This paper updates my 2008 study of the use of collusion analysis in the merger review process published in the Competition Policy International Journal. After an overview of developments in merger policy in the Merger Guidelines, this paper compares the level and outcome of collusion and...

This paper explores the use of collusion theories in merger analysis at the Federal Trade Commission. The 1992 Merger Guidelines focuses on unilateral effect, relegating collusion analysis to a second tier theory. Both structural and behavioral conditions conducive to establishing or maintaining...