This chapter defines various social distances as the degree of reciprocity that people believe is inherent within a social interaction. The greater the social distance, or isolation, between a person and others, the weaker is the scope for reciprocal relations. This chapter conjecture that the...

Most economic models are based on the self-interest hypothesis that assumes that material self-interest exclusively motivates all people. Experimental economists have gathered overwhelming evidence in recent years, however, that systematically refutes the self-interest hypothesis, suggesting...