Motivated by recent research on survey data, we test the influence of the political regime on social norms under controlled laboratory conditions. Comparing solidarity behavior revealed by East and West Germans in 1995 and 2009, we find that East Germans persistently show much less solidarity...

In experimental bargaining with incomplete information, we vary the information distribution (symmetric and asymmetric), the direction of electronic prepaycommunication (no, one-way, and two way), and the electronic communication medium (email and video) Bargainig outcomes are influenced by the...

We examine how communication affects cooperation with the help of seven standard public goods experiments that only differ with respect to the medium of pre-play communication. Our treatments include bi-directional and unidirectional communication via (mostly electronic) auditory and/or visual...