Using Selective Sampling for Binary Choice Models to Reduce Survey Costs
Bas Donkers (),
Philip Hans Franses and
Peter Verhoef ()
No ERS-2001-67-MKT, ERIM Report Series Research in Management from Erasmus Research Institute of Management (ERIM), ERIM is the joint research institute of the Rotterdam School of Management, Erasmus University and the Erasmus School of Economics (ESE) at Erasmus University Rotterdam
Marketing problems sometimes concern the analysis of dichotomous variables, like for example ``buy'' and ``not buy'' and ``respond'' and ``not respond''. It can happen that one outcome strongly outnumbers the other, for example when many households do not respond (to a direct mailing, for example). Standard econometric methods would imply the collection of many data to obtain precise estimates and this can be rather costly. To cut back costs, we propose to implement a non-random sampling scheme and to correct for the subsequent sample selection bias in the econometric model. In this paper we put forward the relevant method, which does not lead to a loss in precision. Our illustration suggests an opportunity to collect 60\\% less data points.
Keywords: Outcome-dependent sampling; binary outcomes; logit model; sample size; survey design (search for similar items in EconPapers)
JEL-codes: C19 C44 M M31 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ems:eureri:131
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