The role of Intermediaries for Investors CR Information production: He(2007, RFS); Gorton and He (2008,RES) CR Monitoring: Diamond (1984, RES CR Screening: Bernanke and Blinder(1988, AER CR Liquidity provider: Diamond and Dybvig(1983, JPE CR Risk transformation: Diamond(1984, RES CR Maturity transformation: Diamond and Dybvig(1983, JPE CR Payment methods: He, Huang and Wright(2005, IER)  Information production: He (2007, RFS); Gorton and He (2008, RES)  Monitoring: Diamond (1984, RES)  Screening: Bernanke and Blinder (1988, AER)  Liquidity provider: Diamond and Dybvig (1983, JPE)  Risk transformation: Diamond (1984, RES)  Maturity transformation: Diamond and Dybvig (1983, JPE)  Payment methods: He, Huang and Wright (2005, IER) The Role of Intermediaries for Investors