In 2012, the Department of Housing and Urban Development launched the fourth major nationwide housing discrimination study with the goal of measuring housing discrimination in rental and owner-occupied housing for blacks, Hispanics and Asians. The substantial declines in discrimination observed...

This paper contributes to the literature on private law enforcement by proposing a novel solution to the problem of underenforcement by monopolistic enforcers. Monopolistic enforcers underinvest in fine collection because, by maximizing net expected revenue, they ignore the social benefits of...

This paper incorporates the reality that the bulk of law enforcement is decentralized while sanctions are chosen centrally, and explores the implications for the socially optimal sanction level. The presence of interregional externalities in the form of crime diversion induces socially excessive...

The concept of collective responsibility, or group punishment, for crimes or other harmful acts was a pervasive feature of ancient societies, as exemplified by the Roman doctrines of quasi-delicts and noxal liability, and the Greek notion of “pollution.” This chapter briefly surveys...

The "puzzle" of blackmail is that threats to reveal private information that would be harmful to someone in exchange for money are illegal, but revelation is not. The resolution is that concealment of information about product quality impedes the efficient operation of markets, whereas...