’ and complementors’ expectations hinge on non-efficiency factors (especially history such as past market shares), and … probably seek incompatibility too often. We therefore favour thoughtfully pro-compatibility public policy. …

This paper presents results from a calibrated welfare model of the UK mobile telephony market which includes many … focuses on the short-run effects of adopting lower mobile termination rates (MTRs) on total welfare, consumer surplus and … rates), increases social welfare, consumer surplus and networks’ profits. Depending on the strength of call externalities …

microfoundations, the welfare consequences of rent seeking can be studied. In particular, I show that competition among rent seekers …

We examine price competition under product-specific network effects, in a duopoly where the products are differentiated … horizontally and vertically. When consumers' expectations are not affected by prices, firms may share the market equally, or one … interior asymmetric equilibria. With expectations affected by prices, firms' competition becomes more intense and the high …

imposes positive fees on content and applications providers. Similarly, we find that imposing net neutrality in duopoly … increases total surplus compared to duopoly competition between platforms that charge positive fees on content providers. We …

benefit since the marginal hardware purchaser does not internalize the welfare improving response of the software industry …

constraints may improve welfare and be a complement or substitute to a higher regulated price, depending on the degree of altruism. …