For many years, businesses, government regulators, and the public have expressed concern about the dominance of a few large public accounting firms in the audit market. Recent events have increased concern about the lack of competition in the auditing industry. Using market concentration...

We extend prior research examining the competitiveness of the US audit market by measuring concentration levels within client industry and within client location before and after the merger between Price Waterhouse and Coopers & Lybrand and before and after the dissolution of Arthur Andersen. We...