Publications

29 Sep 2009
First Look

First Look: September 29

leverage during bad times. If refinancing-facilitated homeowner-equity extraction is sufficiently widespread—as it was during the years leading up to the peak of the U.S. residential real-estate market—the inadvertent coordination of leverage during a View Details

Keywords: Martha Lagace

March 2025 (Revised April 2025)
Case

Perplexity: Redefining Search

By: Suraj Srinivasan, Michelle Hu, Sriraghav Srinivasan and Radhika Kak

By early 2025, Perplexity had rapidly evolved from a modest startup into a popular "answer engine" valued at $9 billion. The company had boldly positioned itself as the disruptor to Google aiming to redefine search for the AI age. Through novel AI... View Details

Keywords: AI and Machine Learning; Venture Capital; Innovation Leadership; Technological Innovation; Internet and the Web; Business Startups; Competitive Strategy; Business Model; Technology Industry; United States

Web

Faculty & Advisors | MBA

Technology Chris leads MPM Capital’s public market investing as portfolio manager for BioImpact Equities (formerly known as Burrage Capital) and the Oncology Impact Funds. Previously, Chris was a health care analyst at Fidelity... View Details

28 Apr 2014
Research & Ideas

Football Stars Debate ‘The Social Capital of the Savvy Athlete’

Association and an MBA candidate in the class of 2015 at Harvard Business School. The event was moderated by Anita Elberse, the Lincoln Filene Professor of Business Administration at Harvard Business School, whose research focuses on View Details

Keywords: by Carmen Nobel; Sports

June 2025
Case

Zerodha

By: Das Narayandas and Kairavi Dey

Zerodha Broking Pvt. Ltd. (Zerodha) was among India's largest online broking platforms. Nithin and Nikhil Kamath started Zerodha to empower retail investors and remove the hurdles to investing in stocks. The company pioneered tech-first discount broking, charging... View Details

Keywords: Financial Services Industry

January 2025
Case

Arsenal Capital Partners' Refinancing of Pinnacle

By: Victoria Ivashina and Srimayi Mylavarapu

Arsenal Capital Partners’ portfolio company, Pinnacle, a leading producer of high-performance adhesive technologies, has experienced rapid growth under Arsenal’s ownership. Over just two years, Pinnacle's EBITDA increased from $13.5 million to $60 million. By mid-2021,... View Details

Keywords: Business Exit or Shutdown; Decision Choices and Conditions; Private Equity; Financing and Loans; Growth Management

August 2020 (Revised March 2021)
Case

Migros Turkey: Scaling Online Operations (A)

By: Antonio Moreno and Gamze Yucaoglu

The case opens in November 2019 as Ozgur Tort and Mustafa Bartin, CEO and chief large-format and online retail officer of Migros Ticaret A.S. (Migros), Turkey’s oldest and one of its largest supermarket chains, are contemplating what the best fulfillment format and... View Details

Keywords: Retail; Grocery; Business Model; Emerging Markets; For-Profit Firms; Strategy; Digital Platforms; Information Technology; Technology Adoption; Value Creation; Globalization; Competition; Expansion; Logistics; Profit; Resource Allocation; Corporate Strategy; Turkey

2020
Working Paper

Cutting the Gordian Knot of Employee Health Care Benefits and Costs: A Corporate Model Built on Employee Choice

By: Regina E. Herzlinger and Barak D. Richman

The U.S. employer-based health insurance tax exclusion created a system of employer-sponsored insurance (ESI) with limited insurance choices and transparency that may lock employed households into health plans that are costlier or different from those they prefer to... View Details

Keywords: After-tax Income; Consumer-driven Health Care; Health Care Costs; Health Insurance; Income Inequality; Tax Policy; Health Care and Treatment; Cost; Insurance; Employees; Income; Taxation; Policy; United States

SSRN

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March 2022
Supplement

GrowSari (B)

By: Brian Trelstad, Cam Carag and Michi Ferreol

Case supplement for HBS Case No. 322-036. Reymund (ER) Rollan and Shivapratim (Shiv) Choudhury, founders of the digital technology platform GrowSari, were at a crossroads. The feedback from their initial product roll-out were not what they had expected, and they needed... View Details

Keywords: Fast Moving Consumer Goods; Product Launch; Information Technology; Analytics and Data Science; Digital Platforms; Retail Industry; Consumer Products Industry; Technology Industry; Philippines

10 Aug 2010
First Look

First Look: August 10

positioned to take action. When Should a Platform Give People Fewer Choices and Charge More for Them? Authors:Mikołaj Piskorski and Hanna Halaburda Publication:The CPI Antitrust Journal 6, no. 2 (autumn 2010) An abstract is not available... View Details

Keywords: Martha Lagace

September–October 2022
Article

Should Your Company Sell on Amazon?: Reach Comes at a Price

By: Ayelet Israeli, Leonard A. Schlesinger, Matt Higgins and Sabir Semerkant

Selling on Amazon allows brands to reach millions of consumers—but that exposure comes with costs. They include smaller margins, more competition, the risk of commoditization, and less knowledge about customers. In this article, the authors present a scorecard to... View Details

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02 Jan 2024
Research & Ideas

10 Trends to Watch in 2024

The lightning-fast ascent of generative AI isn’t the only sea change on the horizon for businesses in the new year. The global economy is in flux as war, climate change, trade issues, and infrastructure problems demand attention. Many companies continue to struggle to... View Details

Keywords: by Rachel Layne

November 2024 (Revised April 2025)
Case

Cheerful Music

By: Shunyuan Zhang, Feng Zhu and Nancy Hua Dai

Established by Snow Jiang in 2019 in Shenzhen, China, Cheerful Music was a record label company that had created many hit songs in China. “Yi Xiao Jiang Hu,” its most famous hit song, gained billions of views on social media platforms in China and overseas as the... View Details

Keywords: Generative Ai; Music Entertainment; Global Strategy; Business Model; AI and Machine Learning; Market Entry and Exit; Music Industry; China; United Kingdom; London

December 1999
Case

Sun Microsystems, Inc. (A5): Solaris 7: Rich Green on Product Strategy and Culture Change

By: Rosabeth M. Kanter and Jane Roessner

Solaris, Sun Microsystems' version of the UNIX operating system, was an amorphous collection of capabilities that had accumulated over the years, a product the company vaguely wished it could market and sell better. Developing and marketing Solaris 7 would help... View Details

Keywords: Digital Platforms; Applications and Software; Organizational Change and Adaptation; Product Positioning; Growth and Development Strategy; Organizational Culture; Success; Change; Diversification; Technology Industry; Computer Industry

March 2022 (Revised February 2023)
Case

Pakistan Rising: Bazaar's Growth Story (A)

By: Paul A. Gompers and Gamze Yucaoglu

The case opens in September 2021 as Hamza Jawaid and Saad Jangda, co-founders of Bazaar technologies (Bazaar), the Pakistani high growth B2B e-commerce marketplace, are contemplating whether the year-and-a half old startup should also venture into offering financing to... View Details

Keywords: B2B; Business Model; Emerging Markets; For-Profit Firms; Strategy; Digital Platforms; Information Technology; Value Creation; Globalization; Competition; Expansion; Profit; Resource Allocation; Diversification; Corporate Strategy; Pakistan

30 Nov 2021
Cold Call Podcast

TikTok: Super App or Supernova?

Keywords: Re: Jeffrey F. Rayport; Technology

November 2019 (Revised May 2020)
Case

Collibra

By: Lynda M. Applegate, Jeffrey F. Rayport and Julia Kelley

Founded in 2008 at Vrije Universiteit Brussels, Collibra was a data intelligence company that found product-market fit in the years after the global financial crisis when many companies were under pressure from consumers and governments to improve their data management... View Details

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Browse All Articles, Research, & Case Studies - HBS Working Knowledge

create meaningful changes and concludes with his advice for those looking to enter the climate space. 21 Oct 2024 The Parlor Room Sunil Gupta on Data-Driven Digital Marketing Strategies Chris Linnane Harvard Business School Professor... View Details

August 2022 (Revised June 2024)
Exercise

How Should Netflix Add an Ad-Supported Tier?

By: Elie Ofek and Olivier Toubia

In the summer of 2022, it became clear that Netflix would introduce an ad-supported tier alongside its existing subscription plans in the near future. Speculation abounded as to the details of the new tier: How many minutes of advertising would it include? What picture... View Details

Keywords: Pricing; Television Industry; Price; Marketing Strategy; Digital Platforms; Customer Value and Value Chain; Competitive Strategy; Customer Satisfaction; Entertainment and Recreation Industry