Economic and Statistical Properties of Implementable Trading Strategies
Louisiana State University, Baton Rouge
December 29, 2009
Capital market studies typically report one set of results that tests for both economic and statistical significance. Statistical significance is necessary, but not sufficient, for economic significance, which requires that a trading scheme earns abnormal returns, after information costs, transactions costs, the opportunity cost of capital, and adjustment for risk preferences. Such a strategy must be implementable in real time, not CRSP/Compustat time. Typical research designs are evaluated in the context of economic and statistical properties of implementable trading schemes. Applying the analysis to well known accounting papers suggests that abnormal returns cannot be earned based on publicly available information.
Number of Pages in PDF File: 35
Keywords: Trading profits, Abnormal returns, Transactions costs, Implementable
JEL Classification: G11, G14, M41working papers series
Date posted: December 31, 2009 ; Last revised: February 1, 2010
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