This paper introduces a framework to study the impact of trade liberalization on wage inequality and welfare in the presence of monopsonistic labor markets. The interaction of firm heterogeneity in productivity with idiosyncratic preferences of workers for working at different firms generates...

We investigate the impact of product market competition on firms’ automation investments. We use a rich combination of micro-data on Portuguese exporters and exploit a novel source of variation in the degree of competition they face – a tariff liberalization between the European Union and...

This paper develops a model of trade and CO2 emissions with heterogenous firms, where firms make abatement investments and thereby have an impact on their level of emissions. The model shows that investments in abatements are positively related to firm productivity and firm exports. Emission...