亲社会行为
挤出效应
拥挤
代理(统计)
集合(抽象数据类型)
利他主义(生物学)
经济
比例(比率)
心理学
社会心理学
计量经济学
微观经济学
计算机科学
认知心理学
统计
数学
地理
货币经济学
程序设计语言
地图学
作者
Conny Wollbrant,Mikael Knutsson,Peter Martinsson
标识
DOI:10.1038/s41562-022-01293-y
摘要
The law of supply is a fundamental principle of economics and states that any increase in price will increase the quantity supplied. In the case of prosocial behaviour, however, increasing rewards have reduced supply, posing a challenge to standard economic theory. Attempts to study such 'crowding-out' have been limited by their small scale and the inherent difficulties posed by calibration of experimental tests. We analyse a large-scale natural experiment in the environmental domain consisting of 20,370 independent observations derived from aggregation of approximately 27 million individual decisions. We find that aggregate supply of prosocial behaviour is 's-shaped', demonstrating how attempts to increase prosocial behaviour using monetary rewards can be counter-productive. Our study shows that results derived from a small set of data points collected from an underlying s-shaped data-generating process are vulnerable to misinterpretation, and that proxy measures of intrinsic motivation ought to be collected to ensure theoretical advance.
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