Dilemma of Dilemmas: How Collective and Individual Perspectives Can Clarify the Size Dilemma in Voluntary Linear Public Goods Dilemmas
Daniel B Shank, Yoshihisa Kashima, Saam Saber, Thomas Gale, Michael Kirley
PLOS ONE | PUBLIC LIBRARY SCIENCE | Published : 2015
Empirical findings on public goods dilemmas indicate an unresolved dilemma: that increasing size-the number of people in the dilemma-sometimes increases, decreases, or does not influence cooperation. We clarify this dilemma by first classifying public goods dilemma properties that specify individual outcomes as individual properties (e.g., Marginal Per Capita Return) and group outcomes as group properties (e.g., public good multiplier), mathematically showing how only one set of properties can remain constant as the dilemma size increases. Underpinning decision-making regarding individual and group properties, we propose that individuals are motivated by both individual and group preferences..View full abstract
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Awarded by Australian Research Council
Funding: This work is funded by an Australian Research Council discovery grant to YK and MK (DP130100845). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.