My main research interest is the honesty of animal communication and reputational systems, the evolution and maintenance human cooperation and the early evolution of human language.

List of publications
You can download my papers from here

Selected publications

  • Számadó, Sz. & Penn, D.J. (2015) Why does costly signalling evolve? Challenges with testing the handicap hypothesis. Animal Behaviour, 110, December 2015, Pages e9-e12. doi:10.1016/j.anbehav.2015.06.005
  • Számadó, Sz. (2011) The cost of honesty and the fallacy of the handicap principle Animal Behaviour, January 2011, Volume 81(1): 3-10. [pdf]
  • Számadó, Sz. (2010) Pre-Hunt Communication Provides Context for the Evolution of Early Human Language Biological Theory, December 2010, Volume 5(4): 366-382. [pdf]
  • Boza, G. & Számadó, Sz. (2010) Beneficial Laggards: multilevel selection, cooperative polymorphism and division of labour in threshold public good games BMC Evolutionary Biology. DOI: 10.1186/1471-2148-10-336
  • Lachmann, M., Számadó, Sz. and Bergstrom, C.T. (2001) Cost and Conflict in Animal Signals and Human Language. Proc.Natl.Acad.Sci.USA 28, 13189-13194. [pdf]

Recent publications



MTA Centre for social Science
H-1014, Budapest, Országház u. 30.
MTA Research Group of Ecology and Theoretical Biology
Eötvös Loránd University,
Pázmány Péter 1/c, 1117 Budapest, Hungary

email: szamszab at