Publications
Publications
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- All HBS Web
(5,192)
- Faculty Publications (418)
- 2019
- Article
Time Series Experiments and Causal Estimands: Exact Randomization Tests and Trading
By: Iavor I Bojinov and Neil Shephard
We define causal estimands for experiments on single time series, extending the potential outcome framework to dealing with temporal data. Our approach allows the estimation of a broad class of these estimands and exact randomization based p-values for testing causal... View Details
- November 2019
- Supplement
Gillette: Cutting Prices to Regain Share
By: Benjamin C. Esty and Daniel Fisher
After losing market share to low-priced competitors such as Harry’s and Dollar Shave Club for several years, Gillette decided to fight back by cutting prices on its razors and blades in April 2017. Bonnie Herzog, an equity analyst at Wells Fargo, must assess how the... View Details
- November 2019
- Case
Gillette: Cutting Prices to Regain Share
By: Benjamin C. Esty and Daniel Fisher
After losing market share to low-priced competitors such as Harry’s and Dollar Shave Club for several years, Gillette decided to fight back by launching new products and increasing advertising. When these efforts failed to stem the losses, Gillette decided to cut the... View Details
- November 2019 (Revised April 2020)
- Case
Purple Innovation, Inc.: The Online to Offline Marketing Challenge
By: Elie Ofek and Nakisha Williams
This case focuses on Purple Innovation Inc. (Purple), a company that started out in the Direct to Consumer (DTC) mattress space. In late 2018, after a successful launch and IPO with sales predominantly originating from its website, Purple was looking to sustain its... View Details
- Article
How to Use Heuristics for Differential Privacy
By: Seth Neel, Aaron Leon Roth and Zhiwei Steven Wu
We develop theory for using heuristics to solve computationally hard problems in differential privacy. Heuristic approaches have enjoyed tremendous success in machine learning, for which performance can be empirically evaluated. However, privacy guarantees cannot be... View Details
- Article
The Role of Interactivity in Local Differential Privacy
By: Matthew Joseph, Jieming Mao, Seth Neel and Aaron Leon Roth
We study the power of interactivity in local differential privacy. First, we focus on the difference between fully interactive and sequentially interactive protocols. Sequentially interactive protocols may query users adaptively in sequence, but they cannot return to... View Details
- November 2019 (Revised January 2020)
- Supplement
Taiwan Semiconductor Manufacturing Company Limited: A Global Company's China Strategy (B)
By: William C. Kirby, Billy Chan and Dawn H. Lau
After the legendary founder of Taiwan Semiconductor Manufacturing Company (TSMC) retired, the new chairman had to grapple with fresh challenges related to its China market: a recently opened factory in China had to find ways to reverse its financial loss and meet its... View Details
- October 2019
- Case
Harlem Capital: Changing the Face of Entrepreneurship (A)
By: George Serafeim and David Freiberg
Jarrid Tingle and Henri Pierre-Jacques had spent the summer between their first and second years of their Harvard Business School MBA program fund raising for their start-up venture capital (VC) firm, Harlem Capital Partners. Harlem Capital was founded upon the... View Details
Keywords: Impact Investing; Gender Bias; Gender Inequality; Minority Representation; Entrepreneurial Finance; Investment Management; Investing; Inequality; Race And Ethnicity; Black Entrepreneurs; Black Inventors; Black Leadership; Venture Investing; Fund Raising; Venture Capital; Entrepreneurship; Diversity; Gender; Race; Equality and Inequality; Equity; Mission and Purpose; Investment Funds; Financial Services Industry; United States
- October 2019 (Revised June 2020)
- Case
Pantheon Ventures in 2019
By: Victoria Ivashina and Tonia Labruyere
The case discusses the strategy of Pantheon, a UK-based fund of funds investing in private equity. Client demands and preferences had changed in the aftermath of the 2008 global financial crisis and Pantheon had to adapt its business model to accommodate requests for... View Details
- 2020
- Working Paper
Tariff Passthrough at the Border and at the Store: Evidence from U.S. Trade Policy
By: Alberto Cavallo, Gita Gopinath, Brent Neiman and Jenny Tang
We use micro data collected at the border and the store to characterize the price impact of recent US trade policy on importers, exporters, and consumers. At the border, import tariff passthrough is much higher than exchange rate passthrough. Chinese exporters did not... View Details
- October 2019 (Revised February 2023)
- Case
Gupta Media: Performance Marketing in the Digital Age
By: V. Kasturi Rangan and Courtney Han
Gupta Media is a Digital Marketing firm started in 2005 that places advertisements and marketing promotions for its clients in digital media, mainly social media such as Facebook and Google. Over the years it had built its expertise in promoting music labels, artists... View Details
- October 2019
- Case
Kaspi.kz IPO
By: Victoria Ivashina and Esel Çekin
This case follows Kaspi.kz, a private equity (Baring Vostok) co-owned retail bank in Central Asia that evolved into a fintech, payments and e-commerce company. It provides insights into private equity financing, portfolio company management, and initial public offering... View Details
- October 2019
- Case
Hony Capital and Jushi Group
By: Josh Lerner, Shai Bernstein and Ann Leamon
Hony Capital, a multi-billion dollar private equity firm based in China, is investing in a subsidiary of Jushi Group, a Chinese company that is one of the world's largest fiberglass producers. The specific project will build a plant in the United States. In this case,... View Details
- October 2019
- Case
Street Symphony: Making Human Connections Through Music
By: Rohit Deshpandé
To Vijay Gupta, music was sacred. A highly accomplished and renowned violinist with The Los Angeles Philharmonic, Gupta believed the act of making and performing music was a deeply spiritual practice — one that had the power to heal audiences and musicians... View Details
- September 2019 (Revised August 2021)
- Case
It's All About Family: Esas Group
By: Christina R. Wing and Alpana Thapar
This case describes how Ali Sabancı and his sister Emine Sabancı Kamışlı, shareholders of Esas Group, one of Turkey’s largest family-owned investment firms, worked to grow and professionalize the business. While their father Şevket Sabancı, played an instrumental role... View Details
- August 2019 (Revised April 2020)
- Case
Transforming Hindustan Unilever
By: Krishna G. Palepu and Rachna Tahilyani
In October 2013, when Sanjiv Mehta had taken over the reins of Unilever’s business in India and the larger South Asia region, Hindustan Unilever (HUL) had been going through a difficult time. Caught in the midst of a weakening economy, falling consumer spending, and... View Details
- Article
Effect of Different Financial Incentive Structures on Promoting Physical Activity Among Adults: A Randomized Clinical Trial
By: Chethan Bachireddy, Andrew Joung, Leslie K. John, Francesca Gino, Bradford Tuckfield, Luca Foschini and Katherine L. Milkman
Importance: Few adults engage in recommended levels of physical activity. Financial incentives can promote physical activity, but little is known about how their structure influences their effectiveness; for example, whether incentives are more effective if they are... View Details
- July 2019
- Case
Four Products: Predicting Diffusion (2019)
By: John Gourville
One job of product managers, marketers, strategic planners, and other corporate executives is to predict what the demand will be for a new product. This task is easier for certain classes of new products than for others. For new consumer package goods, for instance,... View Details
- June 2019
- Article
Learning From Mum: Cross-National Evidence Linking Maternal Employment and Adult Children’s Outcomes
By: Kathleen L. McGinn, Mayra Ruiz Castro and Elizabeth Long Lingo
Analyses relying on two international surveys from over 100,000 men and women across 29 countries explore the relationship between maternal employment and adult daughters’ and sons’ employment and domestic outcomes. In the employment sphere, adult daughters, but not... View Details
- May 2019 (Revised September 2019)
- Case
Mobike and ofo: Dancing with Titans (A)
By: Shikhar Ghosh and Haibo Zhao
This case address pacing issues – how fast does a company need to scale? It also examines the role of investors in determining company strategy and exit.
Mobike and ofo were two dominant players in China’s emerging dockless bike-sharing market, that allowed users... View Details
Mobike and ofo were two dominant players in China’s emerging dockless bike-sharing market, that allowed users... View Details