This paper develops a model in which market structure is determined endogenously by the choice of intermediation mode. We consider two representative business modes of intermediation that are widely used in real-life markets: one is a middleman mode by which an intermediary holds inventories...

This paper develops a model in which market structure is determined endogenously by the choice of intermediation mode. We consider two representative business modes of intermediation that are widely used in real-life markets: one is a middleman mode where an intermediary holds inventories which...

Governments often subsidize poorer groups in society to ensure their access to new drugs. We analyze here the optimal income-based price subsidies in a strategic environment. We show that asymmetric health systems can arise even though countries are ex-ante symmetric when international price...

There is not a day goes by without a passionate debate concerning Big Tech companies; while the main concern of governments seems to be related to social justice, a growing worry is associated with the consequences that large firms have on consumer welfare; nowadays these big entities engage in...