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Rebate rules in reward-based crowdfunding: Introducing the bid-cap rule

Author

Listed:
  • Fabian Gerstmeier
  • Yigit Oezcelik
  • Michel Tolksdorf

Abstract

We study the efficacy of rebates in reward-based crowdfunding, where a project is only realized when a funding goal is met, and only those who pledge at least a reservation price receive a reward. We propose and experimentally test two rebate rules against the all-or-nothing model. Firstly, we adapt the proportional rebate rule from threshold public good games to our rewardbased setting. Secondly, we develop the novel bid-cap rule. Here, pledges must only be paid up to a cap, which is determined ex-post such that the provision point is exactly met. Theoretically, the bid-cap rule induces weakly less variance in payments compared with the proportional rebate rule. In our experiment, both rebate rules induce higher pledges and increase the project realization rate in comparison to the all-or-nothing model. Further, we can confirm that the variance of payments is lower under the bid-cap rule compared with the proportional rebate rule

Suggested Citation

  • Fabian Gerstmeier & Yigit Oezcelik & Michel Tolksdorf, 2023. "Rebate rules in reward-based crowdfunding: Introducing the bid-cap rule," Working Papers 202304, University of Liverpool, Department of Economics.
    • Handle: RePEc:liv:livedp:202304
    as

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    File URL: https://www.liverpool.ac.uk/media/livacuk/schoolofmanagement/docs/ECON,WP,202304.pdf
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    References listed on IDEAS

    as
    1. Roland Strausz, 2017. "A Theory of Crowdfunding: A Mechanism Design Approach with Demand Uncertainty and Moral Hazard," American Economic Review, American Economic Association, vol. 107(6), pages 1430-1476, June.
    2. Crosetto, Paolo & Regner, Tobias, 2018. "It's never too late: Funding dynamics and self pledges in reward-based crowdfunding," Research Policy, Elsevier, vol. 47(8), pages 1463-1477.
    3. Marks, Melanie & Croson, Rachel, 1998. "Alternative rebate rules in the provision of a threshold public good: An experimental investigation," Journal of Public Economics, Elsevier, vol. 67(2), pages 195-220, February.
    4. Joyee Deb & Aniko Oery & Kevin R. Williams, 2018. "Aiming for the Goal: Contribution Dynamics of Crowdfunding," Cowles Foundation Discussion Papers 2149R, Cowles Foundation for Research in Economics, Yale University, revised Jan 2021.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Crowdfunding; laboratory experiment; provision point mechanism; rebates;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
    • H41 - Public Economics - - Publicly Provided Goods - - - Public Goods

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