our firm-level markup estimates. We document increasing markups in the overall economy throughout the first fifteen years … sectors with high markups increase their market share, which raises the aggregate markup, but this is dominated by a negative … correlation between changes in market share and markups, which depresses the aggregate. …

markups from both value added and sales and empirically test whether some of the global trends in market power can be seen in … Slovak firm level data as well. I find that the markups in Slovakia in fact declined since 2010, both in terms of value added … and sales. Although the decrease in sales markups is negligible, the value added aggregate markup declined by 25% from 2 …

This paper develops a theory of oligopoly and markups in general equilibrium. Firms compete in a network of product … corporations in the USA, using publicly-available data. Using the model, I compute firm-level markups and decompose them into: 1) a …