Specialized theoretical and empirical research should in principle be embedded in a unified framework that identifies the relevant interactions among different phenomena, enables an appropriate matching of policy instruments to objectives, and grounds normative analysis in individuals' utilities...

Despite decades of research on mechanism design and on many practical aspects of cost-benefit analysis, one of the most basic and ubiquitous features of regulation as actually implemented throughout the world has received little theoretical attention: exemptions for small firms. These firms may...

"This essay revisits the question of instrument choice for the regulation of externalities in the context of climate change. The central point is that the Pigouvian prescription to equate marginal control costs with the expected marginal benefits of damage reduction should guide the design of...

"Abstract: This essay considers the appropriate conceptual framework for assessing the taxation of private transfers to individuals. Although it is conventional to emphasize the role of estate and gift taxation or inheritance taxation in redistributing income from the rich to the poor, the...

"Optimal policy rules--including those regarding income taxation, commodity taxation, public goods, and externalities--are typically derived in models with homogeneous preferences. This article reconsiders many central results for the case in which preferences for commodities, public goods, and...