@article{Buchanan, author = {Buchanan, J. M.}, title = {The Samaritan's Dilemma}, series = {Phelps, E. S. (Ed.): Altruism, morality and economic theory, New York (Russell Sage Foundation) 1975, pp. 71-86.}, journal = {Phelps, E. S. (Ed.): Altruism, morality and economic theory, New York (Russell Sage Foundation) 1975, pp. 71-86.}, language = {en} }