Agribusiness Management · Functional core · also ABM 538, Financial Management I/II (NIAM)
Raising and using money in an agribusiness: investment appraisal, cost of capital, capital structure, dividends, working capital and microfinance models.
In the exams: agribusiness management PhD entrance and fellowship examinations, financial management (heavy); agricultural scientist eligibility tests (heavy)
Financial management is the part of management that decides where a business gets its money, what it spends that money on, and how much it hands back to the people who provided it. In an agribusiness those decisions have a particular shape. Revenue is seasonal and follows the crop or the milk flush; raw material is perishable and bought in bulk at harvest; prices move with weather and world markets; and many of the firms are cooperatives, farmer producer companies or family businesses whose owners want more than the highest share price.
This manual follows the standard corporate finance syllabus taught in agribusiness management programmes worldwide: the finance function and its goals; ratio analysis; the time value of money; risk and return and the capital asset pricing model (CAPM); money and capital markets and the institutions in them; venture capital; international financial management; capital budgeting; the cost of capital and the weighted average cost of capital (WACC); operating and financial leverage; capital structure theories; dividend policy; working capital, receivables and the cash budget; and microfinance models. Every formula is stated in words as well as symbols, and every worked example uses an agribusiness setting. Rates, tax rules and institutions differ by country, and where they do the manual says so rather than picking one.
Financial management is examined in two ways. Postgraduate and research entrance papers (for example India's ICAR AICE-JRF/SRF Agri-Business Management paper and the ASRB NET) ask for the theory by name: who proposed which capital structure or dividend model, what an assumption implies, and short calculations such as degree of leverage, WACC, NPV, the cost of forgoing a cash discount or the economic order quantity. Banking and development-finance officer examinations (NABARD Grade B, RBI Grade B Finance and Management) ask the same calculations with a practitioner's slant and add financial institutions and microfinance.
The finance function covers four linked decisions. The investment decision (capital budgeting) chooses which long-term assets to buy: a cold store, a feed mill line, a tractor fleet, an orchard. The financing decision chooses the mix of debt and equity used to pay for them. The dividend decision chooses how much of each year's profit is paid out and how much is kept for reinvestment. The liquidity or working capital decision manages current assets and current liabilities so the business can pay its bills day to day.
In a large firm the chief financial officer usually oversees two roles. The treasurer handles cash, banking relationships, raising capital, credit and foreign exchange. The controller handles accounting, cost control, budgeting, tax and internal reporting. In a small agribusiness or a farmer producer organisation both roles may sit with one accountant, but both jobs still have to be done. Finance works closely with procurement, which needs cash at harvest, and with marketing, which sets credit terms for dealers.
The textbook goal of a company is maximisation of shareholder wealth, measured by the market value of its shares. Profit maximisation is rejected as the main goal for three reasons: "profit" is ambiguous (accounting profit, operating profit, profit before or after tax); it ignores the timing of returns, so a rupee, dollar or shilling earned in year five counts the same as one earned today; and it ignores risk, so a risky venture with a high expected profit looks better than a safe one. Wealth maximisation deals with all three, because the market price of a share discounts expected cash flows for both time and risk.
Managers are agents of the shareholders, and their interests can differ: managers may prefer size, perquisites or safety to value. This is the agency problem described by Jensen and Meckling (1976). Agency costs include monitoring costs (audits, boards), bonding costs and the residual loss when decisions still depart from what owners want. A second agency conflict runs between shareholders and lenders: shareholders of a highly indebted firm may prefer risky projects because lenders bear much of the downside, which is why loan agreements carry covenants.
In cooperatives and producer companies, members are both owners and suppliers or customers, so the objective is often to maximise the combined benefit of price paid to members plus any patronage refund, not the value of shares that may not trade at all. Family agribusinesses often weigh control and continuity. The analytical tools in this manual still apply; what changes is the objective against which they are judged.
Ratio analysis relates items in the balance sheet and income statement to judge a firm's liquidity, solvency, efficiency and profitability. Liquidity ratios: the current ratio is current assets divided by current liabilities; the quick (acid-test) ratio removes inventories and prepaid expenses from the numerator, because stocks of grain or fertiliser may not be quickly saleable at book value. A current ratio of 2:1 and a quick ratio of 1:1 are traditional rules of thumb, but a seasonal agribusiness can look very different at harvest and in the lean season, so ratios must be compared at the same point in the cycle. Leverage (solvency) ratios: debt-equity ratio, debt to total assets, and interest coverage (earnings before interest and taxes divided by interest). Lenders to agriculture also use the debt service coverage ratio (DSCR), which is cash available for debt service divided by principal plus interest due; banks commonly look for a figure comfortably above 1, the exact norm varying by lender and country.
Activity (turnover) ratios: inventory turnover is cost of goods sold divided by average inventory, and days of inventory is 365 divided by that turnover; debtors turnover is credit sales divided by average receivables, and the average collection period is 365 divided by it; asset turnover is sales divided by total assets. Profitability ratios: gross margin, net profit margin, return on assets (ROA) and return on equity (ROE). The DuPont identity splits ROE into three parts: net profit margin times asset turnover times the equity multiplier (total assets divided by equity).
Money today is worth more than the same amount later, because it can be invested to earn a return, because future receipts are uncertain, and because inflation erodes purchasing power. The future value of a present sum P invested at rate r per period for n periods is FV = P(1 + r)^n. The present value of a future sum is the reverse: PV = FV / (1 + r)^n. The factor 1/(1 + r)^n is the discount factor. With interest compounded m times a year at a nominal annual rate r, FV = P(1 + r/m)^(mn), and the effective annual rate is (1 + r/m)^m - 1. A loan quoted at 12% compounded monthly has an effective annual rate of about 12.68%; with continuous compounding the limit is e^r - 1, about 12.75%. Students lose marks by mixing a monthly rate with an annual period count; always match the rate to the period.
The rule of 72 gives a quick doubling time: 72 divided by the percentage rate. At 8% money doubles in roughly nine years. It is an approximation, most accurate for rates between about 6% and 10%.
An annuity is a series of equal payments at equal intervals. For an ordinary annuity (payments at the end of each period) of amount A for n periods, the present value is A[1 - (1 + r)^(-n)] / r and the future value is A[(1 + r)^n - 1] / r. An annuity due has payments at the start of each period; its value is the ordinary annuity value multiplied by (1 + r). The loan instalment (equated instalment) that repays a principal P over n periods at rate r is A = P r / [1 - (1 + r)^(-n)], known as the capital recovery factor. A flat rate charged on the original principal always understates the true cost of such a loan, because interest is charged on principal already repaid; compare offers by their effective annual rates. A sinking fund is the reverse: the equal deposit needed to accumulate a target sum, A = FV r / [(1 + r)^n - 1].
A perpetuity pays A forever and is worth A / r. A growing perpetuity whose first payment, one period from now, is A and which then grows at g per period is worth A / (r - g), provided r is greater than g. These two formulas underlie the valuation of preference shares and the dividend growth model for equity. A farmer who leases land for a fixed annual rent can value the land, as a first approximation, as the rent divided by the required return; a rent expected to grow with crop prices is valued with the growing perpetuity.
The holding-period return on an asset is the income received plus the change in price, divided by the starting price. When outcomes are uncertain, the expected return is the probability-weighted average of possible returns. Risk is the variability of possible returns around that expectation, measured by the variance (the probability-weighted average of squared deviations) or its square root, the standard deviation. The coefficient of variation, standard deviation divided by expected return, measures risk per unit of return and is the right comparison when two projects have different expected returns.
Investors are generally assumed to be risk-averse: offered two assets with the same expected return, they choose the less risky one, and they demand a higher expected return to hold a riskier one. The extra return is the risk premium. The risk-free rate, usually proxied by the yield on short-term government securities, is the return on an asset with no default risk.
The expected return of a portfolio is the weighted average of the expected returns of its assets. Its risk is not simply the weighted average of their risks, because the assets do not all move together. For two assets with weights w1 and w2, standard deviations s1 and s2 and correlation coefficient p, the portfolio variance is w1^2 s1^2 + w2^2 s2^2 + 2 w1 w2 p s1 s2. When the correlation is below +1, combining assets lowers risk below the weighted average; with a correlation of -1 a riskless combination can in principle be built. This is the result Harry Markowitz set out in 1952, the foundation of modern portfolio theory.
Total risk divides into two parts. Unsystematic (diversifiable, specific) risk comes from events particular to one firm or industry: a disease outbreak on one estate, a plant fire, a lost contract. It can be diversified away by holding many assets. Systematic (non-diversifiable, market) risk comes from economy-wide forces such as interest rates, inflation, recessions and exchange rates, and remains however many assets are held. Because investors can remove unsystematic risk cheaply, markets reward only systematic risk.
Beta measures an asset's systematic risk: the sensitivity of its return to the return on the market portfolio. It equals the covariance of the asset's return with the market's return divided by the variance of the market's return. The market has a beta of 1; an asset with beta 1.5 tends to move 1.5% for every 1% move in the market; a beta below 1 marks a defensive asset.
The capital asset pricing model (CAPM), developed by William Sharpe (1964), John Lintner (1965) and Jan Mossin (1966), states that the required return on an asset equals the risk-free rate plus beta times the market risk premium: k = Rf + beta (Rm - Rf). The graph of required return against beta is the security market line (SML). An asset whose expected return plots above the SML is undervalued (it offers more than its risk requires); one below is overvalued. The capital market line (CML), by contrast, plots expected return against total standard deviation and applies only to efficient portfolios. The model is widely used to estimate the cost of equity despite mixed empirical support; arbitrage pricing theory (Ross, 1976) and multi-factor models are the main alternatives.
Financial markets bring savers and users of funds together. The money market deals in short-term funds, conventionally instruments with maturity up to one year. Its main instruments are treasury bills (short-term government debt issued at a discount and redeemed at face value), commercial paper (short-term unsecured promissory notes issued by creditworthy companies), certificates of deposit (negotiable time deposits issued by banks), call and notice money (very short interbank lending), repurchase agreements or repos (sale of securities with an agreement to buy them back, in effect a collateralised loan), and bankers' acceptances or trade bills. The central bank operates in the money market to implement monetary policy, so money market rates track the policy rate. An agribusiness uses the money market to park surplus cash between seasons or, if it is large and rated, to borrow working capital through commercial paper.
The capital market deals in long-term funds: equity shares, preference shares, bonds and debentures, and long-term loans. It has two parts. In the primary market a firm raises new money, through an initial public offering, a follow-on public offer, a rights issue to existing shareholders or a private placement. In the secondary market existing securities are traded among investors on stock exchanges or over the counter; the firm receives no new money, but the secondary market gives investors liquidity and sets the prices that tell the firm what its capital costs. Market efficiency, in the sense of Eugene Fama's efficient market hypothesis, is described in three forms: weak (prices reflect past prices), semi-strong (all public information) and strong (all information, including private).
Financial intermediaries stand between savers and borrowers. They transform maturity (short-term deposits into long-term loans), pool risk, reduce transaction and information costs, and provide payment services. Commercial banks take deposits and lend, mostly short and medium term. Cooperative banks and credit unions are owned by their members and are historically important in rural lending in many countries. Development finance institutions provide long-term and concessional finance for sectors markets under-serve; in agriculture these include apex bodies such as India's National Bank for Agriculture and Rural Development (NABARD, set up in 1982), which refinances banks' rural lending and supports rural infrastructure, and the Farm Credit System in the United States, a nationwide network of borrower-owned lending cooperatives created by federal law and regulated as a government-sponsored enterprise.
Non-bank financial companies lend without taking demand deposits in most jurisdictions, and include equipment and vehicle financiers, microfinance institutions and leasing companies. Insurance companies and pension funds are long-term investors in the capital market. Multilateral lenders (the World Bank group, regional development banks and the International Fund for Agricultural Development) finance agricultural and rural projects, usually through governments. For an agribusiness, the choice of institution follows the need: seasonal working capital from a bank or cooperative lender, equipment through a lease or term loan, a new processing plant through a term loan plus equity, and early-stage technology through venture capital.
Venture capital (VC) is equity or equity-linked finance for young, unlisted firms with high growth potential and high risk, usually built on new technology or a new business model. The VC fund raises money from limited partners (pension funds, endowments, insurers, wealthy individuals, development finance institutions) and is managed by a general partner, who is paid a management fee and a share of profits called carried interest. A fund typically has a fixed life, commonly about ten years, so every investment must reach an exit within that window.
VC differs from bank lending in almost every respect. The investor takes equity rather than a claim to fixed interest, expects most investments to fail or return little and a few to return many times the capital, takes a board seat and gives active advice, and earns its return on exit, not from dividends. Angel investors often come before institutional VC; private equity usually means later-stage investment, including buyouts.
Textbooks describe the stages of financing in slightly different words, but the sequence is standard. Seed capital funds proof of concept: research, a prototype, a first market test. Start-up finance funds product development and initial marketing for a firm that is organised but has not sold commercially. Early-stage or first-stage finance funds the start of commercial manufacturing and sales. Expansion or second- and third-stage finance funds working capital, capacity and market growth for a firm with sales that may not yet be profitable. Mezzanine or bridge finance funds a firm close to an initial public offering or sale, often with a mix of debt and equity features. Buyout finance funds the purchase of a business by its management (management buyout) or by outside managers (management buy-in). Risk and the investor's required return fall as the firm moves through these stages, while the amount invested rises.
Venture rounds are often labelled seed, Series A, Series B and so on. The key arithmetic is valuation: post-money valuation equals pre-money valuation plus the new investment, and the investor's ownership equals the investment divided by the post-money valuation. If a farm-software firm valued at 8 million before a round raises 2 million, its post-money value is 10 million and the new investor owns 20%.
The VC investor exits by an initial public offering, a trade sale to a strategic buyer (for an agtech firm, often an established input, machinery or food company), a secondary sale to another fund, a buyback by the promoters, or, for failures, liquidation.
VC appraisal relies less on historical accounts, which a young firm does not have, and more on the team, the size of the market, the technology and its protection, and the route to exit. The "venture capital method" estimates the firm's value at exit, discounts it at a very high target rate (reflecting the high failure rate), and sets the required ownership stake as the investment divided by that discounted value. Agricultural ventures face particular hurdles: long field-trial and regulatory cycles for biological products, slow adoption by farmers, seasonality that allows only one test per year, and thin margins in the farm sector. These lengthen the time to exit and are one reason agtech attracts specialist funds and development-finance co-investors.
An agribusiness that exports coffee, imports fertiliser, borrows in a foreign currency or owns a subsidiary abroad is exposed to exchange rates. The spot rate is the price of one currency in another for immediate delivery (settlement normally within two business days); the forward rate is the rate agreed today for delivery on a future date. A currency is at a forward premium if its forward price is higher than its spot price, and at a forward discount if lower. Quotes can be direct (units of home currency per unit of foreign) or indirect (units of foreign per unit of home); a common source of error is inverting the quote.
Three parity relations link exchange rates, prices and interest rates. Purchasing power parity (PPP) holds, in its relative form, that the currency of the country with higher inflation depreciates by roughly the inflation differential. Interest rate parity (IRP) holds that the forward premium or discount equals the interest rate differential, so that covered investment earns the same in either currency: F / S = (1 + i_home) / (1 + i_foreign), with the rates for the same period and the rates quoted in home currency per unit of foreign. If this equality fails, covered interest arbitrage earns a riskless profit until it is restored. The international Fisher effect holds that the expected change in the spot rate equals the interest rate differential.
Transaction exposure is the risk that the home-currency value of a contracted foreign-currency receipt or payment changes before it is settled: an exporter who has sold 500 tonnes of spice for payment in dollars in ninety days. Translation (accounting) exposure is the change in reported values when a foreign subsidiary's accounts are converted into the parent's currency. Economic (operating) exposure is the change in the present value of future cash flows from unexpected exchange rate changes, including the effect on competitiveness: a domestic dairy that sells only at home can still lose if a stronger home currency lets imported milk powder undercut it. Economic exposure is the hardest to measure and the most important over the long run.
Transaction exposure can be hedged in several ways. A forward contract locks the rate for a future date; it removes both loss and gain. A money market hedge replicates the forward: an exporter expecting foreign currency borrows the present value of that amount in the foreign currency, converts it at spot and invests at home, then repays the foreign loan with the receipt. Currency futures are standardised exchange-traded forwards with daily settlement. Currency options give the right but not the obligation to buy (call) or sell (put) at a set rate, for a premium; they protect against loss while keeping the gain. Natural hedges match foreign-currency revenue with foreign-currency costs or debt; leading and lagging adjust payment timing; invoicing in home currency shifts the risk to the counterparty. Which instruments are available, and to whom, depends on each country's foreign exchange rules.
For international capital budgeting, cash flows can be forecast in the foreign currency and discounted at a foreign-currency rate and the result converted at spot, or converted to home currency at expected future rates and discounted at the home rate; done consistently, the two give the same answer. Added risks include political risk (expropriation, blocked remittances, sudden export bans on food commodities) and differences in tax.
Capital budgeting evaluates long-term investments. The analysis uses incremental after-tax cash flows, not accounting profit. Include the initial outlay (equipment, installation, commissioning), any increase in net working capital (for a new rice-bran oil unit, the stock of bran and the receivables it will carry), operating cash flows over the life, and the terminal cash flow (after-tax salvage value plus recovery of working capital). Exclude sunk costs, such as a feasibility study already paid for. Include opportunity costs, such as the rent a company's own vacant warehouse could earn if not used for the project. Include side effects on existing products. Exclude financing costs (interest) from the cash flows, because the cost of finance is already in the discount rate; counting interest in both places is a classic error.
Operating cash flow can be written as (revenue - cash costs - depreciation)(1 - t) + depreciation, or equivalently (revenue - cash costs)(1 - t) + t x depreciation. The last term is the depreciation tax shield: depreciation is not a cash outflow but reduces tax. Tax rules on depreciation differ by country, so the shield is always computed under the rules that apply.
The payback period is the time taken to recover the initial outlay from cash inflows. It is simple and favours liquidity, which matters to cash-strapped firms, but it ignores the time value of money and all cash flows after payback. Discounted payback fixes the first flaw but not the second. The accounting rate of return (ARR) is average accounting profit divided by average (or initial) investment; it uses profit, not cash, and ignores timing.
Net present value (NPV) is the present value of all cash flows discounted at the cost of capital, minus the initial outlay. Accept a project if NPV is positive: it adds that much to the owners' wealth. The internal rate of return (IRR) is the discount rate at which NPV is zero; accept if IRR exceeds the cost of capital. The profitability index (PI), also called the benefit-cost ratio, is the present value of inflows divided by the initial outlay; accept if it exceeds 1. For a single conventional project (an outflow followed by inflows), NPV, IRR and PI always give the same accept-or-reject decision. The modified IRR (MIRR) compounds the inflows forward at the cost of capital to a terminal value and finds the rate that equates it with the outlay; it avoids the unrealistic reinvestment assumption of IRR and gives a single answer.
NPV and IRR can rank mutually exclusive projects differently when they differ in scale or in the timing of cash flows. NPV is preferred, because it measures the absolute increase in wealth and assumes reinvestment at the cost of capital, which is more realistic than IRR's implicit reinvestment at the IRR itself. The crossover rate, where two projects' NPV profiles intersect, is the IRR of the difference between their cash flows. Unconventional cash flows (for example a large decommissioning cost at the end of a mine or a replant cost in the middle of a plantation's life) can produce more than one IRR, or none. Projects with unequal lives are compared by the equivalent annual annuity (NPV divided by the annuity factor for the life) or by replacement chains.
Under capital rationing, when funds are limited, choose the combination of projects with the highest total NPV within the budget; with divisible projects this means ranking by PI. Risk is handled by sensitivity analysis (changing one variable at a time, such as yield, price or capacity use), scenario analysis (changing several together), break-even analysis, simulation, decision trees, a risk-adjusted discount rate, or the certainty-equivalent method, which converts each uncertain cash flow into the certain amount the investor would accept and discounts at the risk-free rate.
The cost of capital is the minimum return a firm must earn on its investments to keep the value of the firm unchanged; it is the discount rate for NPV and the hurdle rate for IRR. It is an opportunity cost: the return investors could earn elsewhere on an investment of the same risk. Each source of long-term funds has its own cost, and the firm's overall cost is their weighted average. The costs are always measured as the rate that the firm must pay, net of flotation costs and, for debt, net of the tax saving on interest.
Cost of debt. For a loan, the before-tax cost is the interest rate; for a bond, it is the yield to maturity, the rate that equates the net issue price with the present value of interest and principal. Because interest is deductible for tax in most tax systems, the after-tax cost is kd = i(1 - t). An approximate formula for a bond is [I + (F - P)/n] / [(F + P)/2], where I is annual interest, F face value, P net proceeds and n years to maturity.
Cost of preference capital. Preference dividends are paid from after-tax profit, so there is no tax adjustment. For irredeemable preference shares kp = D / P, where P is the net issue price; for redeemable shares the yield method is used, as for bonds.
Cost of equity. Two methods dominate. The dividend growth (Gordon) model gives ke = D1 / P0 + g, where D1 is next year's expected dividend, P0 the current price and g the constant growth rate. For new equity, P0 is replaced by net proceeds after flotation costs, so new equity costs more than retained earnings. The CAPM gives ke = Rf + beta (Rm - Rf). A third, rougher method adds a risk premium to the firm's own bond yield. Retained earnings are not free: they belong to shareholders, who could have invested them elsewhere, so their cost is the cost of equity (without flotation cost, and in some textbook treatments adjusted for shareholders' personal taxes and brokerage).
The weighted average cost of capital is WACC = wd kd(1 - t) + wp kp + we ke, where the weights are the proportions of each source in the firm's financing. Market value weights are preferred in theory, because they reflect what investors could get today; book value weights are simpler and stable; target weights reflect the mix the firm plans to use. The WACC is the right discount rate only for projects with the same business risk as the firm's existing activities and financed with the same mix. A dairy firm evaluating a speculative venture into branded plant-based drinks should use a rate reflecting the new venture's risk, often by taking the beta of firms already in that business and adjusting it for leverage.
The marginal cost of capital is the cost of the next unit of new capital. It rises in steps as the firm exhausts cheap sources: when retained earnings run out and new equity must be issued with flotation costs, or when additional debt carries a higher rate. The break point is the total new financing at which a source's cost changes, equal to the amount of the cheaper source available divided by its weight in the capital structure. The optimal capital budget is found where the investment opportunity schedule (projects ranked by IRR) meets the marginal cost of capital schedule.
Cooperatives pose a practical problem: member equity often earns no market return and cannot be sold, yet it is not costless, because members give up returns elsewhere. Analysts usually impute a cost at least equal to what members could earn on comparable-risk investments.
Leverage is the use of fixed costs to magnify the effect of a change in one variable on another. Operating leverage arises from fixed operating costs: rent, salaried staff, depreciation on plant. The degree of operating leverage (DOL) is the percentage change in earnings before interest and tax (EBIT) for a one-percent change in sales. At a given level of output it equals contribution divided by EBIT, where contribution is sales minus variable costs. A cold storage or a large grain silo, with high fixed costs and low variable costs, has a high DOL: small changes in utilisation swing profits sharply. A commodity trader who owns little and buys and sells on commission has low operating leverage. DOL is highest close to the operating break-even point (where EBIT is zero) and falls as sales rise above it. Operating break-even in units is fixed costs divided by contribution per unit. Firms can lower operating leverage by renting rather than owning storage, or by paying some staff by results.
Financial leverage arises from fixed financing charges: interest on debt and preference dividends. The degree of financial leverage (DFL) is the percentage change in earnings per share (EPS) for a one-percent change in EBIT. It equals EBIT divided by (EBIT - interest), and with preference shares EBIT / [EBIT - I - Dp/(1 - t)], because preference dividends are paid from after-tax profit and must be grossed up to a pre-tax equivalent. Financial leverage raises the return to shareholders when the return on assets exceeds the cost of debt ("trading on equity") and lowers it when the reverse is true. The degree of combined (total) leverage (DCL) is DOL times DFL, which equals contribution divided by (EBIT - interest); it gives the percentage change in EPS for a one-percent change in sales.
A firm with high operating leverage is usually advised to keep financial leverage moderate, because combining the two makes EPS extremely sensitive to sales; agribusinesses whose sales volume depends on the harvest are a case in point.
EBIT-EPS analysis compares financing plans by the EPS each gives at different levels of EBIT. EPS = (EBIT - I)(1 - t) - Dp, all divided by the number of shares. The indifference point is the EBIT at which two plans give the same EPS; it is found by setting the EPS expressions equal and solving. Above the indifference point the more debt-heavy plan gives higher EPS; below it, the equity plan does. The financial break-even point is the EBIT at which EPS is zero, I + Dp/(1 - t). EBIT-EPS analysis ignores risk and the effect of leverage on the share price, so it is a starting point, not the answer; it is supplemented by coverage ratios, cash-flow analysis of debt capacity, and the capital structure theories of the next chapter.
Capital structure is the mix of long-term debt and equity. The question is whether that mix changes the value of the firm and its overall cost of capital. David Durand (1952) set out two extreme positions. The net income (NI) approach assumes the cost of debt and the cost of equity both stay constant as leverage rises; because debt is cheaper, adding debt lowers the overall cost of capital and raises firm value continuously, so the optimum is (almost) all debt. The net operating income (NOI) approach assumes the overall cost of capital is constant whatever the mix; as cheap debt is added, the cost of equity rises exactly enough to offset it, so value is independent of capital structure and there is no optimum. The traditional approach sits between: moderate debt lowers the overall cost of capital because the cost of equity at first rises slowly, but beyond some point both the cost of equity and the cost of debt rise steeply, so there is an optimal capital structure where WACC is lowest and value highest.
Franco Modigliani and Merton Miller (1958) proved the NOI conclusion under perfect-market assumptions: no taxes, no transaction or bankruptcy costs, investors can borrow on the same terms as firms, and firms in the same risk class. Proposition I: the value of a levered firm equals that of an identical unlevered firm; capital structure is irrelevant. The proof is arbitrage: if the levered firm were worth more, investors would sell its shares and replicate its payoff by borrowing personally ("homemade leverage") to buy the unlevered firm's shares, earning the same income for less money. Proposition II: the cost of equity rises linearly with the debt-equity ratio, ke = ko + (ko - kd)(D/E), so the benefit of cheap debt is exactly offset.
In 1963 Modigliani and Miller corrected the model for corporate tax. Interest is deductible, so debt creates a tax shield; the value of the levered firm is VL = VU + tD, where tD is the present value of the tax shield on permanent debt. Taken literally, this implies firms should be almost entirely debt-financed. Merton Miller (1977) added personal taxes and showed that when investors pay more tax on interest income than on equity income, the net advantage of corporate debt is reduced, and in his equilibrium may disappear.
Real firms are not all-debt, and later theories explain why. The static trade-off theory holds that firms balance the tax benefit of debt against the expected costs of financial distress: direct bankruptcy costs, lost customers and suppliers, managers' distraction, and underinvestment. Firms with safe, tangible assets (land, warehouses, processing plants) can carry more debt; firms whose value lies in intangible growth opportunities (a breeding pipeline, a technology platform) should carry less. Agribusinesses with volatile cash flows, exposed to weather and price risk, face higher distress costs at any given debt level.
The pecking order theory of Stewart Myers and Nicolas Majluf (1984) rests on information asymmetry: managers know more than outside investors, so issuing equity signals that managers think the shares are overvalued. Firms therefore prefer internal funds first, then debt, then, as a last resort, new equity. It explains why profitable firms often borrow little. Signalling theory (associated with Stephen Ross, 1977) holds that taking on debt signals confidence in future cash flows. Agency theory adds that debt disciplines managers by committing free cash flow to interest payments (Michael Jensen, 1986), while too much debt creates conflicts between shareholders and lenders.
The dividend decision splits after-tax earnings between payment to shareholders and retention for reinvestment. Two classic models hold that dividend policy affects share value. James Walter's model assumes all financing is from retained earnings, the firm's return on investment r and cost of capital k are constant, and the firm has an infinite life. The share price is P = [D + (r/k)(E - D)] / k, where E is earnings per share and D dividend per share. If r exceeds k (a growth firm) the price is highest with zero payout; if r is less than k (a declining firm) it is highest with 100% payout; if r equals k (a normal firm) payout does not matter.
Myron Gordon's model uses the dividend growth formula with growth coming from retention: g = br, where b is the retention ratio. The price is P = E(1 - b) / (k - br). Its conclusions under certainty match Walter's. Gordon's further argument, the "bird-in-the-hand" view, is that investors are risk-averse and value a certain dividend today more than uncertain future gains, so the discount rate rises with retention and dividends matter even when r equals k.
Modigliani and Miller (1961) argued that in perfect capital markets, with no taxes, no transaction or flotation costs, and a fixed investment policy, dividend policy does not affect firm value. Value is set by the firm's investment decisions and the earning power of its assets. If a firm pays more dividends it must raise more outside equity to fund its investments; the fall in the value of existing shares exactly offsets the dividend received. Shareholders who want cash can sell shares ("homemade dividends"); those who do not can reinvest dividends. In practice taxes, flotation costs and unequal information weaken the result.
John Lintner (1956) surveyed US managers and found that they set a long-run target payout ratio, move dividends towards it only gradually, and are reluctant to cut dividends. His model is Dt - Dt-1 = a + c(pEt - Dt-1), where p is the target payout and c the speed of adjustment. The result is smoothed dividends. Signalling theory explains why: a dividend increase signals management's confidence in lasting earnings, and a cut is read as bad news. The clientele effect holds that investors sort themselves according to their tax position and need for cash, so a firm attracts shareholders who like its policy and should not change it lightly. The residual dividend policy pays out only what is left after funding all positive-NPV projects at the target capital structure.
Other forms of distribution include bonus issues (stock dividends), which capitalise reserves into new shares without paying cash; stock splits, which reduce the face value and increase the number of shares; and share buybacks, which return cash and may be taxed differently from dividends. Cooperatives distribute surplus mainly as patronage refunds in proportion to each member's business with the cooperative, and pay limited interest on share capital, following the cooperative principles; the rules differ by country's cooperative law.
Gross working capital is total current assets; net working capital is current assets minus current liabilities. The operating cycle is the time from buying raw material to collecting cash from the sale of finished goods: inventory conversion period plus receivables collection period. The cash conversion cycle subtracts the payables deferral period: inventory days plus receivables days minus payables days. A sugar mill that crushes cane for four to six months and sells sugar through the year, or a cotton ginner who buys at harvest and sells lint over months, carries a long cycle and large seasonal working capital; a dairy that sells daily but pays farmers every ten or fifteen days may even run a short or negative cycle.
Working capital has a permanent part, the minimum level carried all year, and a temporary or seasonal part. Under the matching (hedging) approach, permanent current assets and fixed assets are financed with long-term funds and seasonal needs with short-term loans. The conservative approach uses long-term funds for part of the seasonal need too, which is safer but costlier. The aggressive approach finances part of the permanent need with short-term debt, which is cheaper but carries refinancing risk. The choice is a trade-off between profitability and liquidity.
The economic order quantity (EOQ) balances ordering cost against carrying cost: EOQ = square root of (2AO / C), where A is annual demand in units, O is the cost per order and C the carrying cost per unit per year. Total inventory cost is minimum where annual ordering cost equals annual carrying cost. The reorder level is lead-time demand plus safety stock. For agricultural raw material bought mainly at harvest, EOQ logic applies to inputs and packaging more than to the crop itself, whose purchase is dictated by the season; the carrying cost of stored grain includes interest, storage charges, insurance and quality loss.
Firms hold cash for transactions, precaution and speculation, the three motives in Keynes's analysis. The Baumol (1952) model treats cash like inventory: the optimal amount to raise each time by selling securities is C* = square root of (2bT / i), where T is total cash needed in the period, b the fixed cost per transaction and i the interest rate on securities. The Miller-Orr (1966) model allows random cash flows: the firm sets a lower limit L, a return point Z = L + (3bs^2 / 4i)^(1/3), where s^2 is the variance of daily cash flows and i the daily interest rate, and an upper limit H = 3Z - 2L; when cash hits H it buys securities to return to Z, and when it hits L it sells securities to return to Z.
Credit sales raise sales but tie up funds, add collection cost and risk bad debts. Credit policy has four elements: credit standards (who gets credit), credit period, cash discount, and collection effort. A change in policy is evaluated by comparing the extra contribution from additional sales with the cost of the extra investment in receivables (the average receivables times the variable cost ratio times the required return), extra bad debts and extra collection and discount costs. Credit standards are judged with the five Cs: character, capacity, capital, collateral and conditions.
A term such as 2/10 net 30 means a 2% discount if paid within ten days, otherwise the full amount in thirty. The buyer who forgoes the discount is in effect borrowing for twenty days at an annual cost of (2/98) x (365/20), about 37%, or about 45% on an effective compound basis. This is why agribusinesses offered dealer discounts usually take them if they can borrow for less. Receivables can also be financed through factoring (selling receivables to a factor, with or without recourse), invoice discounting, or trade receivables platforms where a country has them. Monitoring uses the average collection period, the ageing schedule (receivables grouped by how long they are overdue), and the collection pattern.
The cash budget forecasts cash receipts and payments period by period, usually monthly, to show when the firm will have a surplus or a shortfall. Receipts come from cash sales, collections of credit sales (using the expected collection pattern, for example 40% in the month of sale and 60% the next month), asset sales and new financing. Payments include purchases paid on the credit terms of suppliers, wages, overheads, capital expenditure, taxes, interest, loan repayments and dividends. Depreciation is excluded because it is not a cash payment. Opening balance plus receipts minus payments gives the closing balance; comparing it with the desired minimum balance shows how much to borrow or invest. For a seed company or an input dealer, the budget will show heavy outflows before the sowing season and heavy inflows after it; banks size seasonal credit limits from exactly this kind of budget. A rolling budget, updated each month as actual figures arrive, is more useful than a single annual forecast.
Microfinance provides small loans, savings, insurance and payment services to people who are excluded from formal banking because they lack collateral, credit history or proximity to a branch, and because small loans are costly to appraise. The central problems of rural lending are information asymmetry (the lender cannot easily tell a careful borrower from a careless one, or monitor how the loan is used) and weak enforcement (little collateral to seize). Group lending tackles both. Members who know each other select one another (reducing adverse selection), watch one another (reducing moral hazard), and press one another to repay; in joint-liability designs, the group is liable for each member's loan. Frequent small repayments, progressive loan sizes for good repayers and savings requirements reinforce discipline. Critics note that group pressure can be harsh, that very high interest rates and multiple borrowing can create over-indebtedness, and that the effect of microcredit on household income is modest in many randomised evaluations; savings and insurance services are increasingly emphasised alongside credit.
The Grameen Bank model was developed by Muhammad Yunus in Bangladesh, starting as an action-research project in 1976 and becoming a bank in 1983; Yunus and the Grameen Bank shared the Nobel Peace Prize in 2006. In the classic design, borrowers, mostly women, form groups of five; several groups form a centre that meets weekly with a bank worker; loans are given first to two members, then to others as repayment proves reliable; repayment is in small weekly instalments; and no collateral is taken. The revised Grameen design introduced from around 2001 made loan products more flexible. Grameen-type replication has spread to many countries.
A joint liability group (JLG) is a small informal group, typically of four to ten members in the Indian design promoted by NABARD, of people engaged in similar activity (for example tenant farmers or oral lessees who lack land titles) who borrow individually or together and give a joint undertaking for repayment. JLGs are aimed at farmers who need larger, activity-specific loans than an SHG can handle, and the group guarantee substitutes for collateral.
A self-help group (SHG) is a group, usually of ten to twenty people and often women, who save regularly, pool their savings, lend to members from that pool, and after a period of stable operation are linked to a bank for loans. India's SHG-Bank Linkage Programme was launched by NABARD as a pilot in 1992 and became one of the world's largest microfinance programmes.
A credit union is a member-owned financial cooperative whose members share a common bond (a community, workplace or association). Members save, and loans are made to members from those savings; each member has one vote. The model traces to nineteenth-century Germany, where Friedrich Wilhelm Raiffeisen organised rural credit cooperatives and Hermann Schulze-Delitzsch urban ones, and it is now widespread in North America, Africa, the Caribbean and parts of Asia. Cooperative credit more broadly includes multi-tier structures of primary agricultural credit societies, district and state cooperative banks, lending mainly short-term crop credit to members.
Village banking, usually credited to John Hatch working in Bolivia in the mid-1980s, organises a larger community group of roughly twenty to fifty members, mostly women, who manage the group's own affairs; an external agency provides initial loan capital, members save, and over time the group's own savings fund an internal account that makes loans. Across all models, the practical questions are cost of delivery, interest rate transparency, over-indebtedness, and regulation, which differs greatly by country.
A student needs to handle the formulas quickly and know which theory belongs to whom. Before an entrance or fellowship exam, practise twenty short calculations a day: effective annual rates, annuity instalments, NPV and IRR by trial, WACC with after-tax debt, DOL, DFL and DCL, EBIT-EPS indifference points, EOQ, the Baumol cash balance, and the cost of forgoing a cash discount. Learn the assumptions behind Walter, Gordon and MM, because examiners ask which assumption produces which result. In case work, always state the decision rule (accept if NPV is positive) and the reason, and check units: annual against monthly rates, and per-share against total figures.
Five years into a job in an agribusiness firm, a producer company or a rural bank, the finance tools become daily work. An analyst prepares the monthly cash budget and seasonal borrowing plan for a mill or input dealer, appraises a new cold store or packhouse by NPV with sensitivity to capacity use and raw material price, computes the WACC used as the company hurdle rate, and tracks the cash conversion cycle against dealer credit and farmer payment terms. A bank officer assesses DSCR, current ratio and the realism of projected cash flows before sanctioning term and working capital limits, and supervises SHG and JLG portfolios.
A finance director or bank general manager with twenty-five years of experience decides capital structure and dividend policy for a group, negotiates with lenders and equity investors, and sets the risk appetite for commodity, currency and interest rate exposure. They choose between expanding through debt, new equity or strategic partners; decide whether a cooperative should convert or raise outside capital; set the hurdle rates for divisions of different risk; and judge when to hedge an export book. They also carry the governance load: covenant compliance, board reporting and the agency problems between managers, members and lenders.
A researcher with long field experience tests whether textbook finance holds in agribusiness: whether cooperatives underinvest because member equity is illiquid, how farm and agribusiness firms choose capital structure under weather and price risk, how credit constraints affect technology adoption, whether group lending lowers default or merely shifts risk to peers, and how exchange rate exposure affects food exporters. Methods include panel econometrics on firm accounts, event studies, randomised evaluations of microfinance products and structural models of investment under uncertainty, including real options for irreversible investments such as orchards and processing plants.
The manual gives the standard corporate-finance theory with agribusiness examples but does not yet include country-specific tax rules for depreciation or dividends, current interest rates, or current regulatory limits for microfinance lenders, all of which change often and differ by country. Real options, lease-versus-buy analysis, mergers and acquisitions, and derivatives beyond currency hedging are mentioned only briefly or not at all; commodity futures are covered in the separate commodity markets subject. Worked numerical examples are kept short because tables are not yet supported; the question bank carries the full calculations.
Original practice questions written to the syllabus and pattern of the exams named in each question's examTags. They are not past papers and do not reproduce any board's questions. Every numerical answer was computed by script before it was written.
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