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

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

1 and 2,*
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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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