Blood donations as costly signals of donor quality
نویسندگان
چکیده
منابع مشابه
Blood Donations as Costly Signals of Donor Quality
This is the first empirical investigation of blood donations in evolutionary perspective. We examine blood donor and non-donor attitudes about health and injury risks, donor characteristics, and the social value of donor participation. We propose that blood donations may communicate qualities about donors to third parties. Observers may benefit from information about the donor’s health, value a...
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B1OOC1clono]-characteristics and types (JI' t)lt),l~! <!()]l:~ti :. ['111[{'(1slates-19i3.
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BACKGROUND The aim of this study was to describe donor satisfaction regarding different aspects of the new German blood donor questionnaire (BDQ) and to assess whether donor satisfaction is associated with the intention to return for further donations. METHODS A random number of 6,600 blood donors, donating at the German Red Cross Blood Service Baden-Wuerttemberg - Hessen, were asked to rate ...
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We study signaling environments with two features that are common in practice: first, complete-information bliss points are heterogeneous across different types of senders; second, receivers observe many choices by each sender, rather than a single decision. We prove that, ironically, a sufficiently large increase in the weight attached to signaling costs allows senders to signal their true typ...
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ژورنال
عنوان ژورنال: Journal of Evolutionary Psychology
سال: 2009
ISSN: 1789-2082,2060-5587
DOI: 10.1556/jep.7.2009.4.1