reconcile these findings by linking part of the increase in domestic concentration to import competition. Although concentration … increase. We find that higher import competition caused a decline in the market shares of the top twenty U.S. firms. …

domestic competition is explained by concentration indices, such as CR4 and HHI, which show positive correlation with profit …This paper discusses the relation between trade and competition, revising the literature and using indicators, build … evaluating trade and competition policies in the context of the Brazilian economy. …

This study examines the association between auditor concentration and intra-industry competition in the client industry …. It has been suggested that competition within the client industry may cause some firms to seek auditors that are not … 1999) examining the association between auditor industry concentration and client industry competition have yielded …