before the merger. While the low-variety target's stores reduced the depth of their assortment when in direct competition … composition of assortment. We adopt a difference-in-differences strategy that exploits local variation in the merger's effects … the merging parties to reposition their assortment to avoid cannibalization in the areas where they directly competed …

.S. metropolitan areas. The regression model incorporates a large number of population, retail-cost, and retail competition factors and … find that small grocery stores provide no grocery price competition for supermarkets. However, branded grocery prices are …

-price target’s stores reduced the depth of their assortment when in direct competition with the acquirer’s stores, the latter …Assortment decisions are key strategic instruments for firms responding to local market conditions. We assess this … well as composition of assortment. We adopt a difference-in-differences strategy that exploits local variation in the …