When buying wine, consumers often need to infer unobservable characteristics of the wines that are available. Product scarcity in the store can signal that the quality of a wine is high, either because the product is deemed exclusive (when scarcity is supply-caused) or because the product is...

Retailers need to decide on the content and structure of their product assortments, and thereby on the degree of variety that they offer to their customers. This paper compares measures of assortment variety and relates them to underlying variety components. We conceptualize assortment variety...