In 2018, the United States launched a trade war with China, marking an abrupt departure
from its historical leadership in integrating global markets. By late 2019, the United States …

This article reviews the empirical evidence on firm heterogeneity in international trade. A first
wave of empirical findings from microdata on plants and firms proposed challenges for …

After decades of supporting free trade, in 2018 the United States raised import tariffs and
major trade partners retaliated. We analyze the short-run impact of this return to …

We examine conventional approaches to evaluating the economic impact of protectionist
trade policies. We illustrate these conventional approaches by applying them to the tariffs …

Trade elasticity which varies widely across products is a crucial parameter in evaluating the
welfare impacts of changes in trade frictions. We estimate trade elasticities at the product …

We propose a “dominant currency paradigm” with three key features: dominant currency
pricing, pricing complementarities, and imported inputs in production. We test this paradigm …

We use French data over the 1994–2013 period to study how imports of industrial robots
affect firm-level outcomes. Guided by a simple model, we develop a novel empirical strategy …

We use comprehensive micro data in the French manufacturing sector between 1994 and
2015 to document the effects of automation technologies on employment, wages, prices and …

We estimate the price effect of US import restrictions on washers. The 2012 and 2016
antidumping duties against South Korea and China were accompanied by downward or …

Between 1990 and 2008, air pollution emissions from US manufacturing fell by 60 percent
despite a substantial increase in manufacturing output. We show that these emissions …