@article{Arrow, author = {Arrow, K. J.}, title = {Gifts and Exchanges}, series = {Phelps, E. S. (Ed.): Altruism, morality and economic theory, New York (Russell Sage Foundation) 1975, pp. 13-28.}, journal = {Phelps, E. S. (Ed.): Altruism, morality and economic theory, New York (Russell Sage Foundation) 1975, pp. 13-28.}, language = {en} }