Using crowdsourced online experiments to study context-dependency of behavior |
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Institution: | 1. School of Mathematical Sciences, Shandong Normal University, Jinan, Shandong Province 250014, China;2. Department of Mathematics, University of South Carolina, Columbia, SC 29208, USA;1. EBS Business School, Gustav-Stresemann-Ring 3, 65189 Wiesbaden, Germany;2. Friedrich-Alexander-University (FAU) Erlangen-Nuremberg, Lange Gasse 20, 90403 Nuremberg, Germany;3. Deutsche Börse AG, Mergenthalerallee 61, 65760 Eschborn, Germany |
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Abstract: | We use Mechanical Turk's diverse participant pool to conduct online bargaining games in India and the US. First, we assess internal validity of crowdsourced experimentation through variation of stakes ($0, $1, $4, and $10) in the Ultimatum and Dictator Game. For cross-country equivalence we adjust the stakes following differences in purchasing power. Our marginal totals correspond closely to laboratory findings. Monetary incentives induce more selfish behavior but, in line with most laboratory findings, the particular size of a positive stake appears irrelevant. Second, by transporting a homogeneous decision situation into various living conditions crowdsourced experimentation permits identification of context effects on elicited behavior. We explore context-dependency using session-level variation in participants' geographical location, regional affluence, and local social capital. Across “virtual pools” behavior varies in the range of stake effects. We argue that quasi-experimental variation of the characteristics people bring to the experimental situation is the key potential of crowdsourced online designs. |
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Keywords: | Context effects Cross-country equivalence Dictator game Mechanical Turk Raising the stakes Ultimatum game |
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