Gatekeepers on the Internet and the Competitiveness of Homogeneous Product Markets


We examine the equilibrium interaction between a market for price information (controlled by a gatekeeper) and the homogenous product market it serves. The gatekeeper charges fees to ...rms that advertise prices on its Internet site and to consumers who access the list of advertised prices. Gatekeeper pro...ts are maximized in an equilibrium where (a) the… (More)


2 Figures and Tables