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. …

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 …