This paper analyzes the effects of mergers between firms competing by simultaneously choosing price and location. Products combined by a merger are repositioned away from each other to reduce cannibalization, and non-merging substitutes are, in response, repositioned between the merged products....

A raft of articles offered contrasting views on analytic tools for assessing unilateral effects from differentiated products mergers. We revisit this debate to clarify the issues and place them in context. We consider the choice among analytic tools at three stages of a merger assessment -...