We study the formation of coalitions that provide public goods to members. Individuals are linked on a tree graph and those with similar preferences are connected on the tree. We present a solution that selects allocations belonging to the coalition structure core and that are also envy-free.

Current analysis addresses an apparently critical issue of wealth circulation in the society. In the form of three persons game, we put the welfare-related burden on taxpayers. The Negotiator No.1 stands up for citizens’ legal and moral right to social services. The Negotiator No.2 proceeds...

Current analysis addresses an apparently critical issue of wealth circulation in the society. In the form of three persons game, we put the welfare-related burden on taxpayers. The Negotiator No.1 stands up for citizens’ legal and moral right to social services. The Negotiator No.2 proceeds...

A profit-maximizing auctioneer can provide a public good to a group of agents. Each group member has a private value for the good being provided to the group. We investigate an auction mechanism where the auctioneer provides the good to the group, only if the sum of their bids exceeds a reserve...

Current analysis addresses an apparently critical issue of wealth circulation in the society. In the form of three persons game, we put the welfare-related burden on taxpayers. The Negotiator No.1 stands up for citizens’ legal and moral right to social services. The Negotiator No.2 proceeds...

This paper reports an experimental test of individual preferences for giving. We use graphical representations of modified Dictator Games that vary the price of giving. This generates a very rich data set well- suited to studying behavior at the level of the individual subject. We test the data...