"The intensity of recent turbulence in financial markets has surprised nearly everyone. This paper searches out the root causes of the crisis, distinguishing them from scapegoating explanations that have been used in policy circles to divert attention from the underlying breakdown of incentives....

"A rapidly growing empirical literature is studying the causes and consequences of bank fragility in contemporary economies. The authors reviews the two basic methodologies adopted in cross-country empirical studies-the signals approach and the multivariate probability model-and their...