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Role of Leverage in Bubbles and Crashes

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  • Hitoshi Matsushima

    (Faculty of Economics, University of Tokyo)

Abstract

This paper investigates the possibility that an unproductive company with limited debt capacity raises huge funds through share issuances by utilizing a small sign of enthusiasm. We generalize the timing game of Matsushima (2012) by permitting arbitrageurs to use high leverage for purchasing the shares. Thanks to this leverage, any arbitrageur has strong incentive to ride the bubble by continuing to purchase them, instead of timing the market quickly. We show that the harmful bubble persists for a long time as the unique Nash equilibrium. Importantly, this result holds even if the underlying positive feedback traders are not very enthusiastic.

Suggested Citation

  • Hitoshi Matsushima, 2012. "Role of Leverage in Bubbles and Crashes," CIRJE F-Series CIRJE-F-859, CIRJE, Faculty of Economics, University of Tokyo.
    • Handle: RePEc:tky:fseres:2012cf859
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    References listed on IDEAS

    as
    1. Malcolm Baker & Jeremy C. Stein & Jeffrey Wurgler, 2003. "When Does the Market Matter? Stock Prices and the Investment of Equity-Dependent Firms," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 118(3), pages 969-1005.
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    6. Matsushima, Hitoshi, 2013. "Behavioral aspects of arbitrageurs in timing games of bubbles and crashes," Journal of Economic Theory, Elsevier, vol. 148(2), pages 858-870.
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    8. Hitoshi Matsushima, 2010. "Financing Harmful Bubbles," KIER Working Papers 711, Kyoto University, Institute of Economic Research.
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