I provide an equilibrium analysis of “selection markets”: where consumers not only vary in how much they are willing to pay, but also in how much they cost to the seller. The model provides a joint explanation for three empirical phenomena: low uptake of existing products, slow demand for...

This article analyzes competition between two asymmetric networks, an incumbent and a new entrant. Networks compete in non-linear tariffs and may charge different prices for on-net and off-net calls. Departing from cost-based access pricing allows the incumbent to foreclose the market in a...