Gross spreads received by underwriters on initial public offerings (IPOs) i
n the United States are much higher than in other countries. Furthermore, i
n recent years more than 90 percent of deals raising $20-80 million have sp
reads of exactly seven percent, three times the proportion of a decade earl
ier. Investment bankers readily admit that the IPO business is very profita
ble, and that they avoid competing on fees because they "don't want to turn
it into ct commodity business." We examine several features of the IPO und
erwriting business that result in a market structure where spreads are high
.