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 …

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 …

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 …

market power. Two main results are shown. First, in the presence of buyer power trade liberalization may lead to retail … market concentration. Due to this concentration retail prices may be higher and welfare may be lower in free trade than in … autarky, thus reversing the standard effects of trade liberalization. Second, the pro-competitive effects of trade …

; the other is a market-making mode by which an intermediary offers a platform for buyers and sellers to trade with each …

Language is a strong and robust determinant of international trade patterns: Countries sharing a common language trade … that this trade-promoting effect of language is likely to reflect cultural ties, rather than lower costs of communication … local dialect between regions have a sizable and significant positive impact on intra-national trade. We interpret this …