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Efficiency-Enhancing Signalling in the Samaritan's Dilemma

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Author Info
Lagerlöf, Johan N.M.

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Abstract

Suppose an altruistic person - A - is willing to transfer resources to a second person - B - if B comes upon hard times. If B anticipates that A will act in this manner, B will save too little from both agents’ point of view. This is the Samaritan’s dilemma. The logic of the dilemma has been employed in an extensive literature, addressing a wide range of both normative and positive issues. This Paper shows, however, that the under-saving result is mitigated if we relax the standard assumption of complete information. The reason for this is that if A is uncertain about how big B’s need for support is, B will have an incentive to signal that they are in great need by saving more that they otherwise would have done.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 3842.

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Date of creation: Mar 2003
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Handle: RePEc:cpr:ceprdp:3842

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Related research
Keywords: altruism; efficiency; saving; signalling;

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Find related papers by JEL classification:
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information

References listed on IDEAS
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  1. Lindbeck, Assar & Weibull, Jorgen W, 1988. "Altruism and Time Consistency: The Economics of Fait Accompli," Journal of Political Economy, University of Chicago Press, vol. 96(6), pages 1165-82, December. [Downloadable!] (restricted)
  2. Gary S. Becker, 1974. "A Theory of Social Interactions," NBER Working Papers 0042, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  3. Bruce, Neil & Waldman, Michael, 1991. "Transfers in Kind: Why They Can Be Efficient and Nonpaternalistic," American Economic Review, American Economic Association, vol. 81(5), pages 1345-51, December. [Downloadable!] (restricted)
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  4. Bruce, Neil & Waldman, Michael, 1990. "The Rotten-Kid Theorem Meets the Samaritan's Dilemma," The Quarterly Journal of Economics, MIT Press, vol. 105(1), pages 155-65, February. [Downloadable!] (restricted)
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  5. O'Connell, Stephen A. & Zeldes, Stephen P., 1993. "Dynamic efficiency in the gifts economy," Journal of Monetary Economics, Elsevier, vol. 31(3), pages 363-379, June. [Downloadable!] (restricted)
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  6. Veall, Michael R., 1986. "Public pensions as optimal social contracts," Journal of Public Economics, Elsevier, vol. 31(2), pages 237-251, November. [Downloadable!] (restricted)
  7. Bernheim, B Douglas & Stark, Oded, 1988. "Altruism within the Family Reconsidered: Do Nice Guys Finish Last?," American Economic Review, American Economic Association, vol. 78(5), pages 1034-45, December. [Downloadable!] (restricted)
  8. Coate, Stephen, 1995. "Altruism, the Samaritan's Dilemma, and Government Transfer Policy," American Economic Review, American Economic Association, vol. 85(1), pages 46-57, March. [Downloadable!] (restricted)
  9. Chakrabarti, Subir & Lord, William & Rangazas, Peter, 1993. "Uncertain Altruism and Investment in Children," American Economic Review, American Economic Association, vol. 83(4), pages 994-1002, September. [Downloadable!] (restricted)
  10. Becker, Gary S & Murphy, Kevin M, 1988. "The Family and the State," Journal of Law & Economics, University of Chicago Press, vol. 31(1), pages 1-18, April.
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  11. Holmstrom, Bengt & Myerson, Roger B, 1983. "Efficient and Durable Decision Rules with Incomplete Information," Econometrica, Econometric Society, vol. 51(6), pages 1799-819, November. [Downloadable!] (restricted)
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  12. Johan Lagerlof, 2002. "Efficiency-Enhancing Signalling in the Samaritan's Dilemma," Microeconomics 0207001, EconWPA. [Downloadable!]
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  13. Spence, A Michael, 1973. "Job Market Signaling," The Quarterly Journal of Economics, MIT Press, vol. 87(3), pages 355-74, August. [Downloadable!] (restricted)
  14. Bergstrom, Theodore C, 1989. "A Fresh Look at the Rotten Kid Theorem--and Other Household Mysteries," Journal of Political Economy, University of Chicago Press, vol. 97(5), pages 1138-59, October. [Downloadable!] (restricted)
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  1. Amegashie, J.A., 2006. "Economics, Gratitude, and Warm-Glow," Working Papers 2006-1, University of Guelph, Department of Economics. [Downloadable!]
  2. Lagerlöf, Johan N.M., 2003. "Efficiency-Enhancing Signalling in the Samaritan's Dilemma," CEPR Discussion Papers 3842, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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