منابع مشابه
Protest Bidders in Contingent Valuation
Protest bids are often excluded during analysis of contingent valuation method data. It is suggested that this procedure might introduce significant bias. Protest bids are often registered by respondents who may actually place a higheror lower-than-average value on the commodity in question but refuse to pay on the basis of ethical or other reasons, Exclusion of protest bids may therefore bias ...
متن کاملHandling Protest Responses in Contingent Valuation Surveys.
OBJECTIVES Protest responses, whereby respondents refuse to state the value they place on the health gain, are commonly encountered in contingent valuation (CV) studies, and they tend to be excluded from analyses. Such an approach will be biased if protesters differ from non-protesters on characteristics that predict their responses. The Heckman selection model has been commonly used to adjust ...
متن کاملProtest Beliefs and Responses in Contingent Valuation and Choice Experiments: A Comparison
In the literature it is suggested that the number of protest responses can depend on the valuation method. Choice Experiments (CE) are said to generate a lower number of protest responses than Contingent Valuation (CV). In a project about forest biodiversity both CE and CV were used and protest beliefs of all respondents irrespective of their willingness to pay determined. According to our anal...
متن کاملEstimating Bidders’ Valuation Distributions in Online Auctions
There is much active research into the design of automated bidding agents, particularly for environments that involve multiple decoupled auctions. These settings are complex partly because an agent’s strategy depends on information about other bidders’ interests. When bidders’ valuation distributions are not known ex ante, machine learning techniques can be used to approximate them from histori...
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ژورنال
عنوان ژورنال: Northeastern Journal of Agricultural and Resource Economics
سال: 1992
ISSN: 0899-367X
DOI: 10.1017/s0899367x00002683