The Leveraging of Corporate America: A Long‐Run Perspective on Changes in Capital Structure

11 Pages Posted: 20 Jan 2017

See all articles by John R. Graham

John R. Graham

Duke University; National Bureau of Economic Research (NBER)

Mark T. Leary

Washington University in St. Louis - Olin Business School; National Bureau of Economic Research (NBER)

Michael R. Roberts

The Wharton School - University of Pennsylvania; National Bureau of Economic Research (NBER)

Date Written: Fall 2016

Abstract

In a study published recently in the Journal of Financial Economics, the authors of this article documented a substantial increase in the use of debt financing by U.S. companies over the past century. From 1920 until the mid‐1940s, the aggregate leverage of unregulated U.S. companies was low and stable, with the average debt‐to‐capital ratio staying within the narrow range of 10% to 15%. But during the next 25 years, the use of debt by U.S. companies more than doubled, rising to 35% of total capital. And since 1970, aggregate leverage has remained above 35%, peaking at 47% in 1992. Moreover, this pattern has been observed in companies of all sizes and operating in all unregulated sectors. Changes in the characteristics of U.S. public companies during this period provide little help in explaining the increase in corporate leverage. For example, the displacement of tangible by intangible assets in many sectors of the U.S. economy during the past 50 years would have led most economists to predict, holding all other things equal, a reduction rather than an increase in aggregate corporate leverage. Instead, according to the authors' findings, the main contributors to the increases in U.S. corporate leverage since the 1940s have been external changes, including increases in corporate income tax rates, the development of financial markets and intermediaries, and the reduction in government borrowing in the decades following World War II. The authors' analysis also identifies these last two changes — the development of financial markets, including the rise of institutional investors and shareholder activism, and the post‐War reduction in government debt — as having played the biggest roles in the leveraging of corporate America.

Suggested Citation

Graham, John Robert and Leary, Mark T. and Roberts, Michael R., The Leveraging of Corporate America: A Long‐Run Perspective on Changes in Capital Structure (Fall 2016). Journal of Applied Corporate Finance, Vol. 28, Issue 4, pp. 29-37, 2016, Available at SSRN: https://ssrn.com/abstract=2902372 or http://dx.doi.org/10.1111/jacf.12208

John Robert Graham (Contact Author)

Duke University ( email )

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Mark T. Leary

Washington University in St. Louis - Olin Business School ( email )

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Michael R. Roberts

The Wharton School - University of Pennsylvania; National Bureau of Economic Research (NBER) ( email )

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HOME PAGE: http://finance.wharton.upenn.edu/~mrrobert/

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