NUDGING THE FOOD BASKET GREEN: THE EFFECTS OF COMMITMENT AND BADGES ON THE CARBON FOOTPRINT OF FOOD SHOPPING

Luca Panzone, Natasha Auch and Daniel Zizzo
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Natasha Auch: The Alan Turing Institute

No 652, Discussion Papers Series from University of Queensland, School of Economics

Abstract: We use an incentive-compatible experimental online supermarket to test the role of commitment and badges in reducing the carbon footprint of grocery shopping. In the experiment, some participants had the opportunity to voluntarily commit to a low carbon footprint basket before their online grocery shopping; while the commitment was forced upon other participants. We also study the impact of an online badge as a soft reward for the achievement of a low carbon footprint basket. Participants from the general population shopped over two weeks, with the experimental stimuli only in week 2; and received their shopping baskets and any unspent budget. Results indicate that requesting a commitment prior to entering the store leads to a reduction in carbon footprint of 8-9%. The online badge led to non-significant reductions in carbon footprint. Commitment mechanisms, either forced or voluntary, appear effective in motivating an environmental goal and search for low-carbon options, particularly in those accepting the commitment.

Keywords: sustainable consumption; commitment; field experiment; carbon footprint; food consumption. (search for similar items in EconPapers)
JEL-codes: C54 C93 D12 D91 Q18 Q56 (search for similar items in EconPapers)
Date: 2022-01-16
New Economics Papers: this item is included in nep-agr, nep-cbe, nep-ene, nep-env, nep-exp, nep-his and nep-pay
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Journal Article: Nudging the Food Basket Green: The Effects of Commitment and Badges on the Carbon Footprint of Food Shopping (2024)
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Persistent link: https://EconPapers.repec.org/RePEc:qld:uq2004:652

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