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Temporary price promotions, or sales, are common in many markets. Using retail scanner data, I find that manufacturers, not retailers, control the timing of sales, while retailers exercise some control over the magnitude of the price decrease. I also find that observed sale policy is more...
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I model multimarket competition when consumers value firm scope across markets. Such competition is surprisingly common - consumers in many industries prefer firms that operate in more geographic and/or product markets. I show that these preferences permit firms of differing scopes to coexist in...
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The relationship between gasoline prices and the demand for vehicle fuel efficiency is important for environmental policy but poorly understood in the academic literature. We provide empirical evidence that automobile manufacturers price as if consumers respond to gasoline prices. We derive a...
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We characterize the evolution of markups for consumer products in the United States from 2006 to 2019. We use detailed data on prices and quantities for products in more than 100 distinct product categories to estimate demand systems with flexible consumer preferences. We recover markups under...
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Information frictions play a key role in an array of economic activities and are frequently incorporated into formal models as search costs. However, little is known about the underlying source of consumer search costs and how heterogeneous they are across consumers and markets. This paper...
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