The high social costs of financial crises imply that economists, policymakers, businesses, and households have a tremendous incentive to understand, and try to prevent them. And yet, so far we have failed to learn how to avoid them. In this article, we take a novel approach to studying financial...

To understand a price boom, it is helpful to take account of: (1) observable indicators of changes in ex ante risk tolerance, (2) what information exists and when, and (3) the incentives lenders face. This paper takes such an approach to the Florida land boom of the mid-1920s, the U.S.' first...