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Keywords: Self-reported purchase data
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Journal Articles
European Journal of Marketing (2017) 51 (7-8): 1440–1459.
Published: 11 July 2017
.... Negative binomial distribution Category purchase metrics Response errors Self-reported purchase data Buyers purchase packaged goods categories at different rates following a negative binomial distribution (NBD) that is notable for its “reverse J” shape consisting of many lighter buyers and a few...

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