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June 2025
Article

Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion

By: Emma Frank, Kai Krautter, Wen Wu and Jon M. Jachimowicz

Prior research suggests that employees benefit from highly passionate teammates because passion spreads easily from one employee to the next. We develop theory to propose that life in high-passion teams may not be as uniformly advantageous as previously assumed. We... View Details

Keywords: Passion; Emotional Contagion; Emotions; Groups and Teams; Employees; Power and Influence; Performance Improvement

April 2025
Article

The Disappearing Index Effect

By: Robin Greenwood and Marco Sammon

The abnormal return associated with a stock being added to the S&P 500 has fallen from an average of 7.4% in the 1990s to 0.3% over the past decade. This has occurred despite a significant increase in the share of stock market assets linked to the index. A similar... View Details

Keywords: Stocks; Investment Return; Value

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March 2025
Case

Taylor Guitars: Making Employee Ownership Work the Taylor Way

By: Dennis Campbell, Petros Kusmu and Stacy Straaberg

In 2013, guitar manufacturer Taylor Guitars’ co-founders Bob Taylor and Kurt Listug were considering several exit options including selling to a competitor or to a private equity firm. The co-founders decided, instead, to embark on a seven-year process to transfer 100%... View Details

2025
Working Paper

Tax Planning, Illiquidity, and Credit Risks: Evidence from DeFi Lending

By: Lisa De Simone, Peiyi Jin and Daniel Rabetti

This study establishes a plausible causal link between tax-planning-induced illiquidity and credit risks in lending markets. Exploiting an exogenous tax shock imposed by the Internal Revenue Service (IRS) on cryptocurrency gains, along with millions of transactions in... View Details

Keywords: Cryptocurrency; Taxation; Financial Liquidity; Credit; Financing and Loans; Financial Markets

2025
Working Paper

Dynamic Personalization with Multiple Customer Signals: Multi-Response State Representation in Reinforcement Learning

By: Liangzong Ma, Ta-Wei Huang, Eva Ascarza and Ayelet Israeli

Reinforcement learning (RL) offers potential for optimizing sequences of customer interactions by modeling the relationships between customer states, company actions, and long-term value. However, its practical implementation often faces significant challenges.... View Details

Keywords: Dynamic Policy; Deep Reinforcement Learning; Representation Learning; Dynamic Difficulty Adjustment; Latent Variable Models; Customer Relationship Management; Customer Value and Value Chain; Foreign Direct Investment; Analytics and Data Science

2025
Working Paper

A Cognitive Theory of Reasoning and Choice

By: Pedro Bordalo, Nicola Gennaioli, Giacomo Lanzani and Andrei Shleifer

We present a theory of decisions in which attention to the features of choice options is determined by the decision maker's categorization of the current choice problem in a set of problems she solved in the past. Categorization depends on goal-relevant as well as... View Details

Keywords: Cognition and Thinking; Perception; Decision Choices and Conditions

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January 2025
Case

Apax Partners: Deciding Whether to Bid for Trader Corp.

By: Benjamin C. Esty and Edward A. Meyer

Apax Partners’ investment committee was schedule to meet on March 21, 2011, to decide whether to invest in Trader Corporation, a Canadian classified advertising business for used automobiles with both print (magazines) and digital (website) distribution. What made this... View Details

January 2025
Article

Overcoming Barriers to Employee Ownership: Insights from Small and Medium-Sized Businesses

By: John Guzek and Ashley Whillans

This research investigates the limited adoption of employee stock ownership plans (ESOPs) among small-to-medium sized businesses (SMBs) in the U.S. Through interviews with 30 SMB owners across various industries, we identify the key barriers to ESOP adoption as lack of... View Details

Keywords: Profit Sharing; Employee Ownership; Management Practices and Processes; Compensation and Benefits; Small Business; Adoption; Employees

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November 2024
Case

Polish Agro: Where Do We Grow from Here?

By: Willy C. Shih, Lena Duchene and Daniela Beyersdorfer

By July 2024, Polish Agro had grown into one of Poland’s fastest-growing agribusinesses, with €230 million in revenue, 82 employees, and operations across Northern Poland. The company supported farmers with essential agricultural inputs like fertilizers and seeds,... View Details

2024
Working Paper

Priceless: How to Create, Trade, and Protect What Matters Most

By: Debora L. Spar

This article explores the concept of the "sacred economy," a realm of human interactions and exchanges that transcends traditional market dynamics. It illustrates the emotional and relational aspects of human connections that cannot be quantified or traded like... View Details

Keywords: Valuation; Relationships; Human Needs; Goods and Commodities

September 2024
Case

Nvidia, Inc. in 2024 and the Future of AI

By: David B. Yoffie and Sarah von Bargen

Nvidia was one of the most successful companies in the world, reaching $3.4 trillion in valuation on June 18th, 2024. While Microsoft and Apple quickly recaptured the value crown, some analysts forecasted that Nvidia was so strongly positioned that it might become the... View Details

Keywords: Customer Value and Value Chain; Price; Technological Innovation; Competition; Vertical Integration; Valuation; Technology Industry

20 Aug 2024
Interview

Angel City Football Club: A New Business Model for Women’s Sports

By: Jeffrey F. Rayport, Brian Kenny and Nicole Tempest Keller

Angel City Football Club (ACFC) was founded in 2020 by venture capitalist Kara Nortman, entrepreneur Julie Uhrman, and actor and activist Natalie Portman. As outsiders to professional sports, the all-female founding team had rewritten the playbook for how to build a... View Details

Keywords: Brands and Branding; Gender; Franchise Ownership; Business Model; Sports Industry

2024
Working Paper

“If You’re Not There… You’re Not There”: How Art Market Platforms Induce Status Anxiety to Coerce Participation

By: James Riley and Ezra Zuckerman Sivan

This paper, an 18-month ethnographic investigation of international art fairs (IAFs), shows how market platforms can have a coercive effect, inducing sellers (i.e., art galleries) to participate despite ambivalence over their value and anxiety over the process by which... View Details

Keywords: Market Participation; Status and Position; Competition; Demand and Consumers; Fine Arts Industry

2025
Working Paper

The Value of Silence: The Effect of UMG’s Licensing Dispute with TikTok on Music Demand

By: Mengjie (Magie) Cheng, Elie Ofek and Hema Yoganarasimhan

Social media platforms like TikTok have transformed how music is discovered, consumed, and monetized. This study examines the implications of the dispute between TikTok and Universal Music Group (UMG), which resulted in UMG excluding its music from TikTok from... View Details

Keywords: Demand And Consumers; Monetization; Social Media; Revenue; Conflict and Resolution; Music Industry

July 2024
Article

Mass General Brigham’s Patient-Reported Outcomes Measurement System: A Decade of Learnings

By: Jason B. Liu, Robert S. Kaplan, David W. Bates, Mario O. Edelen, Rachel C. Sisodia and Andrea L. Pusic

This article describes the strategies that leaders at the Mass General Brigham (MGB) health system have used in launching a standardized patient-reported outcome measure (PROM) collection program in 2012, a major step in the value-based transformation of health care.... View Details

Keywords: Patient-reported Outcomes; Value Based Health Care; Health Care and Treatment; Transformation; Outcome or Result; Organizational Change and Adaptation; Performance Improvement; Health Industry

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2025
Working Paper

Investor Influence on Media Coverage: Evidence from Venture Capital-Backed Startups

By: Brian K. Baik and Albert Shin

We examine whether and how investors influence media coverage of their private portfolio companies. Using a stacked difference-in-differences design, we find that media coverage of startups increases significantly following venture capital (VC) investment. The effect... View Details

Keywords: Venture Capital; Entrepreneurship; Media; Reputation; Information

June 2024
Article

Valuing the Societal Impact of Medicines and Other Health Technologies: A User Guide to Current Best Practices

By: Jason Shafrin, Jaehong Kim, Joshua T. Cohen, Louis P. Garrison, Dana A. Goldman, Jalpa A. Doshi, Joshua Krieger, Darius N. Lakdawalla, Peter J. Neumann, Charles E. Phelps, Melanie D. Whittington and Richard Willke

This study argues that value assessment conducted from a societal perspective should rely on the Generalized Cost-Effectiveness Analysis (GCEA) framework proposed herein. Recently developed value assessment inventories—such as the Second Panel on Cost-Effectiveness’s... View Details

Keywords: Health Care and Treatment; Valuation; Cost vs Benefits; Society

May 2024
Case

Naked Wines: The Profit vs. Growth Decision

By: Benjamin C. Esty and Edward A. Meyer

Nick Devlin faced a difficult strategic decision in October 2022. As the CEO of a UK-based subscription business connecting wine drinkers in the US, UK, and Australia with winemakers from around the world (which one journalist called the “Netflix of Wine”), he had to... View Details

May 2024
Background Note

Pricing Strategy and Channels of Distribution: Where Value Delivery and Value Capture Intersect

Channels of distribution are a critical component of a firm’s go-to-market strategy. A company may elect to sell its products directly to customers (DTC) without the assistance of any intermediaries or, alternatively, it may seek several channel partners to help it... View Details

Keywords: Price; Distribution Channels; Business Strategy; Markets

April 2024 (Revised July 2024)
Case

Market Dynamics and Moral Dilemmas: Novo Nordisk’s Weight-Loss Drugs

By: Joseph L. Badaracco, Tom Quinn and John Schultz

Danish pharmaceutical company Novo Nordisk was owned by a charitable foundation, and since its founding in the 1920s had focused on producing insulin to treat diabetes. In 2017, however, it released Ozempic, a diabetes treatment with the revolutionary side effect of... View Details

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