Hałaburda, Hanna; Jullien, Bruno; Yehezkel, Yaron - 2016 - September 2013, revised March 2016
We consider dynamic competition among platforms in a market with network externalities. A platform that dominated the … the focal platform whenever such equilibrium exists. Yet when faced with higher-quality competition, can a low …-quality platform remain focal? In the finite-horizon case, the unique equilibrium is efficient for "patient" platforms; with an …