-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 …

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