Adjusted Present Value (APV): Definition, Formula, and Use
Adjusted Present Value (APV) separates a firm’s value into two parts:
– the value if the firm were financed entirely with equity (the unlevered value), and
– the net present value of financing effects (tax shields, subsidies, costs of financial distress, hedging, etc.).
APV is useful when capital structure is expected to change, when financing arrangements are complex (for example in leveraged buyouts), or when tax effects differ across jurisdictions.
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Core idea
- Value the project or firm as if it had no debt (unlevered value).
- Add the present value of benefits from financing (most importantly interest tax shields).
- Subtract the present value of financing costs (expected bankruptcy/financial distress costs, agency costs, etc.).
This decomposition makes it easy to see how much value comes from operations versus financing decisions.
Formula
Adjusted Present Value = Unlevered Firm Value + Net Effect of Debt
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Where Net Effect of Debt = PV(tax shields and other financing benefits) − PV(financing costs)
Common special-case formula for a perpetual, constant debt level:
– PV(tax shield) = Tax rate × Debt (if debt is perpetual and tax shield is discounted at the debt interest rate)
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For finite horizons or varying debt levels, discount each year’s tax shield at an appropriate rate (often the cost of debt) and sum to get PV.
How to calculate APV (step-by-step)
- Project unlevered free cash flows and discount them at the unlevered cost of equity (or unlevered cost of capital) to get the unlevered firm value.
- Estimate annual interest payments from planned debt and compute annual tax shields = Interest × Tax rate.
- Discount those annual tax shields (typically at the cost of debt) to obtain their PV. Estimate and discount potential financial distress costs and other financing-related effects.
- APV = Unlevered firm value + PV(tax shields and other benefits) − PV(financing costs).
Use spreadsheet tools for multi-year projections or complex debt schedules.
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Example
Project cost: $1,000,000
Annual free cash flow (FCF): $200,000 for 10 years
Unlevered cost of equity: 12%
Corporate tax rate: 30%
Debt: $400,000 at 8% interest for 10 years
- Unlevered PV of FCF (annuity at 12%):
- PV(FCF) = 200,000 × (1 − (1 + 0.12)^−10) / 0.12 ≈ $1,130,144
-
Base-case NPV = 1,130,144 − 1,000,000 = $130,144
-
Annual interest = 400,000 × 8% = $32,000
Annual tax shield = 32,000 × 30% = $9,600
Discount tax shield at cost of debt (8%): -
PV(tax shield) = 9,600 × (1 − (1 + 0.08)^−10) / 0.08 ≈ $64,165
-
APV = Base-case NPV + PV(tax shield) = 130,144 + 64,165 = $194,309
This APV > 0 indicates the project is attractive after considering financing benefits. A fuller APV should also consider any PV of expected distress costs.
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APV vs. DCF/WACC and NPV
- Standard DCF/NPV typically discounts levered cash flows using WACC, which embeds financing effects (cost of equity and cost of debt blended together).
- APV values the operating business as unlevered (discounted at unlevered cost of equity) and then explicitly adds/subtracts financing impacts.
- APV is preferable when capital structure changes over time, debt levels are significant or variable, or tax/subsidy effects differ across jurisdictions.
- If capital structure is stable and simple, WACC-based DCF/NPV is often easier and widely accepted; both methods should converge under consistent assumptions.
Advantages and limitations
Advantages
– Transparency: isolates operational value from financing effects.
– Flexibility: easily models changing debt levels, subsidies, or country-specific tax shields.
– Useful for LBOs, project finance, and cross-border valuations.
Limitations
– More inputs and assumptions are required, increasing potential for input error.
– Requires careful choice of discount rates for tax shields and distress costs.
– Slightly more complex to implement than a single WACC-based DCF.
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When to use APV
- Leveraged buyouts and highly leveraged transactions.
- Projects or firms with changing capital structures.
- Cross-border valuations where tax shields vary by jurisdiction.
- Cases requiring explicit analysis of financing decisions (subsidies, hedging, bankruptcy costs).
Practical tips
- For perpetual, constant debt, PV(tax shield) ≈ Tax rate × Debt if discounting at the debt rate.
- Discount tax shields at the debt’s cost if they carry similar risk to the debt.
- Always model expected financial distress costs when debt levels are material.
- Recompute APV under different debt schedules to explore optimal capital structures.
Conclusion
APV is a valuation technique that clarifies how financing choices affect value by separating operational (unlevered) value from financing effects. It is especially valuable in transactions with shifting or complex capital structures, though it requires more detailed assumptions than a standard WACC-based valuation.
Selected references
- Myers, S. C. (1974). “Interactions of Corporate Financing and Investment Decisions—Implications for Capital Budgeting.” The Journal of Finance, 29(1), 1–25.
- Finnerty, J. D. (2013). Project Financing: Asset-Based Financial Engineering. John Wiley & Sons.