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Liquidity and Market Crashes
Jennifer C. Huang
University of Texas at Austin - Department of Finance
Jiang Wang
Massachusetts Institute of Technology (MIT) - Sloan School of Management; China Academy of Financial Research (CAFR); National Bureau of Economic Research (NBER)
May 2008
NBER Working Paper No. w14013
Abstract:
In this paper, we develop an equilibrium model for stock market liquidity and its impact on asset prices when constant market presence is costly. We show that even when agents' trading needs are perfectly matched, costly market presence prevents them from synchronizing their trades and hence gives rise to endogenous order imbalances and the need for liquidity. Moreover, the endogenous liquidity need, when it occurs, is characterized by excessive selling of significant magnitudes. Such liquidity-driven selling leads to market crashes in the absence of any aggregate shocks. Finally, we show that illiquidity in the market leads to high expected returns, negative and asymmetric return serial correlation, and a positive relation between trading volume and future returns. We also propose new measures of liquidity based on its asymmetric impact on prices and demonstrate a negative relation between these measures and expected stock returns.
Number of Pages in PDF File: 44
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Date posted: May 26, 2008
Suggested CitationHuang, Jennifer C. and Wang, Jiang, Liquidity and Market Crashes (May 2008). NBER Working Paper No. w14013. Available at SSRN: http://ssrn.com/abstract=1137106
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