While a number of countries have tried the use of sealed bid share auctions for initial public offerings (IPOs), few continue to use them. This is a puzzle, since auctions have been successfully used in a variety of situations for other financial securities, particularly for the sale of...

Shelf registration gives underwriters greater flexibility in timing market issues and involves little or no increase in direct costs, since registration fees are exactly the same and underwriter fees seem comparable. Nevertheless, shelf equity issues are rare. I argue that erosion in the due...