Yes, Wall Street, There Is a January Effect! Evidence from Laboratory Auctions
In the first experimental test of the January effect, we find an economically large and statistically significant result in two very different auction environments. After controlling for variables that could influence subjectsÕ bids such as differences in private values, cumulative earnings, and learning effects, the prices in the January markets were systematically higher than those in December. The results suggest that psychological factors may contribute to the well-documented January effect in empirical stock market data, a conclusion that clearly violates the efficient markets hypothesis.
|Date of creation:||28 Mar 2005|
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