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  • September 2002 (Revised January 2003)
  • Case

Dimensional Fund Advisors, 2002

By: Randolph B. Cohen
Dimensional Fund Advisors (DFA) is an investment management firm that prides itself on basing its investment strategies on sound academic research. Many of the best-known finance research papers of the past two decades (especially those by Eugene Fama and Kenneth... View Details
Keywords: Knowledge Use and Leverage; Research; Success; Investment; Financial Services Industry
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  • January 2014 (Revised January 2015)
  • Case

Reinventing Adobe

By: Sunil Gupta and Lauren Barley
By 2013, Adobe had reinvented itself from a publisher of popular software such as Photoshop and Acrobat to a digital marketing and digital media company. In May 2013, the company decided to stop selling its software as a package in favor of Creative... View Details
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  • September 2010 (Revised March 2012)
  • Case

AQR's Momentum Funds (A)

By: Daniel Baird Bergstresser, Lauren H. Cohen, Randolph B. Cohen and Christopher J. Malloy
AQR is a hedge fund based in Greenwich, Connecticut, that is considering offering a wholly new line of product to retail investors, namely the ability to invest in the price phenomenon known as momentum. There is a large body of empirical evidence supporting momentum... View Details
Keywords: Financial Strategy; Investment Funds; Investment Portfolio; Governing Rules, Regulations, and Reforms; Product Development; Financial Services Industry; Greenwich
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  • September 2023 (Revised October 2023)
  • Case

Ghassan Nuqul and the Nuqul Group: Preserving a Father's Legacy

By: Christina R. Wing, Lauren Cohen and Alpana Thapar
The Nuqul Group was established in 1952 by Elia Nuqul, a Palestinian refugee who fled his hometown in 1948 with his family to Jordan. He overcame many hardships in his initial years there, but subsequently started a trading business that grew to become one of Jordan’s... View Details
Keywords: Family Business; Family Ownership; Organizational Change and Adaptation; Management Succession; Jordan
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  • June 2018 (Revised January 2019)
  • Case

Membership Rewards® from American Express

By: Shelle Santana, Frances X. Frei and Lauren G. Pickle
Credit and charge card issuer American Express (Amex) had developed a strong reputation among consumers due in part to its Membership Rewards (MR) loyalty program, first established in 1991. Through MR, all Amex cardholders could accumulate and redeem “points” based on... View Details
Keywords: Financial Services; Customer Loyalty; Credit Cards; Marketing Strategy; Product Marketing; Brands and Branding; Customer Value and Value Chain; Value Creation; Financial Services Industry; Banking Industry; North America; United States
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  • May 2022
  • Case

Rawbank's Illico Cash: Can 'Fast Money' Overcome Cash Dependency in the DRC?

By: Lauren Cohen and Grace Headinger
Thomas de Dreux-Brézé, the Head of Strategy and Project Management at Rawbank Congo in the Democratic Republic of the Congo (DRC), was perplexed as he reviewed annual adoption rates for the bank’s launch of Illico Cash 2.0. As the bank’s mobile money app, Illico Cash... View Details
Keywords: Fintech; Inflation; Deflation; Rural; Urban; Emerging Market; Mobile Technology; Finance; Money; Inflation and Deflation; Business Growth and Maturation; Decision Choices and Conditions; Demographics; Developing Countries and Economies; Corporate Entrepreneurship; Behavioral Finance; Currency; Banks and Banking; Commercial Banking; Financial Strategy; Rural Scope; Urban Scope; Innovation Strategy; Emerging Markets; Network Effects; Consumer Behavior; Mobile and Wireless Technology; Technology Adoption; Banking Industry; Financial Services Industry; Technology Industry; Congo, Democratic Republic of the
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  • 2020
  • Working Paper

Best Ideas

By: Miguel Antón, Randolph B. Cohen and Christopher Polk
We find that the stocks in which active mutual fund or hedge fund managers display the most conviction towards ex-ante, their “Best ideas,” outperform the market, as well as the other stocks in those managers’ portfolios, by approximately 2.8 to 4.5 percent per year,... View Details
Keywords: Mutual Funds; Managerial Skill; Market Efficiency; Investment Funds; Management; Investment Portfolio; Decision Making
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  • September 2023
  • Case

Diamond Standard

By: Lauren H. Cohen, Zhaoheng Gong and Grace Headinger
Cormac Kinney, Founder and CEO of Diamond Standard, was on a mission to transform the U.S. diamond market through unlocking the precious gems as market-traded assets. As a serial FinTech entrepreneur, he hoped to add an additional service to his vault: Carats. The... View Details
Keywords: Tokenization; Fintech; Cryptocurrency; Liquidity; Digital; Rare Earth Minerals; Decentralized; Crypto Economy; Financial Product; Metals; Diamonds; Commodity; Assets; Financial Instruments; Financial Institutions; Financial Markets; Investment; Technological Innovation; Natural Resources; Business Startups; Currency; Financial Services Industry; United States
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  • April 2011
  • Case

Hermitage's Russian Quandary (A)

By: Eric Werker, Ray Fisman and Lauren Weber
In June 2007, the offices of Russian hedge fund Hermitage Capital were raided by Moscow police; in the months that followed, Hermitage founder Bill Browder found himself banned from Russia and fending off efforts to expropriate the fund's Russian assets. This case... View Details
Keywords: Crime and Corruption; Private Equity; Investment; Law Enforcement; Laws and Statutes; Crisis Management; Risk Management; Business and Government Relations; Financial Services Industry; Moscow
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  • September 2000
  • Case

MCI-WorldCom Combination, The (A)

By: Paul M. Healy and Jacob Cohen
Outlines the accounting decision faced by WorldCom in its acquisition of MCI. Two methods are discussed (purchase and pooling) and students are asked to evaluate which would be more suitable for WorldCom. View Details
Keywords: Mergers and Acquisitions; Accounting; Telecommunications Industry
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  • 2018
  • Working Paper

Patent Trolls: Evidence from Targeted Firms

By: Lauren Cohen, Umit G. Gurun and Scott Duke Kominers
We provide the first large-sample evidence on the behavior and impact of non-practicing entities (NPEs) in the intellectual property space. We find that on average, NPEs appear to behave as opportunistic “patent trolls.” NPEs sue cash-rich firms—and target cash in... View Details
Keywords: Patent Trolls; NPEs; PAEs; Innovation; Patents; Ethics; Lawsuits and Litigation; Innovation and Invention; Corporate Finance
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  • September 3, 2020
  • Article

How to Measure a Company’s Real Impact

By: Ronald Cohen and George Serafeim
Impact transparency will reshape capitalism. By shifting the pursuit of profit away from negligently creating problems to purposefully creating valuable solutions for the world, it will redefine success, so that its measure is not just money, but the positive impact we... View Details
Keywords: Impact; Impact Investing; Impact Measurement; Impact Investment; Impact Investment Funds; Accountability; Accounting Information; Corporate Performance; Sustainability; Social Impact; Capitalism; Accounting; Corporate Accountability; Performance; Measurement and Metrics; Social Enterprise; Society
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  • October 2024
  • Case

Sacoor Brothers: From Co-Family CEOs to No Family CEOs?

By: Lauren Cohen, David Ager and Alpana Thapar
Sacoor Brothers, a luxury clothing retail company, was founded in 1989 in Lisbon, Portugal, by four brothers—Malik, Salim, Rahimo, and Moez. After establishing a strong presence in Portugal, the brothers were drawn to the rapidly growing retail markets in the Middle... View Details
Keywords: Growth; Geographic Mobility; Family Office; Professionalization; Institutional Development; Second-generation; Third-generation; Family Business; Private Equity; Investment; Governance; Transition; Business Model; Growth and Development Strategy; Management Succession; Market Entry and Exit; Family and Family Relationships; Expansion; Retail Industry; Fashion Industry; Middle East; United Arab Emirates; Saudi Arabia; Portugal; Jordan; Dubai
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  • June 2025
  • Article

Unregulated Emotional Risks of AI Wellness Apps

By: Julian De Freitas and Glenn Cohen
We propose that AI-driven wellness apps powered by large language models can foster extreme emotional attachments and dependencies akin to human relationships—posing risks like ambiguous loss and dysfunctional dependence—that challenge current regulatory frameworks and... View Details
Keywords: AI and Machine Learning; Well-being; Emotions; Governing Rules, Regulations, and Reforms
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  • September 2007
  • Case

Dice-K: The Hundred (Plus) Million Dollar Man

By: Randolph B. Cohen
Describes the efforts made by the Boston Red Sox to sign superstar Japanese pitcher Daisuke (Dice-K) Matsuzaka within the context of the team's attempts to keep pace with longtime rival, the New York Yankees. In late 2006, Dice-K is viewed as the prize of the free... View Details
Keywords: Negotiation; Cash Flow; Forecasting and Prediction; Financial Strategy; Sports Industry
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  • June 2018
  • Background Note

Introduction to Life Settlements

By: Alexander Braun, Lauren H. Cohen, Christopher J. Malloy and Jiahua Xu
Life insurance is an asset owned by the majority of American adults (61%). Note that this 61% penetration rate is essentially at parity with home ownership (64%) and higher than that of 401(k) retirement account ownership (53%). Life settlements, or life insurance... View Details
Keywords: Insurance; Assets; Value; Markets; Investment Return
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  • July 2024
  • Article

Buying the Verdict

By: Lauren Cohen and Umit Gurun
We document evidence that firms systematically increase specialized, locally targeted advertising following the firm being taken to trial in that given location, precisely following initiation of the suit. In particular, we use legal actions brought against publicly... View Details
Keywords: Lawsuits and Litigation; Advertising; Marketing Strategy
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  • March 2024 (Revised May 2024)
  • Case

Masterpiece for the Masses: The First Art Exchange ARTEX

By: Lauren Cohen, Anastasiya Siroochenko (Siro) and Sophia Pan
Yassir Benjelloun-Touimi, CEO of ARTEX, aspired to marry the world of art and finance. Hoping to promote transparent, fractionalized ownership of renowned artwork, the founder had spent years contemplating the birth of an art stock market. This exchange would allow... View Details
Keywords: Trading; Art Market; Art Fair; Tokenization; Democratization; Exchange Traded Fund; Price Monitoring; Trends And Opportunities; Financial Liquidity; Financial Markets; Arts; Financial Strategy; Initial Public Offering; Investment Return; Technological Innovation; Business Model; Trends; Stocks; Assets; Diversification; Trade; Financial Services Industry; Fine Arts Industry; Paris; France
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  • December 2016
  • Article

Industry Window Dressing

By: Huaizhi Chen, Lauren Cohen and Dong Lou
We explore a new mechanism by which investors take correlated shortcuts and present evidence that managers undertake actions—in the form of sales management—to take advantage of these shortcuts. Specifically, we exploit a regulatory provision wherein a firm’s primary... View Details
Keywords: Investor Shortcuts; Industry Classification; Opportunistic Managerial Behavior; Discontinuity; Management Practices and Processes; Investment; Sales
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  • April 2021
  • Article

Today's Surgeon Compensation Models Fall Short: Aligning Incentives to Create More Equitable and Value-based Compensation Models

By: Susanna Gallani, Mary Witkowski, Lauren Haskins, Haley Jeffcoat, Vinita Mujumdar and Frank Opelka
Modern medicine is undergoing a transformation that involves innovative surgical approaches, increased medical treatment options, clinical care pathways that require collaboration beyond hospital walls, and health data captured by electronic health records and other... View Details
Keywords: Physician Compensation; Surgeons; Health Care and Treatment; Business Model; Compensation and Benefits
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