An experiment designed to find the real demand for climate protection was conducted among a sample of the residential population in Mannheim, Germany. Participants were offered the opportunity to contribute to climate protection by purchasing European Union Allowances which were then withdrawn...

This note presents results from modified dictator games in which the payoff-relevant game is either chosen randomly or by the recipients. We do not observe reciprocal behavior when recipients choose the game: Dictators do not condition their donations on the game chosen by recipients.