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Games 2011, 2(1), 1-15; doi:10.3390/g2010001

Cycles of Conditional Cooperation in a Real-Time Voluntary Contribution Mechanism

1
Max Planck Institute of Economics, Kahlaische Strasse 10, D-07745 Jena, Germany
2
Department of Cognitive, Perceptual and Brain Sciences, University College London, 26 Bedford Way, London WC1H 0AP, UK
*
Author to whom correspondence should be addressed.
Received: 30 September 2010 / Revised: 14 December 2010 / Accepted: 4 January 2011 / Published: 14 January 2011
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Abstract

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.
Keywords: public goods game; real-time protocol; information feedback; conditional cooperation public goods game; real-time protocol; information feedback; conditional cooperation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Levati, M.V.; Zultan, R. Cycles of Conditional Cooperation in a Real-Time Voluntary Contribution Mechanism. Games 2011, 2, 1-15.

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