I discuss the measurement of world poverty and inequality, with particular attention to the role of purchasing power parity (PPP) price indexes from the International Comparison Project. Global inequality increased with the latest revision of the ICP, and this reduced the global poverty line...

The 44 Liquormart decision, eliminating Rhode Island's ban on liquor price advertising, made Rhode Island the subject of a natural experiment for measuring the effect of advertising on prices. Using Massachusetts prices as controls, we find that advertising stores substantially cut only prices...

Self-regulation is the private provision of public goods and private redistribution. This paper examines the scope of self-regulation motivated by altruistic moral preferences that are reciprocal and stronger the closer are citizens in a socioeconomic distance. The focus is on the role of...

This paper reports on recent research showing that the severe recession of 2007-2009 and the weak recovery have been due to poor economic policies and the failure to implement good policies during the past decade. Monetary policy, fiscal policy, and regulatory policy became more discretionary,...

We consider two classes of explanations for the rise in policy-related economic uncertainty in the United States since 1960. The first stresses growth in government spending, taxes, and regulation. A second stresses increased political polarization and its implications for the policymaking...

Calls for benefit-cost analysis in rule-making, based on the Dodd-Frank Wall Street Reform Act, have revealed a paucity of work on allocative efficiency in financial markets. We propose three principles to help fill this gap. First, we highlight the need for quantifying the statistical cost of a...

US climate policy is unfolding under the Clean Air Act. Mobile source and construction permitting regulations are in place. Most important, EPA and the states will determine the form and stringency of the regulations for power plants. Various approaches would create an implicit price on emitting...