Two firms, each consisting of a team with the owner and just oneemployee, compete on the labor market with free labor mobility. Afterobserving the investment decisions by firm owners their employees canengage in costly training, thus increasing their general and firm-specificproductivity, which...

This paper revisits and extends the experiment on the solidarity gameby Selten and Ockenfels (1998). We replicate the basic design of the solidaritygame and extend it in order to test the robustness of the fixed totalsacrifice' effect and the applied strategy method. Our results only...

A cyclical network of indirect reciprocity is derived organizing 3- or6-person groups into rings of social interaction where the first individualcan help the second, the second the third, and so on till the last, who inreturn can help the first. Mutual cooperation is triggered by assuming...

The goal of this paper is to provide an overview on the Virtual Laboratory infrastructurefor online economic experiments. We summarize our experience gainedfrom performing several economic experiments on the Internet. The experimentswe have run range from electronic markets to individual...