This paper develops a model of endogenous product selection by firms. The theory is motivated by new evidence we present on the importance of product switching by U.S. manufacturers. Two-thirds of continuing firms change their product mix every five years, and product switches involve more than...

This paper uses newly available firm-level tax data to evaluate the market structure in South African manufacturing sectors in the period 2010-12. To describe the market structure we compute markups for South African manufacturing firms and concentration indexes for 4-digit manufacturing...

Even before the global crisis, the Italian economy was in difficulties internationally, but slow growth and a declining share of world trade were accompanied by a perceptible process of manufacturing transformation. This paper, using data from the Bank of Italy's survey of manufacturers,...

In this paper we propose a novel method for the price-cost markup estimation and study the relationship between export intensity and the markup. We impose much less restrictive identifying assumptions on technology and adjustment frictions compared to previous studies and use Swedish firm-level...

This paper studies the relationship between firm-level markups and trade status using balance sheet information linked to detailed trade data from Hungary between 1995-2003. We find that importing is strongly positively correlated with markups both across and within firms. We argue that this...