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Real Implications of Bursting Asset Price Bubbles in Economies with Bank Credit

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Abstract

We study the consequences of equity mispricing (a bubble) and the correction thereof (the bubble bursting) for real activity in a production economy. In our model, producers are financed by both bank debt and equity, and face a mix of systemic and idiosyncratic uncertainty. Positive/negative bubbles arise when prior public beliefs about the aggregate productivity of producers (business sentiment) become biased upwards/downwards. Economic activity in equilibrium is influenced by the bubble size in conjunction with agency problems caused by delegation of lending to relationship bankers. We explore the ability of a macroprudential policy instrument (a convex dependence of bank capital requirements on the quantity of uncollateralized credit) to dampen the consequences of a burst bubble. We find that macroprudential policies are more successful in suppressing equity price swings than moderating output fluctuations. At the same time, economic activity recoils substantially with the introduction of a macroprudential instrument, so that its presence is likely to entail tangible welfare costs. In this regard, fine-tuning capital charges as a function of corporate governance on the borrower side (specifically, by discouraging limited liability of borrowing firm managers) would be less costly than placing the full burden of prudential regulation on the lender side.

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Bibliographic Info

Article provided by Charles University Prague, Faculty of Social Sciences in its journal Finance a uver - Czech Journal of Economics and Finance.

Volume (Year): 61 (2011)
Issue (Month): 1 (January)
Pages: 92-116

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Handle: RePEc:fau:fauart:v:61:y:2011:i:1:p:92-116

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Keywords: bank; credit; asset price; bubble; macroprudential policy;

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  1. Aoki, Kosuke & James Proudman & Gertjan Vlieghe, 2003. "House prices, consumption, and monetary policy: a financial accelerator approach," Royal Economic Society Annual Conference 2003 7, Royal Economic Society.
  2. Bernanke, Ben S. & Gertler, Mark & Gilchrist, Simon, 1999. "The financial accelerator in a quantitative business cycle framework," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 21, pages 1341-1393 Elsevier.
  3. Campello, Murillo & Graham, John R. & Harvey, Campbell R., 2010. "The real effects of financial constraints: Evidence from a financial crisis," Journal of Financial Economics, Elsevier, vol. 97(3), pages 470-487, September.
  4. Dell'Ariccia, Giovanni & Marquez, Robert, 2004. "Information and bank credit allocation," Journal of Financial Economics, Elsevier, vol. 72(1), pages 185-214, April.
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Cited by:
  1. Katerina Arnostova & Jozef Barunik & Jan Filacek & Michal Franta & David Havrlant & Roman Horvath & Filip Novotny & Marie Rakova & Lubos Ruzicka & Branislav Saxa & Katerina Smidkova & Peter Toth, 2012. "Macroeconomic Forecasting: Methods, Accuracy and Coordination," Occasional Publications - Edited Volumes, Czech National Bank, Research Department, edition 1, volume 10, number rb10/1 edited by Jan Babecky.
  2. Jan Babecky & Alena Bicakova & Alexis Derviz & Tomas Havranek & Roman Horvath & Lubos Komarek & Zlatuse Komarkova & Jakub Mateju & Ke Pang & Renata Pasalicova & Zuzana Prelcova & Marie Rakova & Pierre, 2011. "Macro-Financial Linkages: Theory and Applications," Occasional Publications - Edited Volumes, Czech National Bank, Research Department, edition 2, volume 9, number rb09/2 edited by Jan Babecky.
  3. Jose Peydro Alcalde & Sona Benecka & Alexis Derviz & Adam Gersl & Tomas Holub & Roman Horvath & Petr Jakubik & Narcisa Liliana Kadlcakova & Dorota Kowalczyk & Ivana Kubicova & Steven Ongena & Jakub Ry, 2012. "Financial Stability and Monetary Policy," Occasional Publications - Edited Volumes, Czech National Bank, Research Department, edition 2, volume 10, number rb10/2 edited by Jan Babecky & Roman Horvath.

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