Procyclicality, collateral values and financial stability
This paper analyses how the risk-sharing capacity of the financial system varies over the business cycle, leading to procyclical fragility. We show how financial imperfections contribute to underinsurance by entrepreneurs, generating an externality that leads to the build-up of systematic risk during upturns. Increased asset price uncertainty emerges as a symptom of the sectoral concentration that builds up during booms. The liquidity of the collateral asset is shown to play a key role in amplifying the financial cycle. The welfare costs of financial stability, in terms of the efficiency costs due to financial frictions and the volatility costs due to amplification, are also illustrated.
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- Saint-Paul, G., 1990.
"Technological Choice, Financial Markets and Economic Development,"
DELTA Working Papers
90-30, DELTA (Ecole normale supérieure).
- Saint-Paul, Gilles, 1992. "Technological choice, financial markets and economic development," European Economic Review, Elsevier, vol. 36(4), pages 763-781, May.
- Isabel Schnabel & Hyun Song Shin, 2004. "Liquidity and Contagion: The Crisis of 1763," Journal of the European Economic Association, MIT Press, vol. 2(6), pages 929-968, December.
- Krishnamurthy, Arvind, 2003. "Collateral constraints and the amplification mechanism," Journal of Economic Theory, Elsevier, vol. 111(2), pages 277-292, August.
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