Journal of the Academy of Marketing Science · 1999 · 90 citations · 22 references
Natural ResourcesAnthropologyStochastic ProcessesField Sampling DesignSampling DesignSampling MethodsSampling TechniquesSampling TheorySurvey SamplingEthnographic SamplingSamplingSampling Representativeness
22
Sample Selection Bias as a Specification Error
James J. Heckman · Econometrica · 1979 · 28.9K citations
Leslie M. Harris, Don A. Dillman · Journal of Marketing Research · 1979 · 1.4K citations
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