An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in … many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market … scrutinized by the European Commission between 1995 and 2014. We show that concentration, as measured by the market-specific post …

extent of competition from substitute products. I estimate that, in 2019, public corporations produced consumer surplus in … excess of 10 US$ trillions (against $3 trillions of profits). Oligopoly lowers total surplus by 11.5% and depresses consumer … surplus by 31%. My analysis also suggests that both numbers were significantly lower in the mid-90s (7.9% and 21 …

employers of immigrant labor. The adjustment is required by firms’ profit-maximizing behavior, unconnected to general …

Excessive concentration increases national risk in an uncertain world. This paper views economic and political …

positive spatial autocorrelation coefficient, which shows a spatial concentration of military autocracies. In particular, in …

gasoline market confirms that increases in concentration reduce product variety. Ignoring this product variety effect is likely …

. Using newbuilding-level data from New York City, we find that a 10% increase in ownership concentration in a Census tract is … spillovers through increased markups and derive conditions under which restricting landownership concentration reduces rents …

We use transaction-level data to study changes in the concentration of US imports. Concentration has fallen in the … typical industry, while it is stable by industry and origin country. The fall in concentration is driven by the extensive … firms within country are diverging. Finally, higher concentration from an origin country is associated with a fall in prices …