Barros, Pedro Pita; Martinez-Giralt, Xavier - In: European Journal of Political Economy 24 (2008) 2, pp. 402-414
We study how a third-party payer decides what providers to contract with. Two mechanisms are studied and their properties compared. A first mechanism consists of the so-called "any willing provider" where the third-party payer announces a contract and every provider freely decides to sign it or...