"Interpersonal relationship (guanxi) is one of the major dynamics of Chinese society. Guanxi has been a pervasive part of the Chinese business world for the last few centuries. It binds literally millions of Chinese firms into a social and business web. In China's new, fast-paced business...

Networks and the embedded relationships are critical determinants of how people communicate and form beliefs. The explosion of social media has significantly increased the scope and impact of social learning among consumers. This paper studies observational learning in networks of friends versus...

Experimental evidence suggests that human decisions involve a mixture of self-interest and internalized social norms which cannot be accounted for by the Nash equilibrium behavior of Homo Economicus. This led to the notion of strong reciprocity (or altruistic punishment) to capture the human...