Equity Valuation Under Stochastic Interest Rates
This paper presents an equity valuation model that employs risk-neutral valuation under stochastic interest rates along the lines of Ohlson and Feltham (1999). Closed form valuation formulae for equities are presented in a discrete time setting whereby the short term interest rate is modelled by a quadratic term structure model. Earnings are driven by mean reverting return on equity (ROE). The term strcture of interest rates, and in particular the variance of the future short rates, is found to be a primary dterminant of equity value tat has been largely overlooked by the previous equity valuation literature. Equity value decreases in the correlation between the short interest rate and ROE and can be very sensitive to such correlation when the ROE process is very persistent. This suggests that equity value dreceases in the degree of pro-cyclicality of the firm's profitability.
|Date of creation:||Jun 2006|
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- Marco Realdon, 2006.
"Quadratic Term Structure Models in Discrete Time,"
06/01, Department of Economics, University of York.
- Dong-Hyun Ahn & Robert F. Dittmar, 2002. "Quadratic Term Structure Models: Theory and Evidence," Review of Financial Studies, Society for Financial Studies, vol. 15(1), pages 243-288, March.
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- Harrison, J. Michael & Kreps, David M., 1979. "Martingales and arbitrage in multiperiod securities markets," Journal of Economic Theory, Elsevier, vol. 20(3), pages 381-408, June.
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