
4 Introduction
1.3 EQUIVALENT AUCTIONS
Four auction formats have been outlined here. Two were open auctions—
the English and the Dutch—and two were sealed-bid auctions—the first- and
second-price formats. These seem very different institutions, and certainly, they
differ in the way that they are implemented in the real world. Open auctions
require that the bidders collect in the same place, whereas sealed bids may be
submitted by mail, so a bidder may observe the behavior of other bidders in one
format and not in another. For rational decision makers, however, some of these
differences are superficial.
First, observe that the Dutch open descending price ...