Suggests a model to explain underpricing at the IPO by high-quality firms as a signal to investors at the expense of low-quality firms. In contrast to Rock's (1986) equilibrium model suggesting firms underprice reluctantly, this model follows in the vein of more recent models (Nanda 1989 and...

We review the theory and evidence on IPO activity: why firms go public, why they reward first-day investors with considerable underpricing, and how IPOs perform in the long run. Our perspective on the literature is three-fold: First, we believe that many IPO phenomena are not stationary. Second,...