The Benefits of Adjusting - Estimating the Speed of Adjustment toward a Target Capital Structure on a Cost Basis

55 Pages Posted: 20 Mar 2013 Last revised: 6 Apr 2015

See all articles by Brian J. Clark

Brian J. Clark

Rensselaer Polytechnic Institute (RPI); Office of the Comptroller of the Currency

Date Written: March 2015

Abstract

I estimate the speed of adjustment toward a target capital structure on a cost basis. Whereas other papers test for mean reversion of leverage ratios, I test for mean reversion in the opportunity cost of being away from a target capital structure. The primary benefit of this approach is that the opportunity cost provides a direct link between changes in capital structure and changes in firm value and allows me to quantify the economic benefit of a given speed of adjustment policy as a percent of firm value. The mean firm saves about 3.3% of total assets by following the estimated speed of adjustment policy of 47.3% vis-à-vis a random financing policy. However, firms would not realize any significant gain (less than 0.40% to total assets) by changing their policy from the observed to a policy of complete adjustment. As such, firms appear to be not only adjusting toward optimal capital structures in a meaningful way but also optimizing the speed at which they adjust.

Keywords: capital structure, speed of adjustment, leverage, tax, corporate tax, cost of debt

Suggested Citation

Clark, Brian J., The Benefits of Adjusting - Estimating the Speed of Adjustment toward a Target Capital Structure on a Cost Basis (March 2015). Available at SSRN: https://ssrn.com/abstract=2235264 or http://dx.doi.org/10.2139/ssrn.2235264

Brian J. Clark (Contact Author)

Rensselaer Polytechnic Institute (RPI) ( email )

Troy, NY 12180
United States

Office of the Comptroller of the Currency ( email )

400 7th Street SW
Washington, DC 20219
United States
202-215-6500 (Phone)

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