Theoretical models of group lending assume that all group members are identical in terms of their effect on repayment performance. In practice, however, this may not be true. We use a unique data set obtained from a survey of 160 borrowing groups in Jordan to investigate the impact of joint...

A noncooperative model of a normal form game is developed using tools from fuzzy set theory. The paper extends the decision theory framework of Bellman and Zadeh (1970) to a game-theoretic setting. We identify conditions for the existence of equilibrium in this setting and provide a duopoly...

This classroom experiment illustrates the efficiency-enhancing property of a Tiebout system in which local public goods decisions are determined by a political process. Students are given playing cards that induce diverse preferences for expenditures on alternative public goods and are initially...