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      • November 2023
      • Article

      Open Source Software and Global Entrepreneurship

      By: Nataliya Langburd Wright, Frank Nagle and Shane Greenstein
      This is the first study to consider the relationship between open source software (OSS) and entrepreneurship around the globe. This study measures whether country-level participation on the GitHub OSS platform affects the founding of innovative ventures, and where it...  View Details
      Keywords: Entrepreneurship; Applications and Software; Business Ventures; Development Economics; Innovation and Invention; Global Range
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      Wright, Nataliya Langburd, Frank Nagle, and Shane Greenstein. "Open Source Software and Global Entrepreneurship." Art. 104846. Research Policy 52, no. 9 (November 2023).
      • July–August 2023
      • Article

      Demand Learning and Pricing for Varying Assortments

      By: Kris Ferreira and Emily Mower
      Problem Definition: We consider the problem of demand learning and pricing for retailers who offer assortments of substitutable products that change frequently, e.g., due to limited inventory, perishable or time-sensitive products, or the retailer’s desire to...  View Details
      Keywords: Experiments; Pricing And Revenue Management; Retailing; Demand Estimation; Pricing Algorithm; Marketing; Price; Demand and Consumers; Mathematical Methods
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      Ferreira, Kris, and Emily Mower. "Demand Learning and Pricing for Varying Assortments." Manufacturing & Service Operations Management 25, no. 4 (July–August 2023): 1227–1244. (Finalist, Practice-Based Research Competition, MSOM (2021) and Finalist, Revenue Management & Pricing Section Practice Award, INFORMS (2019).)
      • 2023
      • Working Paper

      The Imperfect Intermediation of Money-Like Assets

      By: Jonathan Wallen and Jeremy C. Stein
      We study supply-and-demand effects in the U.S. Treasury bill market by comparing the returns on T-bills to the administered policy rate on the Federal Reserve’s reverse repurchase (RRP) facility. In spite of the arguably more money-like properties of an investment in...  View Details
      Keywords: Debt Securities; Demand and Consumers; Price
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      Wallen, Jonathan, and Jeremy C. Stein. "The Imperfect Intermediation of Money-Like Assets." Working Paper, August 2023.
      • Summer 2023
      • Article

      Do Policies to Increase Access to Treatment for Opioid Use Disorder Work?

      By: Eric Barrette, Leemore S. Dafny and Karen Shen
      Even among commercially insured individuals, opioid use disorder is undertreated in the United States: nearly half receive no treatment within six months of a new diagnosis. Using a difference-in-differences specification exploiting the extension of insurance parity...  View Details
      Keywords: Opioid Treatment; Medication-assisted Treatment; Substance Use Disorder; Private Insurance; Insurance; Health Care and Treatment
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      Barrette, Eric, Leemore S. Dafny, and Karen Shen. "Do Policies to Increase Access to Treatment for Opioid Use Disorder Work?" American Journal of Health Economics 9, no. 3 (Summer 2023): 297–330.
      • May 2023 (Revised June 2023)
      • Case

      Harvard University and Urban Mining Industries: Decarbonizing the Supply Chain

      By: Shirley Lu and Robert S. Kaplan
      The case describes Harvard University’s consideration to decarbonize its supply chain by replacing cement with a low-carbon substitute called Pozzotive®. Developed and produced by Urban Mining Industries, Pozzotive® is a ground-glass material made with post-consumer...  View Details
      Keywords: Carbon Emissions; Blockchain; Supply Chain; Green Technology; Climate Change; Environmental Sustainability
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      Lu, Shirley, and Robert S. Kaplan. "Harvard University and Urban Mining Industries: Decarbonizing the Supply Chain." Harvard Business School Case 123-076, May 2023. (Revised June 2023.)
      • 2022
      • Working Paper

      Buy Now, Pay Later Credit: User Characteristics and Effects on Spending Patterns

      By: Marco Di Maggio, Justin Katz and Emily Williams
      Firms offering "buy now, pay later" (BNPL) point-of-sale installment loans with minimal underwriting and low interest have captured a growing fraction of the market for short-term unsecured consumer credit. We provide a detailed look into the US BNPL market by...  View Details
      Keywords: Household Finance; Fintech; Consumer Credit; Credit; Consumer Behavior
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      Di Maggio, Marco, Justin Katz, and Emily Williams. "Buy Now, Pay Later Credit: User Characteristics and Effects on Spending Patterns." NBER Working Paper Series, No. 30508, September 2022.
      • November 2022
      • Article

      Impacts of Micromobility on Car Displacement with Evidence from a Natural Experiment and Geofencing Policy

      By: Omar Isaac Asensio, Camila Apablaza, M. Cade Lawson, Edward W Chen and Savannah J Horner
      Micromobility, such as electric scooters and electric bikes—an estimated US$300 billion global market by 2030—will accelerate electrification efforts and fundamentally change urban mobility patterns. However, the impacts of micromobility adoption on traffic congestion...  View Details
      Keywords: City; Policy; Transportation; Sustainable Cities
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      Asensio, Omar Isaac, Camila Apablaza, M. Cade Lawson, Edward W Chen, and Savannah J Horner. "Impacts of Micromobility on Car Displacement with Evidence from a Natural Experiment and Geofencing Policy." Nature Energy 7, no. 11 (November 2022): 1100–1108.
      • 2023
      • Working Paper

      Can Finance Save the World? Measurement and Effects of Bank Coal Exit Policies

      By: Daniel Green and Boris Vallée
      We study whether exit policies by financial institutions are an effective tool to address climate change, using bank policies targeting the coal industry around the world as a laboratory. In contrast to theories predicting divestment to be ineffective because capital...  View Details
      Keywords: Coal Power; Climate Change; Investment; Environmental Sustainability; Policy; Financing and Loans; Energy Industry; Banking Industry
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      Green, Daniel, and Boris Vallée. "Can Finance Save the World? Measurement and Effects of Bank Coal Exit Policies." Working Paper, June 2023.
      • May 2022
      • Article

      Can Gambling Increase Savings? Empirical Evidence on Prize-Linked Savings Accounts

      By: Shawn A. Cole, Benjamin Iverson and Peter Tufano
      This paper studies the adoption and impact of prize-linked savings (PLS) accounts, which offer lottery-like payouts to individual account holders in lieu of interest. Using microlevel data from a bank in South Africa, we show that PLS is attractive to a broad group of...  View Details
      Keywords: Household Finance; Banking; Savings; Prize-linked Savings; Lottery; Household; Personal Finance; Saving; Banks and Banking
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      Cole, Shawn A., Benjamin Iverson, and Peter Tufano. "Can Gambling Increase Savings? Empirical Evidence on Prize-Linked Savings Accounts." Management Science 68, no. 5 (May 2022): 3282–3308.
      • April 2022
      • Article

      Demand Interactions in Sharing Economies: Evidence from a Natural Experiment Involving Airbnb and Uber/Lyft

      By: Shunyuan Zhang, Dokyun Lee, Param Singh and Tridas Mukhopadhyay
      We examine whether and how ride-sharing services influence the demand for home-sharing services. Our identification strategy hinges on a natural experiment in which Uber/Lyft exited Austin, Texas, in May 2016 due to local regulation. Using a 12-month longitudinal...  View Details
      Keywords: Airbnb; Uber; Natural Experiment; Geographic Demand Dispersion; Sharing Economy; Transportation; Demand and Consumers; Geographic Scope
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      Zhang, Shunyuan, Dokyun Lee, Param Singh, and Tridas Mukhopadhyay. "Demand Interactions in Sharing Economies: Evidence from a Natural Experiment Involving Airbnb and Uber/Lyft." Journal of Marketing Research (JMR) 59, no. 2 (April 2022): 374–391.
      • Article

      How Market Power Affects Dynamic Pricing: Evidence from Inventory Fluctuations at Car Dealerships

      By: Ayelet Israeli, Fiona Scott-Morton, Jorge Silva-Risso and Florian Zettelmeyer
      This paper investigates empirically the effect of market power on dynamic pricing in the presence of inventories. Our setting is the auto retail industry; we analyze how automotive dealerships adjust prices to inventory levels under varying degrees of market power. We...  View Details
      Keywords: Dynamic Pricing; Market Power; Pricing; Price Discrimination; Inventory Production; Marketing; Price; Competitive Strategy; Auto Industry; Retail Industry
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      Israeli, Ayelet, Fiona Scott-Morton, Jorge Silva-Risso, and Florian Zettelmeyer. "How Market Power Affects Dynamic Pricing: Evidence from Inventory Fluctuations at Car Dealerships." Management Science 68, no. 2 (February 2022): 895–916.
      • 2021
      • Working Paper

      Racial Disparities in the Paycheck Protection Program

      By: Sergey Chernenko and David S. Scharfstein
      Using a large sample of Florida restaurants, we document significant racial disparities in borrowing through the Paycheck Protection Program (PPP) and investigate the causes of these disparities. Black-owned restaurants are 25% less likely to receive PPP loans....  View Details
      Keywords: Discrimination; Paycheck Protection Program; Economic Injury Disaster Loans; Bank Lending; Nonbank Lending; Banks and Banking; Financing and Loans; Prejudice and Bias; Race
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      Chernenko, Sergey, and David S. Scharfstein. "Racial Disparities in the Paycheck Protection Program." SSRN Working Paper Series, August 2021. (NBER Working Paper Series, No. 29748, February 2022.)
      • February 2022
      • Article

      Sugar-sweetened Beverage Purchases and Intake at Event Arenas with and without a Portion Size Cap

      By: Sheri Volger, James Scott Parrott, Brian Elbel, Leslie K. John, Jason P. Block, Pamela Rothpletz-Puglia and Christina A. Roberto
      This is the first real-world study to examine the association between a voluntary 16-ounce (oz.) portion-size cap on sugar-sweetened beverages (SSB) at a sporting arena on volume of SSBs and food calories purchased and consumed during basketball games. Cross-sectional...  View Details
      Keywords: Sugar-sweetened Beverages; Nutrition Policy; Obesity Prevention; Portion Sizes; Nutrition; Policy; Health; Behavior
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      Volger, Sheri, James Scott Parrott, Brian Elbel, Leslie K. John, Jason P. Block, Pamela Rothpletz-Puglia, and Christina A. Roberto. "Sugar-sweetened Beverage Purchases and Intake at Event Arenas with and without a Portion Size Cap." Art. 101661. Preventative Medicine Reports 25 (February 2022).
      • 2021
      • Working Paper

      Racial Inequality in Organizations: A Systems Psychodynamic Perspective

      By: Sanaz Mobasseri, William Kahn and Robin Ely
      This paper uses systems psychodynamic concepts to develop a theory about the persistence of racial inequality in U.S. companies, treating White men as the dominant group and Black people as an illustrative subordinate group. We theorize that this persistence is rooted...  View Details
      Keywords: Systems Psychodynamics; Organizational Inequality; Masculinity; Equality and Inequality; Race; Gender; Identity; Power and Influence
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      Mobasseri, Sanaz, William Kahn, and Robin Ely. "Racial Inequality in Organizations: A Systems Psychodynamic Perspective." Harvard Business School Working Paper, No. 22-052, December 2021. (Revised September 2022.)
      • 2021
      • Working Paper

      Friends and Family Money: P2P Transfers and Financially Fragile Consumers

      By: Tetyana Balyuk and Emily Williams
      We assess the impact that real time money transfer technology has on consumer outcomes, particularly during periods of financial fragility. We do this by developing a new data set that documents use of Zelle—the most widely used P2P money transfer technology in the...  View Details
      Keywords: P2P Money Transfers; Real Time Payments; Fintech; Finance; Information Technology; Personal Finance; Financial Condition
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      Balyuk, Tetyana, and Emily Williams. "Friends and Family Money: P2P Transfers and Financially Fragile Consumers." Working Paper, November 2021.
      • 2021
      • Working Paper

      Who Benefits from Online Gig Economy Platforms?

      By: Christopher Stanton and Catherine Thomas
      This paper estimates the magnitude and distribution of surplus from the knowledge worker gig economy using data from an online labor market. Labor demand elasticities determine workers’ wages, and buyers’ past market experience shapes both their job posting frequency...  View Details
      Keywords: Gig Economy; Knowledge Workers; Online Platforms; Employment; Internet and the Web; Governing Rules, Regulations, and Reforms; Wages; Digital Platforms
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      Stanton, Christopher, and Catherine Thomas. "Who Benefits from Online Gig Economy Platforms?" NBER Working Paper Series, No. 29477, November 2021. (Revise and Resubmit at American Economic Review.)
      • 2021
      • Working Paper

      Saving for a Dry Day: Coal, Dams, and the Energy Transition

      By: Michele Fioretti and Jorge Tamayo
      Renewable generation creates a tradeoff between current and future energy production as generators produce energy by releasing previously stored resources. Studying the Colombian market, we find that diversified firms strategically substitute fossil fuels for...  View Details
      Keywords: Energy Generation; Renewable Energy; Production; Green Technology Industry; Energy Industry; Colombia
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      Fioretti, Michele, and Jorge Tamayo. "Saving for a Dry Day: Coal, Dams, and the Energy Transition." Harvard Business School Working Paper, No. 22-016, August 2021.
      • August 2021 (Revised December 2022)
      • Case

      Allbirds: Decarbonizing Fashion

      By: Michael W. Toffel, Ken Pucker and Eren Kuzucu
      Allbirds is a footwear startup focused on simple design, comfort, and sustainable natural materials. The case describes the company’s product development process that works with suppliers to develop natural materials including wool and sugarcane to substitute for...  View Details
      Keywords: Decarbonization; Climate Impact; Environmental Strategy; Innovation; Product Design; Supply Chain Management; Innovation Strategy; Innovation and Management; Product Development; Climate Change; Environmental Management; Environmental Sustainability; Apparel and Accessories Industry; Fashion Industry; United States; California
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      Toffel, Michael W., Ken Pucker, and Eren Kuzucu. "Allbirds: Decarbonizing Fashion." Harvard Business School Case 622-024, August 2021. (Revised December 2022.)
      • Article

      Birds of a Feather...Enforce Social Norms? Interactions Among Culture, Norms, and Strategy

      By: Hongyi Li and Eric J. Van den Steen
      Does culture eat strategy for breakfast? This paper investigates the interactions among corporate culture, norms, and strategy, in order to better understand this issue and related questions. It first shows, through microfoundations, how the forces that drive toward...  View Details
      Keywords: Culture; Norms; Organizational Culture; Strategy; Values and Beliefs
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      Li, Hongyi, and Eric J. Van den Steen. "Birds of a Feather...Enforce Social Norms? Interactions Among Culture, Norms, and Strategy." Strategy Science 6, no. 2 (June 2021): 166–189.
      • May 2021
      • Article

      Stability, Strategy-Proofness, and Cumulative Offer Mechanisms

      By: John William Hatfield, Scott Duke Kominers and Alexander Westkamp
      We consider the setting of many-to-one matching with contracts, where firms may demand multiple contracts, but each worker desires at most one contract. We introduce three novel conditions—observable substitutability, observable size monotonicity, and...  View Details
      Keywords: Matching With Contracts; Stability; Strategy-proofness; Substitutability; Size Monotonicity; Cumulative Offer Mechanism; Marketplace Matching; Balance and Stability
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      Hatfield, John William, Scott Duke Kominers, and Alexander Westkamp. "Stability, Strategy-Proofness, and Cumulative Offer Mechanisms." Review of Economic Studies 88, no. 3 (May 2021): 1457–1502.
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