Discretion is examined as a feature of the design of rule-guided systems. That is, given that rules have to be administered by some group of persons, called adjudicators, and given that their goals may be different from society's (or a relevant organization's), when is it socially desirable to...

Most legal academics and policy makers believe that notions of fairness should be accorded positive weight in evaluating legal policies. We explain, however, that ascribing importance to any notion of fairness (other than one concerned solely with the distribution of income) will sometimes lead...

The traditional view of economists has been that corrective taxes are superior to direct regulation of harmful externalities when the state's information about control costs is incomplete. In recent years, however, many economists seem to have adopted a different view--that either corrective...

It is evident that both law and morality serve to channel our behavior. Law accomplishes this primarily through the threat of sanctions if we disobey legal rules. Morality too involves incentives: bad acts may result in guilt and disapprobation, and good acts may result in virtuous feelings and...