Global environmental concerns have increased the sensitivity of governments and other parties to the actions of those outside their national jurisdiction. Parties have tried to extend influence extraterritorially both by promising to reward desired behavior and by threatening to punish undesired...

This paper explores how optimal enforcement is affected by the fact that not all individuals are equally easy to apprehend. When the probability of apprehension is the same for all individuals, optimal sanctions will be maximal: as Gary Becker (1968) suggested, raising sanctions and reducing the...

Sanctions are measures that one party (the sender) takes to influence the actions of another (the target). Sanctions, or the threat of sanctions, have been used, for example, by creditors to get a foreign sovereign to repay debt or by one government to influence the human rights, trade, or...

Producer services such as managerial and engineering consulting can provide domestic firms with the substantial benefits of specialized knowledge that would be costly in terms of both time and money for domestic firms to develop on their own. These intermediate services are often non-traded, or...

In contrast to recent literature, we show that market access requirements (MARs) can be implemented in a procompetitive manner even in the absence of threats in related markets. By focusing on subsidies that are paid only when the requirement is met, we show that a MAR can increase aggregate...

Trade policy uncertainty (TPU) has become an important source of economic uncertainty and research. We review the main sources and measures of TPU. We then provide a conceptual framework for modeling TPU and methods of estimating and quantifying its effects. We analyze its role in trade...

Free trade is not optimal for a small country that faces uncertain terms of trade if some factors are immobile - ex post, and markets for contingent claims are incomplete. The government can improve social welfare by using commercial policy that serves as a partial substitute for missing...