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      • Faculty Publications  (124)

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      • May 2023
      • Article

      Competition in Pricing Algorithms

      By: Zach Y. Brown and Alexander J. MacKay
      We document new facts about pricing technology using high-frequency data, and we examine the implications for competition. Some online retailers employ technology that allows for more frequent price changes and automated responses to price changes by rivals. Motivated...  View Details
      Keywords: Pricing Algorithms; Pricing Frequency; Commitment; Online Competition; Price; Information Technology; Competition
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      Brown, Zach Y., and Alexander J. MacKay. "Competition in Pricing Algorithms." American Economic Journal: Microeconomics 15, no. 2 (May 2023): 109–156.
      • November 23, 2022
      • Article

      The Sinister Logic of Hidden Online Fees

      By: Michael Luca
      Keywords: Consumer Behavior; E-commerce; Price
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      Luca, Michael. "The Sinister Logic of Hidden Online Fees." Wall Street Journal (online) (November 23, 2022).
      • November–December 2022
      • Article

      The Value of Descriptive Analytics: Evidence from Online Retailers

      By: Ron Berman and Ayelet Israeli
      Does the adoption of descriptive analytics impact online retailer performance, and if so, how? We use the synthetic difference-in-differences method to analyze the staggered adoption of a retail analytics dashboard by more than 1,500 e-commerce websites, and we find an...  View Details
      Keywords: Descriptive Analytics; Big Data; Synthetic Control; E-commerce; Online Retail; Difference-in-differences; Martech; Internet and the Web; Analytics and Data Science; Performance; Marketing; Retail Industry
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      Berman, Ron, and Ayelet Israeli. "The Value of Descriptive Analytics: Evidence from Online Retailers." Marketing Science 41, no. 6 (November–December 2022): 1074–1096.
      • October 2022
      • Article

      It’s Not Just the Prices: Time-Driven Activity-Based Costing for Initiation of Veno-Venous Extracorporeal Membrane Oxygenation at Three International Sites—A Case Review

      By: Michael Nurok, Vin Pellegrino, Marc Pineton de Chambrun, Jonathan Warsh, Meredith Young, Erik Dong, Neil Parrish, Syed Shehab, Alain Combes and Robert S. Kaplan
      The United States spends more for intensive care units (ICUs) than do other high-income countries. We used time-driven activity-based costing (TDABC) to analyze ICU costs for initiation of extracorporeal membrane oxygenation (ECMO) for respiratory failure to estimate...  View Details
      Keywords: Healthcare; Cost; Time-Driven ABC; Health Care and Treatment; Cost Management; Activity Based Costing and Management; Health Industry
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      Nurok, Michael, Vin Pellegrino, Marc Pineton de Chambrun, Jonathan Warsh, Meredith Young, Erik Dong, Neil Parrish, Syed Shehab, Alain Combes, and Robert S. Kaplan. "It’s Not Just the Prices: Time-Driven Activity-Based Costing for Initiation of Veno-Venous Extracorporeal Membrane Oxygenation at Three International Sites—A Case Review." Anesthesia & Analgesia 135, no. 4 (October 2022): 711–718.
      • September–October 2022
      • Article

      Should Your Company Sell on Amazon?: Reach Comes at a Price

      By: Ayelet Israeli, Leonard A. Schlesinger, Matt Higgins and Sabir Semerkant
      Selling on Amazon allows brands to reach millions of consumers—but that exposure comes with costs. They include smaller margins, more competition, the risk of commoditization, and less knowledge about customers. In this article, the authors present a scorecard to...  View Details
      Keywords: Retail; Retailing; Online Business; Ecommerce; E-commerce; E-Commerce Strategy; Omnichannel Retail; Omnichannel Retailing; Amazon; Amazon.com; Sales; Digital Marketing; Internet and the Web; Business Model; Retail Industry; Consumer Products Industry; Fashion Industry; Advertising Industry; Battery Industry; Apparel and Accessories Industry; Beauty and Cosmetics Industry; Distribution Industry; Electronics Industry; Food and Beverage Industry; United States
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      Israeli, Ayelet, Leonard A. Schlesinger, Matt Higgins, and Sabir Semerkant. "Should Your Company Sell on Amazon? Reach Comes at a Price." Harvard Business Review 100, no. 5 (September–October 2022): 38–46.
      • 2022
      • Working Paper

      Algorithmic Assortment Curation: An Empirical Study of Buybox in Online Marketplaces

      By: Santiago Gallino, Nil Karacaoglu and Antonio Moreno
      Most online sales worldwide take place in marketplaces that connect sellers and buyers. The presence of numerous third-party sellers leads to a proliferation of listings for each product, making it difficult for customers to choose between the available options. Online...  View Details
      Keywords: Algorithms; E-commerce; Sales; Digital Marketing; Internet and the Web; Customer Satisfaction
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      Gallino, Santiago, Nil Karacaoglu, and Antonio Moreno. "Algorithmic Assortment Curation: An Empirical Study of Buybox in Online Marketplaces." Working Paper, September 2022.
      • 2022
      • Article

      Dynamic Pricing Algorithms, Consumer Harm, and Regulatory Response

      By: Alexander MacKay and Samuel N. Weinstein
      Pricing algorithms are rapidly transforming markets, from ride-sharing apps, to air travel, to online retail. Regulators and scholars have watched this development with a wary eye. Their focus so far has been on the potential for pricing algorithms to facilitate...  View Details
      Keywords: Competition Policy; Regulation; Algorithmic Pricing; Dynamic Pricing; Economics; Law And Economics; Law And Regulation; Consumer Protection; Antitrust Law; Industrial Organization; Antitrust Issues And Policies; Technological Change: Choices And Consequences; Competition; Policy; Price; Governing Rules, Regulations, and Reforms; Microeconomics; Duopoly and Oligopoly; Law
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      MacKay, Alexander, and Samuel N. Weinstein. "Dynamic Pricing Algorithms, Consumer Harm, and Regulatory Response." Washington University Law Review 100, no. 1 (2022): 111–174. (Direct download.)
      • September 2022 (Revised November 2022)
      • Teaching Note

      PittaRosso: Artificial Intelligence-Driven Pricing and Promotion

      By: Ayelet Israeli
      Teaching Note for HBS Case No. 522-046.  View Details
      Keywords: Artificial Intelligence; Pricing; Pricing Algorithm; Pricing Decisions; Pricing Strategy; Pricing Structure; Promotion; Promotions; Online Marketing; Data-driven Decision-making; Data-driven Management; Retail; Retail Analytics; Price; Advertising Campaigns; Analytics and Data Science; Analysis; Digital Marketing; Budgets and Budgeting; Marketing Strategy; Marketing; Transformation; Decision Making; AI and Machine Learning; Retail Industry; Italy
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      Israeli, Ayelet. "PittaRosso: Artificial Intelligence-Driven Pricing and Promotion." Harvard Business School Teaching Note 523-020, September 2022. (Revised November 2022.)
      • July 7, 2022
      • Other Article

      Are Online Prices Higher Because of Pricing Algorithms?

      By: Zach Y. Brown and Alexander J. MacKay
      This article reviews recent work examining pricing strategies of major online retailers and the potential effects of pricing algorithms. We describe how pricing algorithms can lead to higher prices in a number of ways, even if some characteristics of these algorithms...  View Details
      Keywords: Pricing Algorithms; Online Marketplace; Digital Strategy; Internet and the Web; Retail Industry
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      Brown, Zach Y., and Alexander J. MacKay. "Are Online Prices Higher Because of Pricing Algorithms?" Brookings Series: The Economics and Regulation of Artificial Intelligence and Emerging Technologies (July 7, 2022).
      • July 2022
      • Teaching Note

      The DivaCup: Navigating Distribution and Growth

      By: Ayelet Israeli
      Teaching Note for HBS Case No. 519-055. When the mother-daughter founders of DivaCup set out with a mission to disrupt the menstrual care industry with an innovative product form, they initially struggled to gain legitimacy and convince retailers to carry their unique...  View Details
      Keywords: Female; Female Ceo; Female Entrepreneur; Female Protagonist; Health & Wellness; Healthcare; Price Policies; Minimum Advertised Price; Differentiation; Positioning; Growth; Health; Health Care and Treatment; Price; Disruption; Distribution; Distribution Channels; Competitive Strategy; Competition; Growth Management; Mission and Purpose; Product Development; Product Marketing; Product Launch; Product Positioning; Advertising; Business Startups; Internet and the Web; Entrepreneurship; Social Entrepreneurship; Social Issues; Social Enterprise; Retail Industry; Medical Devices and Supplies Industry; Manufacturing Industry; Health Industry; Green Technology Industry; Education Industry; Distribution Industry; Consumer Products Industry; Canada; United States; United Kingdom
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      Israeli, Ayelet. "The DivaCup: Navigating Distribution and Growth." Harvard Business School Teaching Note 523-008, July 2022.
      • March 2022
      • Teaching Note

      Farfetch: Digital Transformation for Luxury Brands

      By: Jill Avery and Sunil Gupta
      Teaching Note for HBS Case No. 522-051. Farfetch, a global luxury technology platform and digital marketplace had been surfing the wave of digital transformation in the luxury fashion industry since 2008. While the company’s stock price and market valuation had...  View Details
      Keywords: Brand Management; Retailing; Two Sided Markets; SaaS; Online Marketing; Marketing; Marketing Channels; Brands and Branding; Luxury; Digital Transformation; E-commerce; Digital Marketing; Retail Industry; Fashion Industry; London; United Kingdom; Portugal
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      Avery, Jill, and Sunil Gupta. "Farfetch: Digital Transformation for Luxury Brands." Harvard Business School Teaching Note 522-061, March 2022.
      • 2022
      • Working Paper

      Passive Ownership and Price Informativeness

      By: Marco Sammon
      I propose three new empirical measures of price informativeness motivated by a theoretical model. I find average price informativeness declined over the past 30 years and passive ownership is negatively correlated with price informativeness. To establish causality, I...  View Details
      Keywords: Passive Ownership; ETFs; Market Efficiency; Ownership; Price; Theory; Measurement and Metrics
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      Sammon, Marco. "Passive Ownership and Price Informativeness." Working Paper, September 2022.
      • 2022
      • Working Paper

      The Passive-Ownership Share Is Double What You Think It Is

      By: Alex Chinco and Marco Sammon
      We estimate that passive investors held 37.8% of the US stock market in 2020. This value comes from studying the closing volumes of index additions and deletions on reconstitution day. 37.8% is more than double the widely accepted previous estimate of 15%, which...  View Details
      Keywords: Indexing; Passive Investing; Exchange-traded Funds (ETFs); Russell Reconstitution Day; Trading Volume; Information-based Asset Pricing; Investment; Investment Funds; Asset Pricing
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      Chinco, Alex, and Marco Sammon. "The Passive-Ownership Share Is Double What You Think It Is." Working Paper, August 2022.
      • 2021
      • Working Paper

      Dynamic Pricing Algorithms, Consumer Harm, and Regulatory Response

      By: Alexander J. MacKay and Samuel Weinstein
      Pricing algorithms are rapidly transforming markets, from ride-sharing apps, to air travel, to online retail. Regulators and scholars have watched this development with a wary eye. Their focus so far has been on the potential for pricing algorithms to facilitate...  View Details
      Keywords: Competition Policy; Regulation; Algorithmic Pricing; Dynamic Pricing; Law And Economics; Law And Regulation; Consumer Protection; Competition; Policy; Price; Governing Rules, Regulations, and Reforms; Economics
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      MacKay, Alexander J., and Samuel Weinstein. "Dynamic Pricing Algorithms, Consumer Harm, and Regulatory Response." Harvard Business School Working Paper, No. 22-050, January 2022. (Direct download.)
      • December 2021 (Revised February 2022)
      • Case

      Bed Bath & Beyond: The New Strategy to Drive Shareholder Value

      By: Benjamin C. Esty and Daniel W. Fisher
      At one time, Bed Bath & Beyond was one of the most successful specialty retailers in the United States—its growth and profit margins far exceeded both peer retailers in the home goods market as well as many other discount retailers. But in 2014, its stock price peaked,...  View Details
      Keywords: Competitive Strategy; Competitive Advantage; Value Creation; Diversification; Corporate Governance; Leading Change; Performance Evaluation; Valuation; Investment Activism; Retail Industry; Consumer Products Industry; United States
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      Esty, Benjamin C., and Daniel W. Fisher. "Bed Bath & Beyond: The New Strategy to Drive Shareholder Value." Harvard Business School Case 722-408, December 2021. (Revised February 2022.)
      • November 2021 (Revised December 2022)
      • Case

      Farfetch: Digital Transformation for Luxury Brands

      By: Sunil Gupta, Jill Avery, Elena Corsi and Federica Gabrieli
      Farfetch, a global luxury technology platform and digital marketplace had been surfing the wave of digital transformation in the luxury fashion industry since 2008. While the company’s stock price and market valuation had fluctuated since its IPO in 2018, it had...  View Details
      Keywords: Digital Marketing; Marketplaces; Retailing; Internet Marketing; E-Commerce Strategy; Marketing; Marketing Strategy; Marketing Channels; Brands and Branding; Luxury; Growth and Development Strategy; Digital Transformation; E-commerce; Apparel and Accessories Industry; Beauty and Cosmetics Industry; Fashion Industry; Retail Industry; Web Services Industry; Technology Industry; United Kingdom; Europe; Portugal; China
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      Gupta, Sunil, Jill Avery, Elena Corsi, and Federica Gabrieli. "Farfetch: Digital Transformation for Luxury Brands." Harvard Business School Case 522-051, November 2021. (Revised December 2022.)
      • November 2021 (Revised December 2021)
      • Supplement

      PittaRosso (B): Human and Machine Learning

      By: Ayelet Israeli
      This case supplements the "PittaRosso: Artificial Intelligence-Driven Pricing and Promotion" case, and provides major highlights on what happened at the company since the first case.  View Details
      Keywords: Artificial Intelligence; Pricing; Pricing Algorithm; Pricing Decisions; Pricing Strategy; Pricing Structure; Promotion; Promotions; Online Marketing; Data-driven Decision-making; Data-driven Management; Retail; Retail Analytics; Price; Advertising Campaigns; Analytics and Data Science; Analysis; Digital Marketing; Budgets and Budgeting; Marketing Strategy; Marketing; Transformation; Decision Making; AI and Machine Learning; Retail Industry; Italy
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      Israeli, Ayelet. "PittaRosso (B): Human and Machine Learning." Harvard Business School Supplement 522-047, November 2021. (Revised December 2021.)
      • November 2021
      • Article

      Ratings, Reviews, and the Marketing of New Products

      By: Itay P. Fainmesser, Dominique Olié Lauga and Elie Ofek
      We study how user-generated content (UGC) about new products impacts a firm's advertising and pricing decisions and the effect on profits and market dynamics. We construct a two-period model where consumers value quality and are heterogeneous in their taste for the new...  View Details
      Keywords: Online Reviews; Product Ratings; Social Networks; Word Of Mouth; Pricing; User-generated Content; Advertising; Product Marketing; Price; Consumer Behavior; Product Positioning; Social Media
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      Fainmesser, Itay P., Dominique Olié Lauga, and Elie Ofek. "Ratings, Reviews, and the Marketing of New Products." Management Science 67, no. 11 (November 2021): 7023–7045.
      • October 2021 (Revised July 2022)
      • Case

      Engine No. 1: An Impact Investing Firm Engages with ExxonMobil

      By: Mark Kramer, Shawn Cole, Vikram S. Gandhi and T. Robert Zochowski
      ExxonMobil, the world's fifth largest source of carbon emissions, remained committed to aggressively expanding its oil & gas business despite global warming. During the COVID pandemic this strategy resulted in massive losses as the price and demand for oil declined. ...  View Details
      Keywords: Carbon Emissions; Global Warming; Impact Investment Funds; Hedge Fund Activism; Leadership Development; Business Model; Renewable Energy; Resource Allocation; Decision Choices and Conditions; Governing and Advisory Boards
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      Kramer, Mark, Shawn Cole, Vikram S. Gandhi, and T. Robert Zochowski. "Engine No. 1: An Impact Investing Firm Engages with ExxonMobil." Harvard Business School Case 222-028, October 2021. (Revised July 2022.)
      • October 2021 (Revised March 2022)
      • Supplement

      PittaRosso: Artificial Intelligence-Driven Pricing and Promotion

      By: Ayelet Israeli and Fabrizio Fantini
      PittaRosso, a traditional Italian shoe retailer, is implementing an AI system to provide pricing and promotion recommendations. The system allows them to implement changes that would affect both the top of funnel and bottom of funnel activities for the company: once...  View Details
      Keywords: Artificial Intelligence; Pricing; Pricing Algorithm; Pricing Decisions; Pricing Strategy; Pricing Structure; Promotion; Promotions; Online Marketing; Data-driven Decision-making; Data-driven Management; Retail; Retail Analytics; Price; Advertising Campaigns; Analytics and Data Science; Analysis; Digital Marketing; Budgets and Budgeting; Marketing Strategy; Marketing; Transformation; Decision Making; Retail Industry; Italy
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      Israeli, Ayelet, and Fabrizio Fantini. "PittaRosso: Artificial Intelligence-Driven Pricing and Promotion." Harvard Business School Spreadsheet Supplement 522-710, October 2021. (Revised March 2022.)
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