We study the equilibrium determinants of firm-level heterogeneity in a model in which firms can affect the variance of their productivity draws at the entry stage and explore the implications in closed and open economy. By allowing firms to choose the size of their investment in innovation...

We study the equilibrium determinants of firm-level heterogeneity in a model in which firms can affect the variance of their productivity draws at the entry stage and explore the implications in closed and open economy. By allowing firms to choose the size of their investment in innovation...

This paper studies the effect of firms'export activity on the gender wage gap among its workers. Using matched employer-employee data from Germany for the period be- tween 1993 and 2007, we show that an increase in a firm's export widens the wage gap between male and female blue-collar workers,...