The January Effect - A New Piece for an Old Puzzle
28 Pages Posted: 4 Nov 2008
Date Written: October 31, 2008
For decades the finance profession has noticed the tendency of equity prices, most noticeably for small stocks, to rise in value in the month of January. The small stock January effect appears to have been significant over the last thirty five years. However, we demonstrate that even after controlling for both the size of the firm and systematic factors, young firms experience significant and abnormally positive January returns. This age effect has several possible sources, including firm level information uncertainty in January or increased investor demand related to young firms.
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