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71.
In a split sample design, we examine how the number of choice sets, design of the first choice set (context dependence), and
the choice of attribute levels in the cost attribute affect the precision in the elicited preferences in otherwise completely
identical choice experiment surveys. These issues are investigated for Swedish households’ marginal willingness to pay to
reduce power outages. Our results indicate that neither the number of choice sets nor the design of the first choice set has
a significant impact on estimated marginal willingness to pay, while the effect was significant for the additive scaling of
the cost vector. At the end of the article we discuss the implications of our results on future developments and applications
of choice experiments.
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72.
Does context matter more for hypothetical than for actual contributions? Evidence from a natural field experiment 总被引:2,自引:1,他引:1
Francisco Alpizar Fredrik Carlsson Olof Johansson-Stenman 《Experimental Economics》2008,11(3):299-314
We investigated the importance of the social context for people’s voluntary contributions to a national park in Costa Rica,
using a natural field experiment. Some subjects make actual contributions while others state their hypothetical contribution.
Both the degree of anonymity and information provided about the contributions of others influence subject contributions in
the hypothesized direction. We found a substantial hypothetical bias with regard to the amount contributed. However, the influence
of the social contexts is about the same when the subjects make actual monetary contributions as when they state their hypothetical
contributions. Our results have important implications for validity testing of stated preference methods: a comparison between
hypothetical and actual behavior should be done for a given social context.
相似文献
73.
We investigate whether employers avoid hiring workers who live in neighborhoods with low socio-economic status and/or with long commuting times. In a large-scale field experiment in the Swedish labor market, we sent more than 4,000 fictitious résumés, with randomly assigned information about the applicants' residential locations, to firms with advertised vacancies. Our findings show that commuting time has a negative effect on the likelihood of being contacted by an employer, while the socio-economic status of a neighborhood does not appear to be important. These results offer guidance for policymakers who are responsible for reversing segregation patterns. 相似文献