linking this to productivity, which turns out to be important. The paper also provides an example of modeling productivity …

Starting from the premise that productivity is heterogeneous across firms, Melitz (2003) explains why individual … productivity is key in determining the capability of a firm to export. In this paper we build a model along Melitz's lines to show … international markets. We show that firms with low productivity may still be able to penetrate foreign markets provided they have …

This paper investigates cross-sectoral productivity differentials in South African industry and their distributional … consequences. The analysis shows that typically, traded sectors have experienced low productivity growth over the past decade …, while skill intensive service sectors have had significant productivity growth. This is the inverse of the traditional …