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Publications

Publications

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  • All HBS Web  (137)
    • Faculty Publications  (31)

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    • All HBS Web  (137)
      • Faculty Publications  (31)

      Competitive Equilibrium Remove Competitive Equilibrium →

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      • 2023
      • Working Paper

      Crowding in Private Quality: The Equilibrium Effects of Public Spending in Education

      By: Tahir Andrabi, Natalie Bau, Jishnu Das, Asim Ijaz Khwaja and Naureen Karachiwalla
      We estimate the equilibrium effects of a public-school grant program administered through school councils in Pakistani villages with multiple public and private schools and clearly defined catchment boundaries. The program was randomized at the village-level, allowing...  View Details
      Keywords: Product Differentiation; Public Sector; Private Sector; Spending; Education; Competition
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      Andrabi, Tahir, Natalie Bau, Jishnu Das, Asim Ijaz Khwaja, and Naureen Karachiwalla. "Crowding in Private Quality: The Equilibrium Effects of Public Spending in Education." NBER Working Paper Series, No. 30929, February 2023.
      • 2022
      • Working Paper

      Pricing Power in Advertising Markets: Theory and Evidence

      By: Matthew Gentzkow, Jesse M. Shapiro, Frank Yang and Ali Yurukoglu
      Existing theories of media competition imply that advertisers will pay a lower price in equilibrium to reach consumers who multi-home across competing outlets. We generalize and extend this theoretical result and test it using data from television and social media...  View Details
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      Gentzkow, Matthew, Jesse M. Shapiro, Frank Yang, and Ali Yurukoglu. "Pricing Power in Advertising Markets: Theory and Evidence." NBER Working Paper Series, No. 30278, July 2022.
      • July 2021
      • Article

      Outsourcing Tasks Online: Matching Supply and Demand on Peer-to-Peer Internet Platforms

      By: Zoë Cullen and Chiara Farronato
      We study the growth of online peer-to-peer markets. Using data from TaskRabbit, an expanding marketplace for domestic tasks at the time of our study, we show that growth varies considerably across cities. To disentangle the potential drivers of growth, we look...  View Details
      Keywords: Two-sided Market; Two-sided Platforms; Peer-to-peer Markets; Platform Strategy; Sharing Economy; Platform Growth; Internet and the Web; Digital Platforms; Strategy; Market Design; Network Effects
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      Cullen, Zoë, and Chiara Farronato. "Outsourcing Tasks Online: Matching Supply and Demand on Peer-to-Peer Internet Platforms." Management Science 67, no. 7 (July 2021).
      • 2021
      • Working Paper

      Competitive Two-Part Tariffs

      By: Jorge Tamayo and Guofu Tan
      We study competitive two-part tariffs in a model of asymmetric duopoly firms that offer (vertically and horizontally) differentiated products. We show that the sign of the markup for each product depends on the average expected demand among all customers as well as the...  View Details
      Keywords: Product Differentiation; Two-part Tariffs; Marginal-cost Pricing; Cross-subsidization; Competition; Price
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      Tamayo, Jorge, and Guofu Tan. "Competitive Two-Part Tariffs." Harvard Business School Working Paper, No. 21-089, March 2021. (R&R American Economic Journal: Microeconomics.)
      • 2021
      • Working Paper

      Dynamic Competition for Customer Memberships

      By: Cristian Chica and Jorge Tamayo
      A competitive two-period membership (subscription) market is analyzed. Two symmetric firms charge a “membership” fee that allows consumers to buy products or services at a given unit price for both periods. Firms can choose between long- or short-term memberships. When...  View Details
      Keywords: Competitive Price Discrimination; Membership; Dynamic Competition; Customers; Markets; Competition
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      Chica, Cristian, and Jorge Tamayo. "Dynamic Competition for Customer Memberships." Harvard Business School Working Paper, No. 21-091, March 2021. (R&R Journal of Economics & Management Strategy.)
      • January 2021
      • Article

      Chain Stability in Trading Networks

      By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp
      We show that in general trading networks with bilateral contracts, a suitably adapted chain stability concept (Ostrovsky, 2008) is equivalent to stability (Hatfield and Kominers, 2012; Hatfield et al., 2013) if all agents' preferences are fully substitutable and...  View Details
      Keywords: Matching; Trading Networks; Chain Stability; Stability; Competitive Equilibria; Full Substitutability; Laws Of Aggregate Supply And Demand; Contracts; Market Design; Balance and Stability
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      Hatfield, John William, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky, and Alexander Westkamp. "Chain Stability in Trading Networks." Theoretical Economics 16, no. 1 (January 2021): 197–234.
      • August 2020
      • Article

      Lone Wolves in Competitive Equilibria

      By: Ravi Jagadeesan, Scott Duke Kominers and Ross Rheingans-Yoo
      This paper develops a class of equilibrium-independent predictions of competitive equilibrium with indivisibilities. Specifically, we prove an analogue of the “Lone Wolf Theorem” of classical matching theory, showing that when utility is perfectly transferable, any...  View Details
      Keywords: Indivisibilities; Matching; Lone Wolf Theorem; Marketplace Matching; Theory
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      Jagadeesan, Ravi, Scott Duke Kominers, and Ross Rheingans-Yoo. "Lone Wolves in Competitive Equilibria." Social Choice and Welfare 55, no. 2 (August 2020): 215–228.
      • November 2019
      • Other Article

      Corrigendum to "Multilateral Matching"

      By: Keisuke Bando, Toshiyuki Hirai, John William Hatfield and Scott Duke Kominers
      We identify an error in the claim by Hatfield and Kominers (2015) that every stable outcome in the setting of multilateral matching with contracts is efficient. We then show that the result can be recovered under a suitable differentiability condition.  View Details
      Keywords: Matching; Stability; Competitive Equilibrium; Networks; Joint Ventures; Balance and Stability
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      Bando, Keisuke, Toshiyuki Hirai, John William Hatfield, and Scott Duke Kominers. Corrigendum to "Multilateral Matching". Art. 104933. Journal of Economic Theory 184 (November 2019).
      • 2021
      • Working Paper

      Consumer Inertia and Market Power

      By: Alexander MacKay and Marc Remer
      We study the pricing decision of firms in the presence of consumer inertia. Inertia, which can arise from habit formation, brand loyalty, and switching costs, generates dynamic pricing incentives. These incentives mediate the impact of competition on market power in...  View Details
      Keywords: Consumer Inertia; Market Power; Dynamic Competition; Demand Estimation; Consumer Behavior; Markets; Performance; Competition; Price
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      MacKay, Alexander, and Marc Remer. "Consumer Inertia and Market Power." Harvard Business School Working Paper, No. 19-111, April 2019. (Revised January 2022. Direct download.)
      • 2017
      • Working Paper

      Lone Wolves in Competitive Equilibria

      By: Ravi Jagadeesan, Scott Duke Kominers and Ross Rheingans-Yoo
      This paper develops a class of equilibrium-independent predictions of competitive equilibrium with indivisibilities. Specifically, we prove an analogue of the “Lone Wolf Theorem” of classical matching theory, showing that when utility is perfectly transferable, any...  View Details
      Keywords: Indivisibilities; Matching; Lone Wolf Theorem; Marketplace Matching; Theory
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      Jagadeesan, Ravi, Scott Duke Kominers, and Ross Rheingans-Yoo. "Lone Wolves in Competitive Equilibria." Harvard Business School Working Paper, No. 18-055, January 2018.
      • Article

      Multilateral Matching

      By: John William Hatfield and Scott Duke Kominers
      We introduce a matching model in which agents engage in joint ventures via multilateral contracts. This approach allows us to consider production complementarities previously outside the scope of matching theory. We show analogues of the first and second welfare...  View Details
      Keywords: Matching; Stability; Competitive Equilibrium; Core; Networks; Competition; Joint Ventures; Balance and Stability; Groups and Teams; Entrepreneurship
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      Hatfield, John William, and Scott Duke Kominers. "Multilateral Matching." Journal of Economic Theory 156 (March 2015): 175–206.
      • February 2015
      • Article

      Location Choices under Strategic Interactions

      By: Juan Alcacer, Cristian Dezso and Minyuan Zhao
      The literature on location choices has mostly emphasized the impact of location and firm characteristics. However, most industries with a significant presence of multi-location firms are oligopolistic in nature, which suggests that strategic interaction among firms...  View Details
      Keywords: Location Strategies; Multinational Strategy; Oligopolistic Competition; Firm Heterogeneity; Geographic Location; Multinational Firms and Management; Balance and Stability; Decision Choices and Conditions; Game Theory
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      Alcacer, Juan, Cristian Dezso, and Minyuan Zhao. "Location Choices under Strategic Interactions." Strategic Management Journal 36, no. 2 (February 2015): 197–215.
      • January 2015
      • Article

      Competing with Privacy

      By: Ramon Casadesus-Masanell and Andres Hervas-Drane
      We analyze the implications of consumer privacy for competition in the marketplace. We consider a market where firms set prices and disclosure levels for consumer information, and consumers observe both before deciding which firm to patronize and how much information...  View Details
      Keywords: Information Acquisition; Information Disclosure; Online Privacy; Privacy Regulation; Information; Rights; Internet and the Web; Competition; Internet and the Web; Corporate Disclosure; Ethics; Knowledge Acquisition
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      Casadesus-Masanell, Ramon, and Andres Hervas-Drane. "Competing with Privacy." Management Science 61, no. 1 (January 2015): 229–246.
      • 2015
      • Chapter

      Negotiations: Statistical Aspects

      By: James K. Sebenius
      'Negotiation analysis' seeks to develop prescriptive theory and useful advice for negotiators and third parties. It generally emphasizes the parties' underlying interests, alternatives to negotiated agreement, approaches to productively manage the inherent tension...  View Details
      Keywords: Negotiation Preparation; Negotiation Tactics; Negotiation Participants
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      Sebenius, James K. "Negotiations: Statistical Aspects." In International Encyclopedia of the Social & Behavioral Sciences. 2nd ed. Edited by James D. Wright, 430–436. London: Elsevier, 2015.
      • June–July 2013
      • Article

      Firm Rivalry, Knowledge Accumulation, and MNE Location Choices

      By: Juan Alcacer, Cristian Deszo and Minyuan Zhao
      The international business (IB) literature has mostly emphasized the impact of location and firm characteristics on location choices. However, industries with a significant presence of multinational enterprises (MNEs) are oligopolistic in nature, which suggests that...  View Details
      Keywords: Geographic Location; Competition; Multinational Firms and Management; Knowledge Acquisition; Game Theory; Global Strategy
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      Alcacer, Juan, Cristian Deszo, and Minyuan Zhao. "Firm Rivalry, Knowledge Accumulation, and MNE Location Choices." Special Issue on The Multinational in Geographic Space. Journal of International Business Studies 44, no. 5 (June–July 2013): 504–520.
      • March–April 2013
      • Article

      Vaporware, Suddenware and Trueware: New Product Preannouncements under Market Uncertainty

      By: Elie Ofek and Ozge Turut
      A firm may want to preannounce its plans to develop a new product in order to stimulate future demand. But given that such communications can affect rivals' incentives to develop the same new product, a firm may decide to preannounce untruthfully in order to deter...  View Details
      Keywords: Risk and Uncertainty; Announcements; Competition; Product Launch; Product Development
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      Ofek, Elie, and Ozge Turut. "Vaporware, Suddenware and Trueware: New Product Preannouncements under Market Uncertainty." Marketing Science 32, no. 2 (March–April 2013): 342–355.
      • Article

      Stability and Competitive Equilibrium in Trading Networks

      By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp
      We introduce a model in which agents in a network can trade via bilateral contracts. We find that when continuous transfers are allowed and utilities are quasi-linear, the full substitutability of preferences is sufficient to guarantee the existence of stable outcomes...  View Details
      Keywords: Balance and Stability; Markets
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      Hatfield, John William, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky, and Alexander Westkamp. "Stability and Competitive Equilibrium in Trading Networks." Journal of Political Economy 121, no. 5 (October 2013): 966–1001.
      • Article

      Stability and Competitive Equilibrium in Matching Markets with Transfers

      By: John William Hatfield and Scott Duke Kominers
      This note surveys recent work in generalized matching theory, focusing on trading networks with transferable utility. In trading networks with a finite set of contractual opportunities, the substitutability of agents’ preferences is essential for the guaranteed...  View Details
      Keywords: Matching; Networks; Joint Ventures; Stability; Competitive Equilibrium; Core; Efficiency; Economics; Theory
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      Hatfield, John William, and Scott Duke Kominers. "Stability and Competitive Equilibrium in Matching Markets with Transfers." ACM SIGecom Exchanges 10, no. 3 (December 2011).
      • Article

      Product Positioning in a Two-Dimensional Vertical Differentiation Model: The Role of Quality Costs

      By: Dominique Lauga and Elie Ofek
      We study a duopoly model where consumers are heterogeneous with respect to their willingness to pay for two product characteristics and marginal costs are increasing with the quality level chosen on each attribute. We show that while firms seek to manage competition...  View Details
      Keywords: Duopoly and Oligopoly; Customers; Quality; Product Positioning; Competition; Management; Cost; Product
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      Lauga, Dominique, and Elie Ofek. "Product Positioning in a Two-Dimensional Vertical Differentiation Model: The Role of Quality Costs." Marketing Science 30, no. 5 (September–October 2011).
      • 2010
      • Working Paper

      Competing Complements

      By: Ramon Casadesus-Masanell, Barry Nalebuff and David B. Yoffie
      In Cournot's model of complements, the producers of A and B are both monopolists. This paper extends Cournot's model to allow for competition between complements on one side of the market. Consider two complements, A and B, where the A + B bundle is valuable only when...  View Details
      Keywords: Profit; Revenue; Monopoly; Game Theory; Competition
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      Casadesus-Masanell, Ramon, Barry Nalebuff, and David B. Yoffie. "Competing Complements." Harvard Business School Working Paper, No. 09-009, July 2008. (Revised March 2010.)
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