Theories of exploratory behavior suggest that inertia and variety-seeking tendencies may coexist within the individual, implying that the same individual may exhibit inertia and variety-seeking at different times depending on his/her choice history. Past research has not allowed for such -consumer variability in these tendencies. The purpose of this study is to present a choice model that allows us to identify such “hybrid” behavior (i.e., a mixture of inertia and variety-seeking), and to distinguish hybrid behavior from simpler types of behavior such as pure inertia, pure variety-seeking and zero-order behavior. The model is estimated at the household level using panel data for three product classes, covering a total of 1069 households. The empirical analysis shows that more than half the households analyzed exhibited hybrid behavior rather than simpler types of behavior.brand switching, variety-seeking, inertia, purchase event feedback
The authors present a model of free sample effects and evidence from two field experiments on free samples. The model incorporates three potential effects of free samples on sales: (1) an acceleration effect, whereby consumers begin repeat purchasing of the sampled brand earlier than they otherwise would; (2) a cannibalization effect, which reduces the number of paid trial purchases of the brand; and (3) an expansion effect, which induces purchasing by consumers who would not consider buying the brand without a free sample. The empirical findings suggest that, unlike other consumer promotions such as coupons, free samples can produce measurable long-term effects on sales that can be observed as much as 12 months after the promotion. The data also show that the effectiveness of free sample promotions can vary widely, even between brands in the same product category. Application of the model to the data from the two experiments reveals that the magnitude of acceleration, cannibalization, and expansion effects varies substantially across the two free sample promotions. These and other findings suggest that the model can be a useful tool for obtaining insights into the nature of free sample promotions.free samples, samples, promotions, field experiments, incremental volume, coupons, incremental sales, sampling programs, consumer products, panel data, repeat purchasing, long-term effects
An assumption in prior research on deal-prone or coupon-prone buyers has been that buying on deal is influenced in part by a household's demographic characteristics. One implication is that households that are deal-prone or coupon-prone in one product class should be so in other product classes. The authors develop a model of coupon usage across product classes that explains why households might behave consistently in their coupon usage across product classes. Purchase data are analyzed across seven product classes for each household to test the hypothesis that coupon usage is not independent across product classes and to identify differences in demographic variables and purchasing behavior between coupon-prone and non-coupon-prone households.
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