We analyse network competition in a market with international calls. National regulatory agencies (NRAs) have incentives to set regulated termination rates above marginal cost to extract rent from international call termination. International network ownership and deregulation are alternatives...

I generalize the workhorse model of network competition to include income effects in demand. Empirical work has shown income effects to be positive and statistically significant. Income effects deliver theoretical results consistent with regulatory concern about excessive termination rates:...

This paper questions whether competition can replace sector-specific regulation of mobile telecommunications. We show that the monopolistic outcome prevails independently of market concentration when access prices are determined in bilateral negotiations. A light-handed regulatory policy can...

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We study sex trafficking in a marriage market model of prostitution. When traffickers can coerce women to sell sex, trafficked prostitutes constitute a non-zero share of supply in any unregulated market for sex. We ask if regulation can eradicate trafficking and restore the equilibrium that...