We examine in detail the implementation of a project that is non-harmful for all agents as well as a project that is harmful for some agents through a unit-by-unit contribution mechanism. For a project that is non-harmful for all agents, efficient implementation is supported at one regular Nash...

We examine a voluntary participation game in public good provision in which each agent has a demand level for the public good. The agent's demand level is the minimum level of the public good from which she can receive a positive benefit. In this game, there exists a subgame perfect Nash...