Proc Natl Acad Sci U S A, Vol. 102, No. 5. (1 February 2005), pp. 1803-1807.
Proc Natl Acad Sci U S A, Vol. 102, No. 19. (10 May 2005), pp. 7047-7049.
(10 November 2000)
Commun. ACM, Vol. 45, No. 11. (November 2002), pp. 56-61.
The American Economic Review, Vol. 90, No. 4. (2000), pp. 980-994.
Science, Vol. 312, No. 5770. (7 April 2006), pp. 60-61.
Science, Vol. 312, No. 5770. (7 April 2006), pp. 108-111.
Journal of Public Economics, Vol. 54, No. 1. (May 1994), pp. 1-36.
(01 January 1965)
Nature, Vol. 454, No. 7201. (10 July 2008), pp. 213-216.
Proc Natl Acad Sci U S A, Vol. 103, No. 11. (14 March 2006), pp. 3994-3998.
The American Economic Review, Vol. 83, No. 5. (1993), pp. 1317-1327.
pp. 671-690.
The Quarterly Journal of Economics, Vol. 103, No. 1. (1988), pp. 179-199.
The American Journal of Sociology, Vol. 85, No. 4. (1980), pp. 926-937.
Physical Review Letters, Vol. 89, No. 11. (2002), 118101.
(16 January 2003)
J Theor Biol (12 April 2007)
Proc Biol Sci, Vol. 270, No. 1519. (22 May 2003), pp. 1099-1104.
Current Biology, Vol. 16, No. 22. (21 November 2006), pp. R946-R949.
Science, Vol. 320, No. 5883. (20 June 2008), pp. 1605-1609.
Games and Economic Behavior, Vol. 60, No. 1. (July 2007), pp. 31-51.
Nature, Vol. 415, No. 6870. (24 January 2002), pp. 424-426.
Experimental Economics, Vol. 6, No. 3. (1 November 2003), pp. 299-310.
Journal of Public Economic Theory, Vol. 10, No. 2. (April 2008), pp. 171-194.
Nature, Vol. 425, No. 6956. (2003), pp. 390-393.