The launch of a public project requires support from enough members of a group. Members (players) are differently important for the project and have different cost/benefit relations. There are players who profit and players who suffer from the launch of the project. Examples are the Kyoto...

Handlungsempfehlungen (deutsch): Gegenseitigkeit und Vertrauen können in verschiedener Weise den Abschluss internationaler Klimaschutzvereinbarungen fördern: 1. Klimapolitische Instrumente sollten derart gestaltet werden, dass sie mit dem Prinzip der Gegenseitigkeit („Reziprozität“)...

The launch of a public project requires “enough” support from a group of n players. If players have only binary decision sets (participate or not, vote approvingly or not) this game is called a Binary Threshold Public Goods game (BTPG). In this paper we keep the individual cost/benefit...

In a laboratory experiment groups of four played a 15-period Public Good game. Each period a player could either invest in a green sector or in a more profitable but polluting brown sector. The pollutant accumulated and decreased the players’ income in all following periods. We conducted...