We propose a framework for analyzing spatial competition between retailers of different formats. Our approach yields … construct ad hoc price indices. Using data from the supermarket industry, we evaluate two representative mergers. Contrary to … conventional wisdom, we find substantial cross-format competition between supercenters, club stores, and traditional grocers. Our …

before the merger. While the low-variety target's stores reduced the depth of their assortment when in direct competition … chains’ response to changes in local competition. …

led the merging parties to reposition their assortment and increase average category prices. While the low-variety and low-price … target’s stores reduced the depth of their assortment when in direct competition with the acquirer’s stores, the latter … offerings in order to avoid cannibalization and lessen local competition. Further, we show that other dimensions of …

led the merging parties to reposition their assortment and increase average category prices. While the low-variety and low-price … target’s stores reduced the depth of their assortment when in direct competition with the acquirer's stores, the latter … offerings in order to avoid cannibalization and lessen local competition. Further, we show that other dimensions of …