In this paper we investigate whether markets with heterogeneous network externalities can belocked-in by old …

In the presence of network externalities, we compare the stability of collusion under Bertrand and Cournot duopoly with … competition than under Cournot competition in the sense of wide range of network externalities; (ii) collusion in prices … (quantities) is more stable than in quantities (prices) if network externalities is strong (weak) …

Local network externalities are present when the network externalities associated with entering a certain network … the consequences of local network externalities within a framework where two networks compete on the Hotelling circle. We … first show that local network externalities, in contrast to global network externalities, do not sharpen competition. Then …

-sustained growth and this depends on the strength of the externalities. In this paper, we propose a measure for the strength of the … externalities and define critical mass for two-sided platforms in terms of that parameter. Our definition is different from that …