How Social Processes Distort Measurement: The Impact of Survey Nonresponse on Estimates of Volunteer Work
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Estimates of volunteering in the United States vary greatly from survey to survey and do not show the decline over time common to other measures of social capital. We argue that these anomalies are caused by the social processes that determine survey participation, in particular the propensity of
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美国国家经济研究局创建时间：
2008-06-01
