The paper estimates the causal effect of trade liberalisation on aggregate productivity through mechanisms related to firm selection. The construction of a bridge in 2000 across the Öresund Strait linking Copenhagen with Malmö, Swedens third largest city, provided a natural experiment with...

Using highly granular micro data, we document very divergent economic effects of the COVID-19 pandemic on Swedish private-sector firms and their workers. Firms that exported to, or imported from, heavily afflicted countries reduced their output due to disrupted trade. Service firms that operated...

Using highly granular micro data, we document very divergent economic effects of the COVID-19 pandemic on Swedish private-sector firms and their workers. Firms that exported to, or imported from, heavily afflicted countries reduced their output due to disrupted trade. Service firms that operated...

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...

The purpose of this study is to test for the effects of trade promotion via the foreign service. We develop a Melitz-based model where firms are heterogeneous with respect to productivity and must pay a beachhead cost to enter a foreign market, which can be reduced by government spending on...