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    • Faculty Publications  (35)

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    • All HBS Web  (108,996)
      • Faculty Publications  (35)

      MacKay, Alexander J. Remove MacKay, Alexander J. →

      Page 1 of 35 Results →
      • February 2023
      • Teaching Note

      Cost Plus Drugs

      By: Alexander J. MacKay
      Teaching Note for HBS Case No. 723-362.  View Details
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      MacKay, Alexander J. "Cost Plus Drugs." Harvard Business School Teaching Note 723-037, February 2023.
      • February 2023
      • Teaching Note

      EnergyNow: Powering a New Market

      By: Alexander J. MacKay
      Teaching Note for HBS Case No. 723-361.  View Details
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      MacKay, Alexander J. "EnergyNow: Powering a New Market." Harvard Business School Teaching Note 723-036, February 2023.
      • February 2023
      • Course Overview Note

      Reshaping Competition: Introduction to the Course: Note for Students

      By: Alexander J. MacKay
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      MacKay, Alexander J. "Reshaping Competition: Introduction to the Course: Note for Students." Harvard Business School Course Overview Note 723-428, February 2023.
      • 2023
      • Working Paper

      Self-Preferencing at Amazon: Evidence from Search Rankings

      By: Chiara Farronato, Andrey Fradkin and Alexander MacKay
      We study whether Amazon engages in self-preferencing on its marketplace by favoring its own brands (e.g., Amazon Basics) in search. To address this question, we collect new micro-level consumer search data using a custom browser extension installed by a panel of study...  View Details
      Keywords: Consumer Behavior; E-commerce; Product Positioning; Brands and Branding; Consumer Products Industry
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      Farronato, Chiara, Andrey Fradkin, and Alexander MacKay. "Self-Preferencing at Amazon: Evidence from Search Rankings." NBER Working Paper Series, No. 30894, January 2023.
      • December 2022
      • Case

      LIV Golf

      By: Alexander J. MacKay
      On March 17, 2022, Greg Norman, CEO of LIV Golf, announced the 8-tournament schedule for the inaugural season of the LIV Golf Invitational Series. Norman, a retired professional golfer and former world #1, was helming the league to compete with the PGA Tour, which was...  View Details
      Keywords: Anti-trust; Golf; "Sports Organizations,; Sports Management; Competition; Competition Policy; Strategy; Strategy And Leadership; Competitive Strategy; Sports; Sports Industry
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      MacKay, Alexander J. "LIV Golf." Harvard Business School Case 723-371, December 2022.
      • October 2022
      • Case

      Cost Plus Drugs

      By: Alexander MacKay and James Barnett
      In September 2022, Mark Cuban Cost Plus Drugs Company CEO Alex Oshmyansky considered the future of the company. Cost Plus Drugs was a retailer for more than 340 generic oral medications, selling their drugs at significantly lower prices than typical pharmacies....  View Details
      Keywords: Business Ventures; Decision Making; Entrepreneurship; Ethics; Health; Markets; Social Enterprise; Society; Strategy; Health Care and Treatment; Business Divisions; Factories, Labs, and Plants; Health Industry; Pharmaceutical Industry; United States; Texas
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      MacKay, Alexander, and James Barnett. "Cost Plus Drugs." Harvard Business School Case 723-362, October 2022.
      • Article

      Recovering Investor Expectations from Demand for Index Funds

      By: Mark Egan, Alexander J. MacKay and Hanbin Yang
      We use a revealed-preference approach to estimate investor expectations of stock market returns. Using data on demand for index funds that follow the S&P 500, we develop and estimate a model of investor choice to flexibly recover the time-varying distribution of...  View Details
      Keywords: Stock Market Expectations; Demand Estimation; Exchange-traded Funds (ETFs); Demand and Consumers; Investment
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      Egan, Mark, Alexander J. MacKay, and Hanbin Yang. "Recovering Investor Expectations from Demand for Index Funds." Review of Economic Studies 89, no. 5 (October 2022): 2559–2599.
      • September 2022
      • Case

      Blue Steel Investments

      By: Alexander J. MacKay
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      MacKay, Alexander J. "Blue Steel Investments." Harvard Business School Case 723-372, September 2022.
      • September 2022 (Revised February 2023)
      • Case

      EnergyNow: Powering a New Market

      By: Alexander MacKay and James Barnett
      In August 2022, EnergyNow co-founder and CEO Stuart MacWilliam (MBA 2015) considers the company strategy for building solar panels to provide power in South Africa’s recently deregulated energy market.  View Details
      Keywords: Business Ventures; Development Economics; Energy; Alternative Energy; Energy Generation; Energy Sources; Renewable Energy; Entrepreneurship; Environmental Management; Ethics; Geography; Government and Politics; Energy Policy; Law; Management; Markets; Market Timing; Operations; Energy Industry; Utilities Industry; Africa; South Africa
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      MacKay, Alexander, and James Barnett. "EnergyNow: Powering a New Market." Harvard Business School Case 723-361, September 2022. (Revised February 2023.)
      • 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
      • Case

      Sony Pictures Entertainment

      By: Alexander J. MacKay and Amram Migdal
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      MacKay, Alexander J., and Amram Migdal. "Sony Pictures Entertainment." Harvard Business School Case 723-370, September 2022.
      • August 2022
      • Case

      The Spreadsheet

      By: Zoë B. Cullen and Alexander J. MacKay
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      Cullen, Zoë B., and Alexander J. MacKay. "The Spreadsheet." Harvard Business School Case 723-366, August 2022.
      • August 2022
      • Article

      Contract Duration and the Costs of Market Transactions

      By: Alexander MacKay
      The optimal duration of a supply contract balances the costs of reselecting a supplier against the costs of being matched to an inefficient supplier when the contract lasts too long. I develop a structural model of contract duration that captures this tradeoff and...  View Details
      Keywords: Supply Contracts; Intermediate Goods; Switching Costs; Vertical Relationships; Transaction Costs; Contract Duration; Identification; Supply Chain; Cost; Contracts; Auctions; Mathematical Methods
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      MacKay, Alexander. "Contract Duration and the Costs of Market Transactions." American Economic Journal: Microeconomics 14, no. 3 (August 2022): 164–212.
      • 2023
      • Working Paper

      Dynamic Pricing and Demand Volatility: Evidence from Restaurant Food Delivery

      By: Alexander J. MacKay, Dennis Svartbäck and Anders G. Ekholm
      Pricing technology that allows firms to rapidly adjust prices has two potential benefits. Prices can respond more rapidly to demand shocks, leading to higher revenues. On the other hand, time-varying prices can be used to smooth out demand across periods, reducing...  View Details
      Keywords: Price; Consumer Behavior; Applications and Software; Volatility
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      MacKay, Alexander J., Dennis Svartbäck, and Anders G. Ekholm. "Dynamic Pricing and Demand Volatility: Evidence from Restaurant Food Delivery." Harvard Business School Working Paper, No. 23-007, July 2022. (Revised March 2023.)
      • 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).
      • 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.)
      • 2021
      • Working Paper

      What Drives Variation in Investor Portfolios? Estimating the Roles of Beliefs and Risk Preferences

      By: Mark Egan, Alexander MacKay and Hanbin Yang
      We document new patterns in investment behavior using a comprehensive dataset of 401(k) plans from 2009 through 2019. We show that there is substantial heterogeneity in asset allocations across plans, which is not explained by differences in available investment...  View Details
      Keywords: Stock Market Expectations; Demand Estimation; Retirement Planning; Defined Contribution Retirement Plan; 401 (K); Finance; Investment Portfolio; Investment; Retirement; Behavioral Finance; Financial Services Industry; United States
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      Egan, Mark, Alexander MacKay, and Hanbin Yang. "What Drives Variation in Investor Portfolios? Estimating the Roles of Beliefs and Risk Preferences." Harvard Business School Working Paper, No. 22-044, December 2021. (Revised December 2022. Direct download. NBER Working Paper Series, No. 29604, December 2021)
      • 2022
      • Working Paper

      Rising Markups and the Role of Consumer Preferences

      By: Hendrik Döpper, Alexander MacKay, Nathan H. Miller and Joel Stiebale
      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....  View Details
      Keywords: Market Power; Markups; Demand Estimation; Consumer Products; Retailers; Product; Price; Demand and Consumers; Consumer Behavior
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      Döpper, Hendrik, Alexander MacKay, Nathan H. Miller, and Joel Stiebale. "Rising Markups and the Role of Consumer Preferences." Harvard Business School Working Paper, No. 22-025, October 2021. (Revised October 2022. Direct download.)
      • 2021
      • Working Paper

      Deregulation, Market Power, and Prices: Evidence from the Electricity Sector

      By: Alexander MacKay and Ignacia Mercadal
      When deciding whether to introduce market competition in a regulated industry, a regulator faces an important tradeoff. Market-based prices can provide incentives to allocate resources more efficiently and reduce costs, but the presence of market power may lead to...  View Details
      Keywords: Deregulation; Market Power; Markups; Prices; Electricity; Energy; Markets; Governing Rules, Regulations, and Reforms; Price; Utilities Industry
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      MacKay, Alexander, and Ignacia Mercadal. "Deregulation, Market Power, and Prices: Evidence from the Electricity Sector." Harvard Business School Working Paper, No. 21-095, February 2021. (Revised December 2022. Direct download.)
      • September 2020
      • Teaching Note

      Commonwealth Joe Coffee Roasters

      By: Alexander J. MacKay
      Teaching Note for HBS Case No. 719-451.  View Details
      Keywords: Cold Brew Coffee; Specialty Coffee; On-premise Coffee Market; Retail Expansion Strategy; Entrepreneurship; Business Model; Brands and Branding; Expansion; Strategy; Decision Making; Competitive Strategy; Competitive Advantage; Management; Competition
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      MacKay, Alexander J. "Commonwealth Joe Coffee Roasters." Harvard Business School Teaching Note 721-388, September 2020.
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