Argentesi, Elena; Buccirossi, Paolo; Cervone, Roberto; … - 2021
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 …