Previous research has suggested that firms in a number of industries have considerable market power, in the sense that their prices exceed their marginal costs. However, the observed profits of those
These files contain the programs and data for the journal article "Dynamics of Markups, Concentration and Product Span," American Economic Journal: Macroeconomics.
To date, little is known about the evolution of market power for the economies around the world. We extract data from the financial statements of over 70,000 firms in 134 countries, and we analyze and
This article addresses developments in the literature on The Rise of Market Power. First, it summarizes research about the result of De Loecker 2020 that the sales-weighted average markup has increase
This package contains replication files for "A Tale of Two Networks: Common Ownership and Product Market Rivalry" by Florian Ederer and Bruno Pellegrino, to be published in the Review of Economic Stud