accounting for assortment adjustments of national brands (NBs) in retail stores. Using a detailed dataset on the U.S. beef market … variety. PL introduction and PL-driven assortment changes of NBs impose a small effect on NB prices. In contrast, PLs strongly … cannibalize NB demand, and the assortment changes help steer consumers toward PLs, which imposes large negative effects on NB …

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 … before the merger. While the low-variety target’s stores reduced the depth of their assortment when in direct competition …

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 … led the merging parties to reposition their assortment and increase average category prices. While the low-variety and low …