Glenn A Wolfe, Elizabeth S Cooperman
Journal of Applied Business Research (JABR),Vol. 6, Issue 1, Pages: 40-50.

This study examines the relationship between underpricing for new issues of common stock and issue size (offer price and number of shares) after controlling for an issues risk. Both risk and offer price are found to be significant factors in explaining underpricing. Offer price dominates as an explanatory variable in cold issue markets, while risk dominates in hot issue markets.
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