Not-so-Classical Measurement Errors: A Validation Study of Homescan
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We report results from a validation study of Nielsen Homescan data. We use data from a large grocery chain to match thousands of individual transactions that were recorded by both the retailer (at the store) and the Nielsen Homescan panelist (at home). First, we report how often shopping trips are
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美国国家经济研究局创建时间：
2008-10-01
