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

Ola Andersson, Geoffrey Castillo and Erik Wengström

No 2024:8, Working Papers from Lund University, Department of Economics

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.

Keywords: ambiguity; risk; bingo blower; online experiment; experimental tools; randomization (search for similar items in EconPapers)
JEL-codes: C91 D81 (search for similar items in EconPapers)
Pages: 33 pages
Date: 2024-09-30
New Economics Papers: this item is included in nep-cbe, nep-exp and nep-upt
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Persistent link: https://EconPapers.repec.org/RePEc:hhs:lunewp:2024_008

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