Public Good Experiments with large Groups in a virtual laboratory
在虚拟实验室中进行大型团体的公益实验
基本信息
- 批准号:172700485
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2010
- 资助国家:德国
- 起止时间:2009-12-31 至 2014-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Public goods are often characterized by the fact that they need to be provided by large groups but that the return each agent receives for their contribution for the provision of the public good (as measured by the MPCR-marginal rate of substitution) is very small. It has not been possible to investigate this combination (large groups, small MPCR) in previous laboratory experiments on public goods because the MPCR is bounded from below by 1/N and the size of N (the number of subjects) is limited for several reasons. The aim of project WE 2027/10-1 is to, for the first time, carry out public goods experiments with large groups with small MPCRs under laboratory conditions. This is made possible by combining four separate laboratories into one large laboratory. Up until now the project has enabled us to successfully carry out experiments with groups of 8, 60, and 100 subjects and MPCRs of 0.25, 0.04 and 0.02. The results of this work have proved to be very interesting thus far and are partially presented in a first working paper. We observed, in particularly, a strong MPCR effect whilst group size has no noteworthy influence. A surprising result was that large groups of 100 subjects with an MPCR of 0.04 showed a very similar level of cooperation to small groups (N=8) with a large MPCR (0.25). A direct comparison of these two combinations is rather difficult, however, since both the group size and the MPCR parameters were varied. However, it is possible to say that there must be an interaction between group size and MPCR effect which has so far not been recognized. The aim of the projects continuation is to win additional insights into the interplay of these two effects through more experiments and a new design. With the experiments previously carried out regarding the purchasing of emissions rights a group of 60 subjects was used. There was a relatively stable and constant average contribution of 20-25% of the initial endowment. However, the contributions follow a different pattern than in the public goods experiments.
公益物的特点往往是,它们需要由大型集团提供,但每个代理人为提供公益物所作贡献得到的回报(按边际替代率衡量)非常小。在以前关于公共产品的实验室实验中,不可能研究这种组合(大群体,小MPCR),因为MPCR从下到上的界限是1/N,N的大小(受试者人数)受到几个原因的限制。WE 2027/10-1项目的目的是首次在实验室条件下,用小型MPCR对大型群体进行公共产品实验。这是通过将四个独立的实验室合并为一个大型实验室而实现的。到目前为止,该项目已使我们成功地进行了8组,60组和100组受试者的实验,MPCR分别为0.25,0.04和0.02。这项工作的结果迄今已证明是非常有趣的,并在第一份工作文件中部分介绍。 我们观察到,特别是,一个强大的MPCR效应,而组大小没有显着的影响。 令人惊讶的结果是,MPCR为0.04的100名受试者的大组显示出与MPCR较大(0.25)的小组(N=8)非常相似的合作水平。直接比较这两种组合是相当困难的,但是,因为组的大小和MPCR参数是不同的。然而,可以说,群体规模和MPCR效应之间一定存在相互作用,但迄今为止尚未认识到这一点。项目继续的目的是通过更多的实验和新的设计来获得对这两种效应相互作用的更多见解。与先前进行的实验有关的购买排放权的一组60名受试者被使用。有一个相对稳定和恒定的平均贡献的20-25%的初始捐赠。然而,贡献遵循不同的模式比在公共产品的实验。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr. Joachim Weimann其他文献
Professor Dr. Joachim Weimann的其他文献
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{{ truncateString('Professor Dr. Joachim Weimann', 18)}}的其他基金
Die Dynamik individueller Präferenzen in strategischen und nicht strategischen Spielen.
战略和非战略游戏中个人偏好的动态。
- 批准号:
213511955 - 财政年份:2012
- 资助金额:
-- - 项目类别:
Research Grants
Experimental investigation of international emission trading and employing the testbedding method
国际排污权交易的实验研究及试验台法
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5397804 - 财政年份:2003
- 资助金额:
-- - 项目类别:
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Experimentelle Untersuchungen zur Rolle von Kommunikation und Medien in Zwei-Personen Spielen
沟通和媒体在两人游戏中作用的实验研究
- 批准号:
5256500 - 财政年份:2000
- 资助金额:
-- - 项目类别:
Research Grants
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