Chapte 16 Slides Developed by: Terry Fegarty Seneca College Capital Structure and Leverage Chapter 16 – Outline (1) • Background Capital Structure and Financial Leverage The Central Issue Risk in the Context of Leverage • Financial Leverage Financial Leverage and Financial Risk Putting the Ideas Together—The Effect on Share Price Real Investor Behavior and the Optimal Capital Structure © 2006 by Nelson, a division of Thomson Canada Limited 2 Chapter 16 – Outline (2) Finding the Optimum—A Practical Problem The Target Capital Structure The Degree of Financial Leverage (DFL)—A Measurement • EBIT-EPS Analysis • Operating Leverage Breakeven Analysis The Effect of Operating Leverage The Degree of Operating Leverage (DOL)—A Measurement Comparing Operating and Financial Leverage The Compounding Effect of Operating and Financial Leverage © 2006 by Nelson, a division of Thomson Canada Limited 3 Chapter 16 – Outline (3) • Capital Structure Theory Background—The Value of the Firm The Early Theory by Modigliani and Miller Relaxing the Assumptions—MM Theory with Taxes Relaxing the Assumptions—MM Theory with Taxes and Bankruptcy Costs Other Considerations © 2006 by Nelson, a division of Thomson Canada Limited 4 Capital Structure and Financial Leverage • Capital structure: mix of firm’s debt and common equity Preferred shares treated as part of firm’s debt • Financial leverage: using borrowed money to enhance effectiveness of invested equity Financial leverage of 10% means firm’s capital structure contains 10% debt and 90% equity © 2006 by Nelson, a division of Thomson Canada Limited 5 The Central Issue • Can use of debt increase value of firm’s equity? Specifically, firm’s share price? • Under certain conditions, changing leverage increases share price An optimal capital structure maximizes share price • Relationship between capital structure and share price not precise nor fully understood © 2006 by Nelson, a division of Thomson Canada Limited 6 Risk in the Context of Leverage • Leverage influences share price Alters risk/return relationship in equity investment • Measures of performance Earnings Before Interest and Taxes (EBIT) • Unaffected by leverage because calculated prior to deduction for interest Return on Equity (ROE) • Net Income Shareholders’ Equity Earnings per Share (EPS) • Net Income number of shares • Investors regard EPS as important indicator of future profitability © 2006 by Nelson, a division of Thomson Canada Limited 7 Risk in the Context of Leverage • Leverage-related risk is variation in ROE and EPS • Two components Business risk—variation in EBIT • Influenced by operating leverage—presence of fixed costs Financial risk—additional variation in ROE and EPS from using financial leverage (debt) © 2006 by Nelson, a division of Thomson Canada Limited 8 Figure 16.1: Business and Financial Risk © 2006 by Nelson, a division of Thomson Canada Limited 9 Financial Leverage • Under certain conditions, financial leverage can improve firm’s EPS and ROE If shares are replaced with debt, number of shares and equity are reduced, increasing EPS and ROE May increase share price • However, at other times it may worsen EPS and ROE • Financial leverage increases risk © 2006 by Nelson, a division of Thomson Canada Limited 10 Effect of Increasing Financial Leverage When the Return on Capital Employed Exceeds the Cost of Debt Table 16.1: As the firm’s debt ratio rises, both EPS and ROE rise dramatically. While NI falls, the number of shares outstanding falls at a faster rate as debt replaces equity. © 2006 by Nelson, a division of Thomson Canada Limited 11 Financial Leverage • Return on Capital Employed (ROCE) Measures profitability of operations before financing charges, but after taxes, on basis comparable to ROE ROCE = E B IT 1 - tax rate debt + equity When ROCE more than after-tax cost of debt, more leverage improves ROE and EPS Increase borrowing? When ROCE less than after-tax cost of debt, more leverage makes ROE and EPS worse Avoid borrowing? © 2006 by Nelson, a division of Thomson Canada Limited 12 Table 16.2: Effect of Increasing Financial Leverage When the Cost of Debt Exceeds the Return on Capital Employed ABC is now doing rather poorly—ROE and ROCE are quite low. As the firm adds leverage, EPS and ROE decrease. © 2006 by Nelson, a division of Thomson Canada Limited 13 Example 16.1: Financial Leverage Q: Financial information for the Scanterbury Corporation follows: Scanterbury Corporation at $10M Debt ($000 except for per-share amounts) $23,700 EBIT Debt Example Interest (@12%) EBT Tax (@40%) NI 1,200 $22,500 9,000 Equity $10,000 90,000 Capital $100,000 Number of shares= 9,000,000 $13,500 Share price = $10 ROE = NI equity = $13,500 $90,000 = 15% EPS = Ni number of shares = $13,500 9,000,000 = $1.50 Will borrowing more money and retiring shares raise EPS, and if so what capital structure will achieve an EPS of $2.00? © 2006 by Nelson, a division of Thomson Canada Limited 14 Example 16.1: Financial Leverage A: EPS will rise if ROCE exceeds the after-tax cost of debt. ROCE $23.7 M (1 0.4) 14.2% Example 100.0 M The after-tax cost of debt is 12% x (1 – 0.4), or 7.2%. Since 7.2% < 14.2%, trading equity for debt will increase EPS. Using trial and error, we can determine that $45 million of debt is the approximate amount of debt that makes the firm’s EPS equal $2.00. © 2006 by Nelson, a division of Thomson Canada Limited 15 Financial Leverage— An Alternate Approach Example 16.1: Example A: If we set EPS to $2 we can solve for the value of Debt $2 $23.7M - (.12)(Debt )(1 - .4) $100.0M - Debt $ 10 Debt $45,156,25 0 © 2006 by Nelson, a division of Thomson Canada Limited 16 Financial Leverage and Financial Risk • Financial leverage is a two-edged sword Multiplies good results into great results Multiples bad results into terrible results • Leverage magnifies changes in EBIT into larger changes in ROE and EPS • Financial risk is increased variability in financial results that comes from additional leverage © 2006 by Nelson, a division of Thomson Canada Limited 17 Table 16.3: Financial Leverage and Risk © 2006 by Nelson, a division of Thomson Canada Limited 18 Putting the Ideas Together—The Effect on Share Price • Leverage enhances performance while it adds risk, pushing share prices in opposite directions Enhanced performance makes expected return on shares higher, driving up share’s price Increased risk drives down share’s price • Which effect dominates, and when? © 2006 by Nelson, a division of Thomson Canada Limited 19 Real Investor Behavior and the Optimal Capital Structure • When leverage is low, increase in debt has positive effect on investors • At high debt levels, concerns about risk dominate and adding more debt decreases share’s price • As leverage increases, effect goes from positive to negative, which results in an optimal capital structure © 2006 by Nelson, a division of Thomson Canada Limited 20 The Effect of Leverage on Share Price Figure 16.2: © 2006 by Nelson, a division of Thomson Canada Limited 21 Finding the Optimum—A Practical Problem • No way to determine exact optimum amount of leverage for particular company at particular time Appropriate level tends to vary according to • Nature of company’s business • If firm has high business risk it should use less leverage • Economic climate • If outlook is poor investors are likely to be more sensitive to risk © 2006 by Nelson, a division of Thomson Canada Limited 22 Finding the Optimum—A Practical Problem • General guidelines 1. Profitable firm with little or no debt should probably increase borrowing if interest rates are reasonable 2. For most businesses, optimal capital structure is somewhere between 30% and 50% debt 3. Debt levels above 60% create excessive risk and should be avoided unless cash flows are very stable (for example, those of a public utility) © 2006 by Nelson, a division of Thomson Canada Limited 23 The Target Capital Structure • Firm’s target capital structure is management’s estimate of optimal capital structure An approximation as to amount of debt that will maximize firm’s share price © 2006 by Nelson, a division of Thomson Canada Limited 24 The Degree of Financial Leverage (DFL)—A Measurement • Financial leverage magnifies changes in EBIT into larger changes in ROE and EPS The degree of financial leverage (DFL) relates relative changes in EBIT to relative changes in EPS DFL = % EPS % E B IT o r % E P S = D F L % E B IT Somewhat tedious Easier method of calculating DFL is: DFL = E B IT E B IT - In te re st © 2006 by Nelson, a division of Thomson Canada Limited 25 The Degree of Financial Leverage (DFL)—A Measurement Example 16.2: Q: Selected income statement and capital information for the Mallaig Manufacturing Company follow ($000): Capital Revenue Example Cost/expense EBIT $5,580 4,200 $1,380 Debt Equity Total $1,000 7,000 $8,000 Currently 700,000 common shares are outstanding. The firm pays 15% interest on its debt.. The income tax rate is 40% Management is considering restructuring capital to 50% debt in the hope that the increased EPS will have increase the price of its shares. Mallaig’s shares sell for their book value of $10 per share. Estimate the effect of the proposed restructuring on EPS. Then use the degree of financial leverage to assess the increase in risk involved. © 2006 by Nelson, a division of Thomson Canada Limited 26 The Degree of Financial Leverage (DFL)—A Measurement Example 16.2: A: Current Proposed Capital $1,000 $4,000 7,000 4,000 Total $8,000 $8,000 Shares outstanding 700,000 400,000 Debt Example Equity Current EBIT Interest (15% of debt) EBT Tax (@40%) NI EPS Proposed $1,380 $1,380 150 600 $1,230 $780 492 312 $738 $468 $1.054 $1.170 © 2006 by Nelson, a division of Thomson Canada Limited If business conditions remain unchanged, more debt will result in a higher EPS 27 The Degree of Financial Leverage (DFL)—A Measurement Example 16.2: A: Next, calculate DFL: Example D FL C urrent = D FL P roposed = $1,380 1.12 $1,380 - $150 $1,380 1.77 $1,380 - $600 EPS will be much more volatile under the proposed plan. EPS will change by a factor of 1.77 vs. 1.12. © 2006 by Nelson, a division of Thomson Canada Limited 28 EBIT-EPS Analysis • Managers need way to quantify and analyze tradeoffs between risk and results when changing leverage levels • Analysis provides graphical portrayal of the trade-off Involves graphing EPS as function of EBIT for each leverage level • Portrays results of leverage and helps to decide how much to use © 2006 by Nelson, a division of Thomson Canada Limited 29 Graphical Analysis of EBIT - EPS Debt Financing EPS Advantage to equity financing Equity Financing Advantage to debt financing EBIT Indifference Point © 2006 by Nelson, a division of Thomson Canada Limited 30 Figure 16.3: EBIT – EPS Analysis for ABC Corporation (from Table 13.1, Columns 1 and 2) The indifference point occurs when the two plans offer the same EBIT © 2006 by Nelson, a division of Thomson Canada Limited The 50% Debt and No Leverage lines intersect. At the point of intersection ABC is indifferent between the two plans. To the left of the intersection the 50% Debt plan is preferable. To the right of the point the No Leverage plan is preferable. 31 EBIT-EPS Analysis • Comparing two capital structures, indifference point is level of EBIT where EPS is same under both (E B IT - I )(1- T ) EPS= N um ber of shares Capital Structure A Capital Structure B (E B IT - I )(1- T ) (E B IT - I )(1- T ) = N um ber of shares N um ber of shares Solve for EBIT © 2006 by Nelson, a division of Thomson Canada Limited 32 EBIT-EPS Analysis Example For ABC Corporation: No Leverage 50% Debt (E B IT -$0)(1-0.4) (EBIT -$50,000)(1-0.4) 100,000 = 50,000 EBIT = $100,000 © 2006 by Nelson, a division of Thomson Canada Limited 33 Operating Leverage • Terminology and Definitions Business Risk—Risk in Operations • Defined as variation in EBIT • Most is caused by changes in sales level Fixed and Variable Costs and Cost Structure • Fixed costs don’t change with level of sales, while variable costs do • Fixed costs include rent, amortization, utilities, salaries • Variable costs include direct labour, direct materials, sales commissions • Mix of fixed and variable costs in a firm’s operations is its cost structure © 2006 by Nelson, a division of Thomson Canada Limited 34 Figure 16.4: Fixed, Variable, and Total Cost © 2006 by Nelson, a division of Thomson Canada Limited 35 Operating Leverage • Terminology and Definitions Operating Leverage • Refers to amount of fixed costs in the cost structure • Increases business risk • May combine with financial leverage for very volatile ROE and EPS © 2006 by Nelson, a division of Thomson Canada Limited 36 Breakeven Analysis • Used to determine level of activity firm must achieve to stay in business in long run • Shows mix of fixed and variable cost and volume required for zero profit/loss Profit/loss generally measured by EBIT © 2006 by Nelson, a division of Thomson Canada Limited 37 Breakeven Analysis • Breakeven Diagrams Breakeven occurs at intersection of revenue and total cost • Represents level of sales at which revenue equals cost © 2006 by Nelson, a division of Thomson Canada Limited 38 Figure 16.5: The Breakeven Diagram © 2006 by Nelson, a division of Thomson Canada Limited 39 Breakeven Analysis • The Contribution Margin Every sale makes contribution (Ct) of difference between price (P) and variable cost (V) • Ct = P – V Can be expressed as percentage of revenue • Known as contribution margin (CM) (P -V ) CM = P © 2006 by Nelson, a division of Thomson Canada Limited 40 Example Example 16.3: Breakeven Analysis Q: Suppose a company can make a unit of product for $7 in variable labour and materials, and sell it for $10. What are the contribution and contribution margin? A: The contribution per unit is $3, or $10 - $7, while the contribution margin is $3 $10, or 30%. © 2006 by Nelson, a division of Thomson Canada Limited 41 Breakeven Analysis • Calculating Breakeven Sales Level EBIT is revenue minus cost, or • EBIT = PQ – VQ – FC Breakeven occurs when revenue (PQ) equals total cost (VQ + FC), or Q BE = FC (P -V ) Breakeven tells us how many units have to be sold to contribute enough money to pay for fixed costs Can also be expressed in terms of dollar sales S BE = P (FC ) (P -V ) = FC CM © 2006 by Nelson, a division of Thomson Canada Limited 42 Example Example 16.4: Breakeven Analysis Q: What is the breakeven sales level in units and dollars for a company that can make a unit of product for $7 in variable costs and sell it for $10, if the firm has fixed costs of $1,800 per month? A: The breakeven point in units is $1,800 ($10 - $7) = 600 units. The breakeven point in dollars is $10 per unit times 600 units, or $6,000, which could also be calculated as $1,800 0.30. Thus, the firm must sell 600 units per month to cover fixed costs. © 2006 by Nelson, a division of Thomson Canada Limited 43 The Effect of Operating Leverage • As sales volume moves away from breakeven, profit or loss increases faster with more operating leverage • The Risk Effect More operating leverage leads to larger variations in EBIT, or business risk • The Effect on Expected EBIT Above breakeven, more operating leverage implies higher operating profit • If firm is relatively sure of sales level, should trade variable costs for fixed cost © 2006 by Nelson, a division of Thomson Canada Limited 44 Breakeven at Low Operating Leverage Low Fixed Costs with High Variable Costs Low Breakeven; Profits/Losses Increase Slowly Revenue Dollars Profit Variable Cost Breakeven Quantity © 2006 by Nelson, a division of Thomson Canada Limited Total Cost Fixed Cost Quantity 45 Breakeven at High Operating Leverage High Fixed Costs with Low Variable Costs High Breakeven; Profits/Losses Increase Quickly Revenue Dollars Profit Total Cost Variable Cost Fixed Cost Breakeven Quantity © 2006 by Nelson, a division of Thomson Canada Limited Quantity 46 The Effect of Operating Leverage Example 16.5: Example Q: Suppose Firm A has fixed costs of $1,000 per period, sells its product for $10, and has variable costs of $8 per unit. Further, suppose Firm B has fixed costs of $1,500 and also sells its product for $10 a unit. Both firms are at the same breakeven point. What variable cost must Firm B have if it is to achieve the same breakeven point as Firm A? State the trade-off at the breakeven point. Which structure is preferred if there’s a choice? © 2006 by Nelson, a division of Thomson Canada Limited 47 The Effect of Operating Leverage Example 16.5: Example A: Both firms have a breakeven point of 500 units (Firm A: $1,000 $2). We need to solve the breakeven formula for Firm B’s variable costs per unit: QB/E = FC (P – V) 500 units = $1,500 ($10 – V) V = $7 Change in V = $8 - $7 = $1 Thus, at breakeven, a $1 differential in contribution makes up for a $500 difference in fixed cost. The preferred structure depends on volatility—if sales are expected to be highly volatile, the lower fixed cost structure might be better in the long run. © 2006 by Nelson, a division of Thomson Canada Limited 48 The Degree of Operating Leverage (DOL)—A Measurement • Operating leverage amplifies changes in sales volume into larger changes in EBIT • DOL relates relative changes in volume (Q) to relative changes in EBIT DOL = % E B IT % Q or or Q (P - V ) Q (P - V ) - FC CM E B IT © 2006 by Nelson, a division of Thomson Canada Limited 49 Example 16.6: The Degree of Operating Example Leverage (DOL)—A Measurement Q: The Cowichan Corp. sells its products at an average price of $10. Variable costs are $7 per unit and fixed costs are $600 per month. Evaluate the degree of operating leverage when sales are 5% and then 50% above the breakeven level. A: Breakeven volume = $600 ($10 - $7) = 200 units. Breakeven plus 5% = 200 x 1.05 or 210 units Breakeven plus 50% = 200 x 1.50 or 300 units. DOL at 210 units is: D O L Q =210 = 210($10 - $7) 21 210($10 - $7) - $600 DOL at 300 units is: D O L Q =300 = 300($10 - $7) 3 300($10 - $7) - $600 © 2006 by Nelson, a division of Thomson Canada Limited DOL decreases as the output level increases above breakeven. 50 Comparing Operating and Financial Leverage • Both operating and financial leverage can enhance results while increasing variation Operating leverage magnifies changes in sales into larger changes in EBIT Financial leverage magnifies changes in EBIT into larger changes in ROE and EPS © 2006 by Nelson, a division of Thomson Canada Limited 51 Comparing Operating and Financial Leverage • Both methods substitute fixed cash outflows for variable cash outflows Operating leverage substitutes fixed costs for variable costs in cost structure Financial leverage involves substitutes fixed interest on debt for discretionary dividends on shares in capital structure © 2006 by Nelson, a division of Thomson Canada Limited 52 Comparing Operating and Financial Leverage • Both kinds of leverage increase risks as the levels of leverage increase However, no financial risk if no debt Business risk would still exist even if no operating leverage • Financial leverage is more controllable than operating leverage Debt used at management’s discretion Technology may require fixed costs © 2006 by Nelson, a division of Thomson Canada Limited 53 Figure 16.7: The Similar Functions of Operating and Financial Leverage © 2006 by Nelson, a division of Thomson Canada Limited 54 The Compounding Effect of Operating and Financial Leverage • Effects of financial and operating leverage compound one another • Changes in sales are amplified by operating leverage into larger relative changes in EBIT Which in turn are amplified by financial leverage into still larger relative changes in ROE and EPS Modest changes in sales can lead to dramatic changes in ROE and EPS • The combined effect can be measured using degree of total leverage (DTL) DTL = DOL × DFL © 2006 by Nelson, a division of Thomson Canada Limited 55 Risk and Cost Relationships Between Operating and Financial Leverage Figure 16.8: © 2006 by Nelson, a division of Thomson Canada Limited 56 The Compounding Effect of Operating Leverage and Financial Leverage Type of leverage % Change in Operating Financial Total Sales EBIT Sales © 2006 by Nelson, a division of Thomson Canada Limited Causes a bigger % change in EBIT EPS EPS 57 Degree of Total Leverage % Change in Sales % Change in EBIT DOL DFL % Change in EPS DTL DTL Low High Small EPS change Large EPS change © 2006 by Nelson, a division of Thomson Canada Limited 58 Example 16.7: The Compounding Effect of Operating and Financial Leverage Example Q: The Carragana Company is considering replacing a manual production process with a machine. The money to buy the machine will be borrowed. The firm’s cost structure will be altered in favour of fixed cost. The capital structure will include more debt. Leverage positions with and without the project are: DOL DFL Current 2.0 1.5 Proposed 3.5 2.5 The economic outlook is uncertain and some managers fear a decline in sales of as much as 10% in the coming year. Evaluate the effect of the proposed project on risk in financial performance. © 2006 by Nelson, a division of Thomson Canada Limited 59 Example 16.7: The Compounding Effect Example of Operating and Financial Leverage A: The firm’s current DTL is 2 x 1.5 = 3. A 10% decline in sales could result in a 30% decline in EPS. Under the proposal, the DTL will be 3.5 x 2.5 = 8.75. A 10% drop in sales could lead to a 87.5% drop in EPS. DTL Current Proposed ∆EPS 3 30% 8.75 87.5% © 2006 by Nelson, a division of Thomson Canada Limited 60 Capital Structure Theory • Studies the relationship between: Capital structure • Mix of debt & equity securities in capital Cost of capital • Return demanded by investors • Impacts on value of firm © 2006 by Nelson, a division of Thomson Canada Limited 61 Capital Structure Theory • Does capital structure affect share price and market value of firm? • If so, is there optimal capital structure that: Minimizes firm’s weighted average cost of capital (WACC)? Maximizes share price and value of firm? Or both? © 2006 by Nelson, a division of Thomson Canada Limited 62 Background—The Value of the Firm • Notation Vd = market value of firm’s debt Ve = market value of firm’s shares or equity Vf = market value of firm in total • Vf = Vd + Ve • Investors’ returns on firm’s securities will be kd = return on investment in debt ke = return on investment in equity • Theory begins by assuming a world without taxes or transaction costs Investors’ returns are exactly component capital costs ka = average cost of capital © 2006 by Nelson, a division of Thomson Canada Limited 63 Background—The Value of the Firm • Value (Vf ) is based on cash flow which comes from income (Operating income or OI) Earnings ultimately determine value because all cash flows paid to investors come from earnings Consists of dividends (D) and interest payments (I) (both assumed to be perpetuities) • The firm’s market value is the sum of their present values Vf = I kd + D ke = OI ka Returns drive value in an inverse relationship. © 2006 by Nelson, a division of Thomson Canada Limited 64 Figure 16.10: Variation in Value and Average Return with Capital Structure The value of the firm and the firm’s share price reach a maximum when the average cost of capital is minimized. © 2006 by Nelson, a division of Thomson Canada Limited 65 The Early Theory by Modigliani and Miller • Modigliani & Miller (MM) were the pioneers in developing the theory of capital structure • MM began by assuming perfect capital markets • MM also recognized that debt will always cost less than equity because: Interest is tax deductible Debt securities are less risky than equity securities © 2006 by Nelson, a division of Thomson Canada Limited 66 The Early Theory by Modigliani and Miller • Restrictive Assumptions in the Original Model (1958) No income taxes Securities trade in perfectly efficient capital markets with no transaction costs No bankruptcy costs • No administrative costs • No losses on sale of assets Investors and companies can borrow as much as they want at same interest rate © 2006 by Nelson, a division of Thomson Canada Limited 67 MM’s Two Propositions • Under MM’s initial set of restrictions: • Proposition #1: Market value of firm is independent of capital structure. Therefore, capital structure is irrelevant • The independence hypothesis • Proposition #2: The cost of capital remains constant as capital structure changes. As quantity of debt rises, return demanded by shareholders increases because of increased risk, exactly offsetting benefit due to the lower cost of debt © 2006 by Nelson, a division of Thomson Canada Limited 68 Figure 16.11: The Independence Hypothesis © 2006 by Nelson, a division of Thomson Canada Limited 69 The Early Theory by Modigliani and Miller • The Arbitrage Concept Arbitrage means making profit by buying and selling same thing at same time in two different markets MM proposed that arbitrage by equity investors would hold value of firm constant as debt levels changed • If adding leverage increased value of firm, equity investors could maximize returns by selling shares and borrowing to buy shares in unleveraged firm • Would lower price of leveraged firm and raise price of unleveraged firm • Value of firm should be constant as leverage increases © 2006 by Nelson, a division of Thomson Canada Limited 70 The Early Theory by Modigliani and Miller • The Assumptions and Reality Realistically income taxes exist Realistically costs of bankruptcy are quite large Realistically individuals cannot borrow at the same rate as companies and interest rates usually rise as more money is borrowed • Interpreting MM Result Leverage does affect value because of market imperfections • Such as taxes and transaction costs (including bankruptcy) © 2006 by Nelson, a division of Thomson Canada Limited 71 Relaxing the Assumptions—MM Theory with Taxes • Financing and the Tax System Tax system favours debt financing over equity financing • Interest expense on debt is tax deductible while dividends on shares are not © 2006 by Nelson, a division of Thomson Canada Limited 72 Table 16.4: The Tax System Favours Debt Financing The All Equity firm pays more taxes because it receives no interest expense deduction. Total payments to investors are higher for the leveraged company. © 2006 by Nelson, a division of Thomson Canada Limited 73 Relaxing the Assumptions—MM Theory with Taxes • Including Corporate Taxes in the MM Theory When taxes exist, operating income (OI) split between investors and government • Reduces firm’s value • Amount of reduction depends on firm’s use of leverage (debt) • Interest on debt reduces taxable income which reduces taxes © 2006 by Nelson, a division of Thomson Canada Limited 74 Relaxing the Assumptions—MM Theory with Taxes • Interest provides tax shield that reduces government’s share of firm’s earnings When firm uses debt financing, government’s take is reduced by (corporate tax rate × interest expense) every year • Present value of tax shield = (corporate tax rate × interest expense) kd • Since interest expense is amount of debt (B) times interest rate on debt, equation can be written as P V of tax shield = corporate tax rate x B x k d = TB kd © 2006 by Nelson, a division of Thomson Canada Limited 75 Relaxing the Assumptions—MM Theory with Taxes • Having debt in capital structure increases firm’s value by amount of debt times tax rate • Benefit of debt accrues entirely to shareholders because bond returns are fixed • In theory, firm can increase value of shares by replacing equity with debt © 2006 by Nelson, a division of Thomson Canada Limited 76 Figure 16.12: MM Theory with Taxes In the MM model with taxes, value increases steadily as leverage is added. Thus, the firm’s value is maximized with 100% debt. Note that kd remains constant across all levels of debt. © 2006 by Nelson, a division of Thomson Canada Limited 77 Relaxing the Assumptions—MM Theory with Taxes • If the value of firm increases with debt, should conclusion be that all firms should be financed with 100% debt? • Conclusion defies logic and is counter to customary practice • What are we missing? © 2006 by Nelson, a division of Thomson Canada Limited 78 Relaxing the Assumptions—MM Theory with Taxes and Bankruptcy Costs • As leverage increases past a certain point, probability of bankruptcy failure increases Investors raise required rates of return However, effect on cost of capital offset by growing tax shield • Eventually average cost of capital will be minimized and firm value will be maximized This is optimal capital structure Additional leverage beyond this point increases cost of capital and reduces value © 2006 by Nelson, a division of Thomson Canada Limited 79 MM Theory with Taxes and Bankruptcy Costs Figure 16.13: © 2006 by Nelson, a division of Thomson Canada Limited 80 Other Considerations • Industry effects Firms with stable cash flows tend to have more debt More profitable firms tend to have less debt ratios Market appears to reward firms with capital structures appropriate to their industry © 2006 by Nelson, a division of Thomson Canada Limited 81