develop to explore the effect on sales at both the store level and the category level simultaneously. We apply our model to a …. Our results indicate that the reduction in assortment reduces overall store sales, a result that contrasts with that of …’s impact across categories suggests that managers compare select categories in order to moderate the overall loss in sales. …

This paper examines the relationship of 1987 retail grocery prices to supermarket sales concentration across 95 U …

and thus allow the frequency, magnitude and duration of sales to be analysed in greater detail than has hitherto been … possible with UK data. Using this price data, sales periods are indentified. Results show that around 8% of products are on … sale at any one time, and that sales are typically four weeks in duration. The average discount is 24% of the regular price …

market are low; price reductions and bargain sales are avoided by competitors. If the premium prices are compared with the …