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...

This paper investigates theoretically and empirically the endogenous investment decision of firms conditioning on export decision. It shows that theoretically, whatever the form of preferences, firms that start exporting invest more and grow more than the others. However, it is shown that when...