We study commodity taxation in markets where firms, such as Internet Service Providers, energy suppliers and payment card platforms, adopt multi-part tariffs. We show that ad valorem taxes can correct underprovision and hence increase welfare, provided the government applies differentiated tax...

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...

Numerous countries are introducing citizen feedback schemes to tame corruption. We study how best to incorporate feedback in public officials' incentives. The main novelty of our proposal is to allow citizens to directly influence officials' pay. We consider a situation in which entrepreneurs...

This paper analyses the market transformations in heritage tourism destinations when excessivetourism demand determines the emergence of a class of excursionists among visitors. Building onthe approach of Keane (1997) and Shapiro (1983), our model highlights some importantdimensions of...

We investigate the implications of Network Neutrality regulation for 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 Network Neutrality, CPs...