importance for competition and economic welfare of food producers and consumers. In Poland, a rising concentration among various … execution in the Polish food sector and its branches in the period 2002-2013. As a measure of this phenomenon the markups of … price above the marginal cost were applied and for their estimation two methods were used, namely the Roeger method …

Estimates of monopolistic markups are relatively scarce in the literature mostly due to lack of appropriate data and … monopolistic markups in the Polish economy in the period of 1995-2009 using Polish firm level data. We show the association of the … impact of both internationalization and competitive pressure on the level of markups. We show a somewhat puzzling and at the …

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 …

own workers to pay lower wages; and 2. Monopoly, where dominant firms charge too high prices for what they sell, which … Census Bureau between 1997 and 2016, we find evidence of both monopoly and monopsony, where the former is rising over this … period and the latter is stable. Both contribute to the decoupling of productivity and wage growth, with monopoly being the …

2018. We first show that both markets are not perfectly competitive, as both price markups and wage markdowns are far from …