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The Virtual Bingo Blower: An open-source tool to generate ambiguity and risk in experiments

Author

Listed:
  • Andersson, Ola

    (Uppsala University, Department of Economics)

  • Castillo, Geoffrey

    (Nottingham Trent University)

  • Wengström, Erik

    (Department of Economics, Lund University)

Abstract

We propose the Virtual Bingo Blower (VBB) as a way to generate credible risk and ambiguity in computerized experiments. Using a physics engine—a computer simulation of a physical system—the VBB simulates a conventional bingo blower. Different aspects of the VBB, such as the number of balls, their color, and their speed, can be easily modified. In an online experiment, we measure ambiguity attitudes and vary the source of ambiguity, using either the VBB or natural events. We find that the VBB and natural events result in a similar degree of ambiguity aversion. Further, we find that, by manipulating the number of balls, the VBB can be used to manipulate the perceived level of ambiguity.

Suggested Citation

  • Andersson, Ola & Castillo, Geoffrey & Wengström, Erik, 2024. "The Virtual Bingo Blower: An open-source tool to generate ambiguity and risk in experiments," Working Papers 2024:8, Lund University, Department of Economics.
    • Handle: RePEc:hhs:lunewp:2024_008
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    More about this item

    Keywords

    ambiguity; risk; bingo blower; online experiment; experimental tools; randomization;
    All these keywords.

    JEL classification:

    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty

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