Product-line length, or variety, is a key competitive tool used by retailers to differentiate themselves from rivals …. Theoretical models of price and variety competition suggest that both store and product heterogeneity are key determinants of … price and variety strategies, but none test this hypothesis in a rigorous way. This study provides the first empirical …

are sometimes more likely to purchase a product from a small variety than a large variety. Some have suggested that this … variety, but there are also incentives inducing markets to provide an optimal variety. Advertising, retailer market power, and …

decrease because the merger reduces the variety of goods available to consumers. …

insights on how various factors affect the optimal level of assortment variety. We also develop a formal definition of the …

The effect of variety on consumer choice has been studied extensively, with some stream of literature showing the … conducted at a German retail chain, we test for variety during a price and display promotion. Participating stores either … include the full variety of products on the display or a reduced selection (low variety). Contrary to the literature on choice …

The effect of variety on consumer choice has been studied extensively, with some stream of literature showing the … conducted at a German retail chain, we test for variety during a price and display promotion. Participating stores either … include the full variety of products on the display or a reduced selection (low variety). Contrary to the literature on choice …

access through product quality, variety, safety and other attributes of their food products. Product and process innovation …