While competition between firms producing substitutes is well understood, less is known about rivalry between complementors. We study the interaction between firms in markets with one-way essential complements. One good is essential to the use of the other but not vice versa, as arises with an...

We examine retail and wholesale prices for a large supermarket chain over seven and one-half years. We find that prices fall on average during seasonal demand peaks for a product, largely due to changes in retail margins. Retail margins for specific goods fall during peak demand periods for that...

In a competitive marketplace, the effectiveness of any element of the marketing mix is determined not only by its absolute value, but its relative value with respect to the competition. For example, the effectiveness of a price cut in increasing demand is critically related to competitors'...

The impact of a firm's strategic marketing mix choices on profitability can be evaluated by understanding the impact of those choices on consumer demand for the firm's products and on the firm's costs. Additionally, a firm's strategic marketing mix choices, and its demand and costs can be...