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Levati, M. Vittoria
Zultan, Ro'i
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[Journal:] Games [ISSN:] 2073-4336 [Publisher:] MDPI [Place:] Basel [Volume:] 2 [Year:] 2011 [Issue:] 1 [Pages:] 1-15
This paper provides a new way to identify conditional cooperation in a real-time version of the standard voluntary contribution mechanism. We define contribution cycles as the number of contributors a player waits for before committing to a further contribution, and use a permutation test on contribution cycles to assign a measure of conditional cooperation to each group play. The validity of the measures is tested in an experiment. We find that roughly 20% of the plays exhibit dynamics of conditional cooperation. Moreover, notwithstanding a decline in contributions, conditional cooperation is found to be stable over time.
public goods game
real-time protocol
information feedback
conditional cooperation
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