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A comment on ‘growth and inequality in public good provision’: Testing the robustness and generalizability of dynamic public good games

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  • Roggenkamp, Hauke

Abstract

I revisit the dynamic public goods game by Gächter et al. (2017) that captures temporal interdependencies in cooperation. I first reproduce parts of the original analysis and find only minor and inconsequential discrepancies. Using both a student and a more representative sample, I then replicate findings about growth and inequality in public good provision. Finally, I examine whether the robustness of results also translates into generalizability. Specifically, I test whether behavior in this experimentally-induced social dilemma predicts real climate action through voluntary carbon offsetting. Despite the game’s enhanced ecological validity through temporal interdependencies, I find no correlation between game behavior and climate action in either sample. This suggestive evidence indicates that laboratory paradigms, even when incorporating key real-world features, may better serve to isolate specific behavioral mechanisms than predict field behavior.

Suggested Citation

  • Roggenkamp, Hauke, 2025. "A comment on ‘growth and inequality in public good provision’: Testing the robustness and generalizability of dynamic public good games," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 115(C).
  • Handle: RePEc:eee:soceco:v:115:y:2025:i:c:s2214804324001708
    DOI: 10.1016/j.socec.2024.102333
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