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Are Two Cheap, Noisy Measures Better Than One Expensive, Accurate Onе?

Abstract:

Executive Summary 1. Survey responses are always subject to measurement error. In general surveys (and especially longitudinal surveys), there are severe constraints on the time that can be spent eliciting a less noisy response for any target variable. In this paper we consider when it may be better to consider multiple noisy measures of the target measure rather than improving the reliability of a single measure. 2. The Kotlarski result states that if the measurement errors in two measures o...

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Volume:
W09/01
Series:
IFS Working Papers
Publication date:
2009-01-05
URN:
uuid:2173d179-04c8-4e78-ad7b-607d2db33d9e
Local pid:
oai:economics.ouls.ox.ac.uk:14606
Language:
English

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