This paper develops a dynamic structural model of trade in which firms slowly accumulate
consumers in foreign markets. Estimating the model using export data from individual firms …

The problems of moral hazard and adverse selection can seriously impede the development
of export markets for firms from less developed countries. My paper develops and estimates …

This paper investigates how income inequality affects the quality of imported products. In a
heterogeneous-firms trade model, I show that higher inequality increases total expenditure …

This study analyzes how export duration affects firms' export product quality. On the basis of
Chinese firms' micro data, we find that export duration has a significantly positive effect on …

This paper quantifies the separate contribution of idiosyncratic productivity and demand
growth on aggregate Chinese exports. We develop firm, product, market and year-specific …

Supply side spillovers have been used to explain firms' entry behavior in the pharmaceutical
industry. In contrast, demand side spillovers have received less attention. This paper …

In this paper, we build a dynamic game model of quantity competition to explain the price
difference between continuing exporters and exits. Continuing exports are forward looking …

This paper investigates the impact of information asymmetries on import quality through the
lens of internet development. Based on Amiti et al.(2014), we develop a theoretical model to …

This dissertation consists of three chapters on multi-product firms. The first chapter shows
reduced-form evidence on the interactions of multiple product lines at a firm through the …

I combine micro-level data and structural models to study the interaction between trade,
innovation, and human capital. In the first chapter, I examine how China's expansion of …