We investigate the relation between Net Neutrality regulation and Internet fragmentation. We model a two-sided market, where Content Providers (CPs) and consumers interact through Internet Service Providers (ISPs), and CPs sell consumers' attention to advertisers. Under Net Neutrality, a...

A fundamental result in the theory of commodity taxation is that taxes increase consumer prices and reduce supply, aggravating the distortions caused by market power. This result hinges on the assumption that each firm provides a single product. We study the effects of commodity taxes in...

A fundamental result in the theory of commodity taxation is that taxes increase consumer prices and reduce supply, aggravating the distortions caused by market power. This result hinges on the assumption that each firm provides a single product. We study the effects of commodity taxes in...

This paper studies the political economy of cordon tolls in a monocentric city consisting of three zones: center, mid-city and suburbs. The cordon toll may give rise to several interrelated conflicts: between residents within and outside the cordon, between car and public transport users,...

To enforce regulations, governments often delegate power to public officials. However, officials may have incentives to abuse their discretionary power and engage in bribery or extortion. Efforts to monitor and curb such abuses have inspired interest in using new communication technologies to...

We investigate the scope for supervisory activities in organizations in which information is non-verifiable and opportunism severe. A principal-supervisor-agent hierarchy is considered. Side-contracts between supervisor and agent may be reached both before and after the agent has chosen his...