Capital Structure, Debt Maturity, and Stochastic Interest Rates

45 Pages Posted: 23 Mar 2005

See all articles by Nengjiu Ju

Nengjiu Ju

Shanghai Jiao Tong University (SJTU) - Shanghai Advanced Institute of Finance (SAIF)

Hui Ou-Yang

Cheung Kong Graduate School of Business

Date Written: March 10, 2004

Abstract

This paper develops a model in which an optimal capital structure and an optimal debt maturity are jointly determined in a stochastic interest rate environment. The model yields leverage ratios that are consistent in spirit with empirical observations. The maturity and the credit spread of an optimally issued debt are found to be smaller than the commonly observed values, indicating that factors not considered in a typical capital structure model play important roles in determining them. It is found that the long-run mean of the short-term interest rate process is a key variable in the determination of both the optimal capital structure and the optimal maturity structure. In addition, the volatility of the interest rate process and the correlation between the interest rate process and the firm's asset value process play important roles in the determination of the debt maturity structure. Our model suggests that the traditional capital structure models with constant interest rates cannot be calibrated directly to explain empirical observations.

Keywords: Optimal Capital Structure, Optimal Debt Maturity, Stochastic Interest Rates

JEL Classification: G30, G32, G33

Suggested Citation

Ju, Nengjiu and Ou-Yang, Hui, Capital Structure, Debt Maturity, and Stochastic Interest Rates (March 10, 2004). Available at SSRN: https://ssrn.com/abstract=687498 or http://dx.doi.org/10.2139/ssrn.687498

Nengjiu Ju

Shanghai Jiao Tong University (SJTU) - Shanghai Advanced Institute of Finance (SAIF) ( email )

Shanghai Jiao Tong University
211 West Huaihai Road
Shanghai, 200030
China

Hui Ou-Yang (Contact Author)

Cheung Kong Graduate School of Business ( email )

Hong Kong
China
852-5199-6227 (Phone)

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