Imagine that there are N agents. Furthermore, assume that agent i receives signal i U[-1, 1]. Signals are independently drawn and are only privately known. Assume that the payoff of an individual who is idle is equal to 0 and the payoff of an individual who is active is equal to = 0 + 0 + + Ai- + i +Ai+ + ... + AN. a) No b) Yes ... Imagine that N = 4. Furthermore, let 0 = socially optimal to be active in this case? 3 ,0 = 1, and 0 = . Is it c) It depends on the precise value of 04 d) No, unless the fourth agent knows the signals of all other individuals.