How does dismantling deep integration affect international trade? This paper provides new evidence on the consequences of disintegration by estimating the impact of Brexit on goods trade by UK firms. The UK’s exit from the EU’s single market and customs union in January 2021 led to an...

A wide range of interventions, from subsidized grains all the way to conditions on nutrition in conditional cash transfers, have either been tried or put in place in different countries in order to fight under-nutrition. A number of important policy experiments in recent years, directly or...

A wide range of interventions, from subsidized grains all the way to conditions on nutrition in conditional cash transfers, have either been tried or put in place in different countries in order to fight under-nutrition. A number of important policy experiments in recent years, directly or...

What are the welfare effects of the information contained in macroeconomic statistics, central-bank communications, or news in the media? We address this question in a business-cycle framework that nests the neoclassical core of modern DSGE models. Earlier lessons that were based on “beauty...

We argue that standard modeling practices often overstate the potency of general-equilibrium (GE) mechanisms. We formalize the notion that GE adjustment is weak, or that it takes time, by modifying an elementary Walrasian economy in two alternative manners. In one, we replace Rational...

What are the welfare effects of the information contained in macroeconomic statistics, central-bank communications, or news in the media? We address this question in a business-cycle framework that nests the neoclassical core of modern DSGE models. Earlier lessons that were based on "beauty...