Does the size of the action set matter for cooperation?

Lata Gangadharan, Nikos Nikiforakis

Research output: Contribution to journalArticlepeer-review


We use the voluntary contribution mechanism to investigate whether smaller action sets lead to higher cooperation rates. We find that this is the case for groups of four players.

Original languageEnglish (US)
Pages (from-to)115-117
Number of pages3
JournalEconomics Letters
Issue number3
StatePublished - Sep 2009


  • Action set
  • Prisoner's dilemma
  • Voluntary contribution mechanism

ASJC Scopus subject areas

  • Finance
  • Economics and Econometrics


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