Recent work on the evolution of utility has brought the blunt instrument of kin selection closer to the cluttered scalpel kit of social science. The concept of diminishing marginal utility can help streamline the latter. Reconciling ultimate causes with proximate inclinations, however, will be easier for the case of assistance from grandparents than assistance to them.
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Microsoft Res, New York, NY 10011 USAMicrosoft Res, New York, NY 10011 USA
Hofman, Jake M.
Watts, Duncan J.
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Univ Penn, Dept Comp & Informat Sci, 200 S 33Rd St, Philadelphia, PA 19104 USA
Univ Penn, Annenberg Sch Commun, Philadelphia, PA 19104 USA
Univ Penn, Operat Informat & Decis Dept, Philadelphia, PA 19104 USAMicrosoft Res, New York, NY 10011 USA
Watts, Duncan J.
Athey, Susan
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Stanford Univ, Grad Sch Business, Stanford, CA 94305 USAMicrosoft Res, New York, NY 10011 USA
Athey, Susan
Garip, Filiz
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Princeton Univ, Dept Sociol, Princeton, NJ 08544 USAMicrosoft Res, New York, NY 10011 USA
Garip, Filiz
Griffiths, Thomas L.
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Princeton Univ, Dept Psychol, Princeton, NJ 08544 USA
Princeton Univ, Dept Comp Sci, Princeton, NJ 08544 USAMicrosoft Res, New York, NY 10011 USA
Griffiths, Thomas L.
Kleinberg, Jon
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Cornell Univ, Dept Comp Sci, Ithaca, NY 14853 USA
Cornell Univ, Dept Informat Sci, Ithaca, NY USAMicrosoft Res, New York, NY 10011 USA
Kleinberg, Jon
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Margetts, Helen
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Mullainathan, Sendhil
Salganik, Matthew J.
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Princeton Univ, Dept Sociol, Princeton, NJ 08544 USAMicrosoft Res, New York, NY 10011 USA
Salganik, Matthew J.
Vazire, Simine
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Univ Melbourne, Melbourne Sch PsychoL Sci, Melbourne, Vic, AustraliaMicrosoft Res, New York, NY 10011 USA
Vazire, Simine
Vespignani, Alessandro
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Northeastern Univ, Lab Modeling Biol & Sociotech Syst, Boston, MA 02115 USAMicrosoft Res, New York, NY 10011 USA
Vespignani, Alessandro
Yarkoni, Tal
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Univ Texas Austin, Dept Psychol, Austin, TX 78712 USAMicrosoft Res, New York, NY 10011 USA