This paper studies coalition formation under asymmetric information. An outside party offers private payments in order to influence the collective decision over an unpopular reform. The willingness to accept such payments is private information. The paper demonstrates that a supermajority...

Experimental evidence from simple distribution games supports the view that some individuals have a concern for the effciency of allocations. This motive could be important for the implementation of economic policy proposals. In a typical lab experiment, however, individuals have much more...

In most laboratory experiments concerning prosocial behavior subjects are fully informed how their decision influences the payoff of other players. Outside the laboratory, however, individuals typically have to decide without such detailed knowledge. To asses the effect of information...