Nudging Climate Change Mitigation: A Laboratory Experiment with Inter-Generational Public Goods

36 Pages Posted: 30 Jan 2020

See all articles by Robert Böhm

Robert Böhm

RWTH Aachen University

Özgür Gürerk

University of Erfurt - Economics, Law, and Social Sciences

Thomas Lauer

University of Cologne

Date Written: November 21, 2019

Abstract

To avoid the dangerous consequences of climate change, humans need to overcome two intertwined conflicts. First, they have to deal with an intra-generational conflict that emerges from the allocation of costs of climate change mitigation among different actors of the current generation. Second, they face an inter-generational conflict that stems from the higher costs for long-term mitigation measures, particularly helping future generations, compared to the short-term actions aimed at adapting to the immediate effects of climate change, benefiting mostly the current generation. We devise a novel game to study this multi-level conflict and investigate individuals’ behavior in a lab experiment. We find that, although individuals reach sufficient cooperation levels to avoid adverse consequences for their own generation, they contribute more to cheaper short-term than to costlier long-term measures, to the detriment of future generations. Simple “nudge” interventions, however, may alter this pattern considerably. We find that changing the default contribution level to the inter-generational welfare optimum increases long-term contributions. Moreover, providing individuals with the possibility to commit themselves to inter-generational solidarity leads to an even stronger increase in long-term contributions. Nevertheless, the results also suggest that nudges alone may not be enough to induce intergenerationally optimal contributions.

Keywords: climate change, experiment, social dilemma, inter-generational, nudging

JEL Classification: C9, D6, D8, H2, H4

Suggested Citation

Böhm, Robert and Gürerk, Özgür and Lauer, Thomas, Nudging Climate Change Mitigation: A Laboratory Experiment with Inter-Generational Public Goods (November 21, 2019). Available at SSRN: https://ssrn.com/abstract=3516677 or http://dx.doi.org/10.2139/ssrn.3516677

Robert Böhm (Contact Author)

RWTH Aachen University ( email )

Templergraben 55
52056 Aachen, 52056
Germany

Özgür Gürerk

University of Erfurt - Economics, Law, and Social Sciences ( email )

Nordhaeuser Str. 63
D - 99089 Erfurt
Germany

Thomas Lauer

University of Cologne ( email )

Albertus-Magnus-Platz
Cologne, 50923
Germany

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