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The Effect of Mergers on Variety in Grocery Retailing

Elena Argentesi, Paolo Buccirossi, Roberto Cervone, Tomaso Duso () and Alessia Marrazzo

No 9137, CESifo Working Paper Series from CESifo

Abstract: We study the effect of a merger between two Dutch supermarket chains to assess its effect on the depth as well as composition of assortment. We adopt a difference-in-differences strategy that exploits local variation in the merger’s effects, controlling for selection on observables through a matching procedure when defining our control group. We show that the merger led 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 with the acquirer, the latter increased their assortment. This suggests that variety is a strategic variable in retail chains’ response to changes in local competition.

Keywords: variety; assortment; mergers; ex-post evaluation; retail sector; supermarkets; grocery (search for similar items in EconPapers)
JEL-codes: C23 D22 K21 L10 L41 L66 L81 (search for similar items in EconPapers)
Date: 2021
New Economics Papers: this item is included in nep-com, nep-ind, nep-law and nep-ure
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3) Track citations by RSS feed

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Journal Article: The effect of mergers on variety in grocery retailing (2021) Downloads
Working Paper: The Effect of Mergers on Variety in Grocery Retailing (2021) Downloads
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