-merger HHI, is larger than reported in the extant literature (at least) by a factor of ten. We also show that concentration has …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 …

-merger HHI, is larger than reported in the extant literature (at least) by a factor of ten. We also show that concentration has …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 …

1990-2014 period, we evaluate how consistently arguments related to structural market parameters – dominance, concentration …'s competitive concerns are also correlated with concentration and the more so, the higher the entry barriers and the risks of …

Commission, we evaluate how consistently arguments related to structural market parameters – dominance, rising concentration … increase in post-merger concentration and in complex mergers. Yet, its importance decreased following the 2004 merger policy … reform. Competitive concerns are also correlated with rising concentration, especially if entry barriers and foreclosure are …

has relatively low information requirements. We propose to use the index as a natural complement to concentration measures …

This paper uses new data to reexamine trends in concentration in U.S. markets from 1994 to 2019. The paper's main … contribution is to construct concentration measures that reflect narrowly defined consumption-based product markets, as would be … higher than previous results. Also in contrast with the previous literature, we find that product market concentration has …