A brief discussion of recent methods using the Hat Matrix for identifying leverage points, and clustering techniques for finding groups of data points is presented. The problem of identifying leverage groups is addressed, and a heuristic algorithm for identifying both leverage points and...

This essay shows that government credit-allocation schemes generate incentive conflicts that undermine the quality of bank supervision and eventually produce banking crisis. For political reasons, most countries establish a regulatory culture that embraces three economically contradictory...

We show that firms with CEOs who personally benefitted from options backdating were more likely to engage in other forms of corporate misbehavior, suggestive of an unethical corporate culture. These firms were more likely to overstate firm profitability and to engage in less profitable...

We study optimal policy experimentation by a committee. We consider a dynamic bargaining game in which committee members choose either a risky reform or a safe alternative each period. When no redistribution is allowed the unique equilibrium outcome is generically inefficient. When...

Committees improve decisions by pooling independent information of members, but promote manipulation, obfuscation, and exaggeration of private evidence when members have conflicting preferences. We study how self-interest mediates these conflicting forces. When members' preferences differ, no...

In setting prices for physician services, Medicare solicits input from a committee that evaluates proposals from industry. We investigate whether this arrangement leads to prices biased toward the interests of committee members. We find that increasing a measure of affiliation between the...