Utilizing firm-level data covering the 2010-2015 period, this study documents the frequency and characteristics of multi-product firms in Vietnamese manufacturing. Our major findings are as follows. First, multi-product firms are larger, more capital-intensive, more productive, and are more...

This study examines the individual and joint impact of technology transfer and in-house R&D on firms' productivity and export performance. We utilize a specially designed survey module on firms' technology competitiveness in Vietnamese manufacturing, which allows us to identify various forms of...

The standard international tax model is extended to allow for heterogeneous firms when agglomeration forces are important thus allowing us to study the relocation effects of taxes that vary according to firm size. We show that allowing for heterogeneity permits a given tax scheme to have an...

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...

This paper studies tax competition in an economic geography model that allows for agglomeration economies with trade costs and heterogeneous firms. We find that the Nash equilibrium involves the large country charging a higher tax than the small nation, with this rate being too low from a social...