Transaction costs and informational cascades in financial markets: Theory and experimental evidence
We study the effect of transaction costs (e.g., a trading fee or a transaction tax, like the Tobin tax)on the aggregation of private information in financial markets. We analyze a financial market à la Glosten and Milgrom, in which informed and uninformed traders trade in sequence with a market maker. Traders have to pay a cost in order to trade. We show that, eventually, all informed traders decide not to trade, independently of their private information, i.e., an informational cascade occurs. We replicated our financial market in the laboratory. We found that, in the experiment, informational cascades occur when the theory suggests they should. Nevertheless, the ability of the price to aggregate private information is not significantly affected. JEL Classification: C92, D8, G14
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"Bid, ask and transaction prices in a specialist market with heterogeneously informed traders,"
Journal of Financial Economics,
Elsevier, vol. 14(1), pages 71-100, March.
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William Davidson Institute Working Papers Series
322, William Davidson Institute at the University of Michigan.
- Domowitz, Ian & Glen, Jack & Madhavan, Ananth, 2001. "Liquidity, Volatility and Equity Trading Costs across Countries and over Time," International Finance, Wiley Blackwell, vol. 4(2), pages 221-55, Summer.
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- Hirshleifer, David & Teoh, Siew Hong, 2001.
"Herd Behavior and Cascading in Capital Markets: A Review and Synthesis,"
5186, University Library of Munich, Germany.
- David Hirshleifer & Siew Hong Teoh, 2003. "Herd Behaviour and Cascading in Capital Markets: a Review and Synthesis," European Financial Management, European Financial Management Association, vol. 9(1), pages 25-66.
- Marco Cipriani & Antonio Guarino, 2005.
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