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Multimarket trading and market liquidity
Authors:Chowhdry  B; Nanda  V
Institution:1 Anderson Graduate School of Management, University of California at Los Angeles, Los Angeles, CA 90024-1481, USA
2 University of Southern California, Southern California, USA
Abstract:When a security trades at multiple locations simultaneously,an informed trader has several avenues in which to exploit hisprivate information. The greater the proportion of liquiditytrading by 'large' traders who can split their trades acrossmarkets, the larger is the correlation between volume in differentmarkets and the smaller is the informativeness of prices. Weshow that one of the markets emerges as the dominant locationfor trading in that security. When informed traders can usetheir information for more than one trading period, the timelyrelease of price information by market informed traders expectto make subsequently at other locations. Markets makers, competingto offer the lowest cost of trading at their location, consequentlydeter informal trading by voluntarily making the price informationpublic and by 'cracking down' on insider trading.
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