Since 2005, the Chinese government has engaged in an ambitious effort to move China's energy system away from coal and towards more environmentally friendly sources of energy. However, China's investment in coal power has accelerated sharply in recent years, raising concerns of massive...

This paper studies price and quality differences across international intermediate input suppliers. We develop price measures that account for (i) differences in product characteristics, (ii) unobserved quality differences, and (iii) pure (frictional) price dispersion across suppliers. Using...

We empirically study the dynamics of labor market adjustment following the Brazilian trade reform of the 1990s. We use variation in industry-specific tariff cuts interacted with initial regional industry mix to measure trade-induced local labor demand shocks, and then examine regional and...

This paper demonstrates that low-skilled Mexican-born immigrants' location choices in the U.S. respond strongly to changes in local labor demand, and that this geographic elasticity helps equalize spatial differences in labor market outcomes for low-skilled native workers, who are much less...

We examine how increasing the number of visas available to potential migrants would affect unauthorized immigration from Mexico to the U.S. Current U.S. policy bans people who are deported from receiving legal status for a period of time. This policy aims to serve as an additional deterrent to...

We use firm-level data on U.S. multinationals to show how offshoring affects domestic employment within and across firms. We introduce a new instrument for offshoring: Bilateral Tax Treaties, which reduce the cost of offshore activities. We find substantial heterogeneity in effects. A 10 percent...

This paper considers the effects of Chinese import competition on firm-level labor market outcomes in Portugal. We examine direct competition in the Portuguese market and indirect competition Portugal's largest export markets in Western Europe. Using rich employer-employee data matched to...

We document the transmission of social distancing practices from the United States to Mexico along migrant networks during the early 2020 Covid-19 pandemic. Using data on pre-existing migrant connections between Mexican and U.S. locations and mobile-phone tracking data revealing social...

There are two commonly accepted views about command-and-control (CAC) environmental regulation. First, CAC delivers environmental outcomes at very high cost. Second, in a developing country with weak regulatory institutions, CACs may not even yield environmental benefits: regulators can force...

This paper estimates the change in net (of subsidy) financial burden (“the price of responsibility”) and in welfare that would be experienced by a large nationally representative sample of the “non-poor” uninsured if they were to purchase Silver or Bronze plans on the ACA exchanges. The...