One of the perennial questions in the switching cost literature is whether switching costs enhance or harm firms' profits. In this paper, we ask what types of switching costs, among those that are commonly observed, enhance firm's profits provided that firms can i) endogenously influence the...

When firms competitively price discriminate, best-response functions may exhibit either best-response symmetry (firms' ranking of strong and weak markets coincide) or best-response asymmetry (one firm's strong market is another firm's weak market). It has been shown in Corts (1998) and many...