The reciprocal loan simply means that in return for a loan for a specific period, the lender receives an equivalent amount of loan for a similar period of time. Some contemporary scholars believe that reciprocal loans are legitimate, if they are not tied, that is if the lending of one loan does...

This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind ones. The theory takes into account that people evaluate the kindness of an action not only by its consequences but also by the intention underlying this action. The theory...

This paper surveys recent experimental and field evidence on the impact of concerns for fairness, reciprocity and altruism on economic decision making. It also reviews some new theoretical attempts to model the observed behavior.