Understanding Consumer Reactions to Assortment Unavailability
Understanding Consumer Reactions to Assortment Unavailability
Understanding Consumer Reactions to Assortment Unavailability
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therefore might question the existence of a long-run negative sales effect of an assortment<br />
reduction.<br />
To summarize our <strong>to</strong>tal discussion of these expected sales effects, we offer Figure 4.1,<br />
which clearly shows the expected sales effect among different groups of category buyers.<br />
Figure 4.1: Expected sales effects of an assortment reduction among different groups of<br />
buyers<br />
GROUP OF<br />
CUSTOMERS<br />
Former Buyers<br />
Nondelisted Items<br />
Former Buyers<br />
Nondelisted Items<br />
New<br />
Buyers<br />
4.4 Research methodology<br />
4.4.1 Data<br />
Postponement<br />
Item Switch<br />
S<strong>to</strong>re Switch<br />
BEHAVIOR EXPECTED EFFECT<br />
We analyze cus<strong>to</strong>mer loyalty card data <strong>to</strong> measure the effect of the assortment reduction on<br />
category sales. Data on household purchases is available for two s<strong>to</strong>res in which the assortment<br />
reduction actually <strong>to</strong>ok place and two control s<strong>to</strong>res in which the assortment remained<br />
unchanged. These control s<strong>to</strong>res are essential <strong>to</strong> distinguish between the effects of the delisting<br />
and other exogenous changes in sales. The selected s<strong>to</strong>res are geographically quite far apart, so it<br />
is unlikely that a household will visit more than one s<strong>to</strong>re in our sample.<br />
99<br />
Item<br />
Switch<br />
S<strong>to</strong>re<br />
Switch<br />
No Sales Effect<br />
Initial Negative Sales<br />
Effect,<br />
Initial Negative Sales<br />
Effect,<br />
No Sales Effect<br />
Negative Sales Effect<br />
Positive Sales Effect