-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 …

if intra-group negative externalities are sufficiently (but not too) strong with respect to positive inter …-group externalities …

We propose a general framework for consumer demand in two-sided markets, modelling the way externalities between … externalities and establish the conditions for the existence of critical mass. The outstanding feature that distinguishes two … externalities. It is this platform-specific nature that makes skewed pricing profitable. When externalities are market-wide, skewed …

if intragroup negative externalities are sufficiently (but not too) strong with respect to positive intergroup … externalities. …

consumption externalities, we show that an equilibrium price equals the marginal cost if and only if the buyer network is complete … or cyclic. When the externalities are approximately linear in the size of consumption, we identify the classes of …