Publications

August 2019 (Revised November 2022)
Case

Paradigm Capital Value Fund

By: Luis M. Viceira and Elena Corsi

Karl Jan Erick Hummel had founded Paradigm Capital Value Fund in 2007 together with Columbia Business School Professor Bruce Greenwald, an expert in value investing and now chairman of the fund. The fund followed the principles of value investing to their target... View Details

Keywords: Investment Activism; Investment Portfolio; Financial Management; Growth and Development Strategy; Investment Funds; Financial Services Industry

22 Apr 2014
First Look

First Look: April 22

Nava, Diego Aycinena, Claudia Martínez A., and Dean Yang Abstract—While remittance flows to developing countries are very large, it is unknown whether migrants desire more control over how remittances are used. This research uses a... View Details

Keywords: Sean Silverthorne

April 2021 (Revised January 2022)
Case

SA Taxi: A Vehicle for Empowerment? (A)

By: Nien-he Hsieh, Dilyana Karadzhova Botha and F. Christopher Eaglin

SA Taxi was a vertically integrated business that operated in South Africa’s distinctive taxi industry. Despite being plagued by violence, informal structures, unsafe road practices and lack of government support, the taxi industry had grown to become South Africa’s... View Details

Keywords: Corporate Accountability; Ownership; Ownership Stake; Business and Stakeholder Relations; Equality and Inequality; Race; Situation or Environment; Transportation Industry; South Africa; Africa

MBA Class of 1960 Professor of Management, Paul W. Marshall, is affiliated with the Entrepreneurial Management Unit and teaches The Entrepreneurial Manager in the Turnaround Environment. This Elective Curriculum course focuses on the role of... View Details

Keywords: aerospace; banking; brokerage; computer; consulting; defense; management consulting; manufacturing; metals; professional services; retail financial services; retailing; steel

Web

Placement - Doctoral

Career Success and HBS Career and Professional Development . Students on the Job Market Every year, the HBS Doctoral Programs produces an impressive list of students who are preparing to enter the job market. Find an outstanding candidate... View Details

April 2021
Case

Codecademy: Where to Next?

By: Jeffrey F. Rayport, Max Mailman and Sarah Ascherman

In March 2020, Zach Sims, co-founder and CEO of online education platform Codecademy, prepared for a meeting with his Chief of Staff Kunal Ahuja to discuss the company’s goals. Codecademy billed itself as the largest online resource for computer science literacy and... View Details

Keywords: Monetization Strategy; Business Model; Change Management; Venture Capital; Leading Change; Growth and Development Strategy; Growth Management; Management Teams; Marketing Channels; Product Marketing; Network Effects; Product Development; Organizational Change and Adaptation; Strategic Planning; Internet and the Web; Digital Platforms; United States

November 2023
Case

Apple Inc. in 2023

By: David B. Yoffie and Sarah von Bargen

Under CEO Tim Cook, Apple became the first trillion dollar market cap company, the first two trillion dollar company, and the first three trillion dollar company. Since the COVID pandemic, Apple gained over 20% of the world smartphone market and 50% of the U.S. market,... View Details

Keywords: Competitive Advantage; Product Positioning; Emerging Markets; Competitive Strategy; Technological Innovation; Revenue; Technology Industry

Myra Hart's research focus is high potential entrepreneurship. She has taught MBA and executive programs, co-chaired the entrepreneurship unit, and led several HBS initiatives. As a founding memberView Details

Keywords: consumer products; e-commerce industry; education industry; real estate; retailing

March 2022 (Revised August 2022)
Case

Proximie: Using XR Technology to Create Borderless Operating Rooms

By: Ariel D. Stern and Alpana Thapar

In mid-January 2022, Nadine Hachach-Haram, founder and CEO of Proximie, was thinking about the company’s growth plans. Launched in 2016, Proximie was a platform that enabled clinicians, proctors, and medical device company personnel to be virtually present in operating... View Details

Keywords: Growth and Development Strategy; Technological Innovation; Partners and Partnerships; Strategic Planning; Health Care and Treatment; Analytics and Data Science; Digital Platforms; Health Industry; Lebanon; United Kingdom; United States

Web

Careers - Alumni

balancing a stable corporate career... Alumni Career Video | Nicole Ledoux (MBA 2008) 11 Jun 2025 Nicole Ledoux (MBA 2008) shares how a personal experience sparked an unexpected pivot from finance to entrepreneurship,... Let's Work... View Details

May 2013
Case

Bridgewater Associates

By: Jeffrey T. Polzer and Heidi K. Gardner

Bridgewater Associates was the world's largest hedge fund with approximately $120 billion in assets under management in mid-2012, and its leaders attribute its record-beating performance to the firm's culture of "radical transparency." The founder, Ray Dalio, was... View Details

Keywords: Management Style; Motivation and Incentives; Management Practices and Processes; Organizational Culture; Performance; Leadership Style; Investment; Financial Services Industry

September 2009 (Revised June 2011)
Case

Mercury Athletic: Valuing the Opportunity

By: Timothy A. Luehrman and Joel L. Heilprin

In January 2007, West Coast Fashions, Inc., a large designer and marketer of branded apparel, announced a strategic reorganization that would result in the divestiture of their wholly owned footwear subsidiary, Mercury Athletic. John Liedtke, the head of business... View Details

Keywords: Mergers ＆ Acquisitions; Sensitivity Analysis; Cost of Capital; Restructuring; Valuation; Cash Flow; Mergers and Acquisitions; Corporate Finance; Apparel and Accessories Industry

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

06 Oct 2015
First Look

October 6, 2015

developed for the same setting. More broadly, our paper contributes to the literature on the multi-armed bandit problem with resource constraints, since our algorithm applies directly to this setting when the inventory constraints are... View Details

Keywords: Sean Silverthorne

February 1995 (Revised June 1999)
Case

Chemical Bank: Implementing the Balanced Scorecard

By: Robert S. Kaplan and Norman Klein

The retail bank division of Chemical Bank faces declining margins and increased competition in its credit and deposit gathering and processing business. It wishes to implement a new strategy to become a preferred financial service provider to target customer groups.... View Details

Keywords: Balanced Scorecard; Adoption; Growth and Development Strategy; Communication Strategy; Customer Relationship Management; Management Systems; Performance Evaluation; Banks and Banking; Measurement and Metrics; Banking Industry