all platforms or a “pure” monopoly with just one platform. Literature has not generally discussed, which benchmark is the …

We analyse the roles of social network topology and size on the monopoly pricing of network goods in a market, where … against, and dominates, the size effect in monopoly pricing by reducing the monopoly's capacity to extract consumer surplus …. Under asymmetric information about consumer types, the monopoly prefers symmetric network topologies, but the social optimum …

We propose both a monopoly and a duopoly model of a two-sided market. Both settings are fully comparable, as we impose … sizes. We determine the duopoly equilibrium and the monopoly optimum in terms of the parameters and obtain solutions with … economically plausible parameter sets for which duopoly equilibrium prices exceed optimal monopoly prices and one with no …