Debt Dilution and Debt Overhang Joachim Jungherr Immo Schott This Version: March 2018 (October 2017)
Debt Dilution and Debt Overhang Joachim Jungherr Immo Schott This version: March 2018 (October 2017) Barcelona GSE Working Paper Series Working Paper nº 997 Debt Dilution and Debt Overhang∗ Joachim Jungherr∗∗ Immo Schott∗ ∗ ∗ Institut d’Anàlisi Econòmica Université de Montréal and (CSIC), MOVE, and CIREQ Barcelona GSE This Version: March 2018 First Version: October 2017 Abstract We introduce risky long-term debt (and a maturity choice) to a dynamic model of firm financing and production. This allows us to study two distortions which are absent from standard models of short-term debt: (1.) Debt dilution distorts firms’ choice of debt which has an indirect effect on investment; (2.) Debt overhang directly distorts investment. In a dynamic model of production, leverage, and debt maturity, we show that the two distortions interact to reduce investment, increase leverage, and increase the default rate. We provide empirical evidence from U.S. firms that is consistent with the model predictions. Debt dilution and debt overhang can overturn standard results: A financial reform which increases investment, employment, output, and welfare in a standard model of short-term debt can have the opposite effect in a model with short-term debt and long-term debt. Keywords: investment, capital structure, debt dilution, debt overhang. JEL classifications: E22, E44, G32. ∗ We appreciate helpful comments at different stages of the project by Árpád Ábrahám, Christian Bayer, Gian Luca Clementi, Hal Cole, Simon Gilchrist, Jonathan Heathcote, Christian Hellwig, Andrea Lanteri, Albert Marcet, Ramon Marimon, Claudio Michelacci, Leonardo Martinez, Hannes Müller, Juan Pablo Nicolini, Franck Portier, Dominik Sachs, Lukas Schmid, Martin Schneider, and participants of various seminars and conference presentations.
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