Publications
Publications
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- All HBS Web
(2,128)
- Faculty Publications (380)
- March 2021 (Revised March 2024)
- Case
M-KOPA: Empowering Lives
By: V. Kasturi Rangan, Wale Lawal and Pippa Tubman Armerding
The Pay As You Go solar power company in East Africa had sales of $71 million in 2019. It wished to grow to $300 million by 2025. M-KOPA, founded by three entrepreneurs in 2011, had grown nicely in Kenya and Uganda to reach nearly 750,000 households with an innovative... View Details
- Article
Internal Deadlines, Drug Approvals, and Safety Problems
By: Lauren Cohen, Umit Gurun and Danielle Li
Absent explicit quotas, incentives, reporting, or fiscal year-end motives, drug approvals around the world surge in December, at month-ends, and before respective major national holidays. Drugs approved before these informal deadlines are associated with significantly... View Details
- March 2021
- Article
Targeted Price Controls on Supermarket Products
By: Alberto Cavallo and Diego Aparicio
We study the impact of targeted price controls for supermarket products in Argentina from 2007 to 2015. Using web scraping, we collected daily prices for controlled and non-controlled goods and measured the differential effects on inflation, product availability, and... View Details
Keywords: Prices; Controls; Price Dispersion; Economics; Price; Cost Management; Goods and Commodities; Retail Industry; Argentina
- February 2021
- Case
Yellow Digital Retailers: Providing Solar Electricity to Transform Rural Africa
By: Lynda M. Applegate, Frank V. Cespedes and Michael Norris
In 2020, Mike Heyink and Maya Stewart, co-founders of the Pay-as-you-Go Solar company Yellow were considering how to grow their startup. They had achieved some success in their first market, Malawi, and had recently entered Uganda, where business was slower. What did... View Details
- 2024
- Working Paper
Public Debt and Investment Under Political Competition: Evidence from Toxic Loans
By: Julien Sauvagnat and Boris Vallée
We examine how political considerations shape local government responses to a substantial rise in indebtedness. We use the delayed yet sharp deterioration of “toxic” loans held by French municipalities as a quasi-natural experiment to empirically investigate such... View Details
- Article
Variety of Innovation in Global Value Chains
By: Giulio Buciuni and Gary P. Pisano
This article analyzes how the geography and organization of pre- and production stages in Global Value Chains (GVC) contribute to lead firms' innovation development. A novel approach in GVC studies is introduced based on transaction cost economics (TCE) and the... View Details
- January 2021
- Case
Digital Transformation 2.0: CEO Elie Girard at Atos
By: Tsedal Neeley and James Barnett
Elie Girard has taken the helm as CEO of Atos—multinational IT giant—to lead the company into the next era of digital transformation. Noticing that customers’ digital needs were evolving to become even more specialized and global in scope, he made a bold first step as... View Details
- June 2021
- Article
From Predictions to Prescriptions: A Data-driven Response to COVID-19
By: Dimitris Bertsimas, Léonard Boussioux, Ryan Cory-Wright, Arthur Delarue, Vassilis Digalakis Jr, Alexander Jacquillat, Driss Lahlou Kitane, Galit Lukin, Michael Lingzhi Li, Luca Mingardi, Omid Nohadani, Agni Orfanoudaki, Theodore Papalexopoulos, Ivan Paskov, Jean Pauphilet, Omar Skali Lami, Bartolomeo Stellato, Hamza Tazi Bouardi, Kimberly Villalobos Carballo, Holly Wiberg and Cynthia Zeng
The COVID-19 pandemic has created unprecedented challenges worldwide. Strained healthcare providers make difficult decisions on patient triage, treatment and care management on a daily basis. Policy makers have imposed social distancing measures to slow the disease, at... View Details
- 2021
- Working Paper
Real Credit Cycles
By: Pedro Bordalo, Nicola Gennaioli, Andrei Shleifer and Stephen J. Terry
We incorporate diagnostic expectations, a psychologically founded model of overreaction to news, into a workhorse business cycle model with heterogeneous firms and risky debt. A realistic degree of diagnosticity, estimated from the forecast errors of managers of U.S.... View Details
- January 2021
- Article
Turbulence, Firm Decentralization and Growth in Bad Times
By: Philippe Aghion, Nicholas Bloom, Brian Lucking, Raffaella Sadun and John Van Reenen
What is the optimal form of firm organization during “bad times”? We present a model of delegation within the firm to show that the effect is ambiguous. The greater turbulence following macro shocks may benefit decentralized firms because the value of local information... View Details
- 2023
- Working Paper
The Market for Healthcare in Low Income Countries
By: Abhijit Banerjee, Abhijit Chowdhury, Jishnu Das, Jeffrey Hammer, Reshmaan Hussam and Aakash Mohpal
Patient trust is an important driver of the demand for healthcare. But it may also impact supply:
doctors who realize that patients may not trust them may adjust their behavior in response. We
assemble a large dataset that assesses clinical performance using... View Details
- 2020
- Working Paper
Party-State Capitalism in China
By: Margaret Pearson, Meg Rithmire and Kellee Tsai
The “state capitalism” model, in which the state retains a dominant role as owner or investor-shareholder amidst the presence of markets and private firms, has received increasing attention, with China cited as the main exemplar. Yet as models evolve, so has China’s... View Details
- November 2020
- Article
Tackling Youth Unemployment: Evidence from a Labor Market Experiment in Uganda
By: Livia Alfonsi, Oriana Bandiera, Vittorio Bassi, Robin Burgess, Imran Rasul, Munshi Sulaiman and Anna Vitali
We design a labor market experiment to compare demand- and supply-side policies to tackle youth unemployment, a key issue in low-income countries. The experiment tracks 1700 workers and 1500 firms over four years to compare the effect of offering workers either... View Details
- 2021
- Working Paper
Time and the Value of Data
By: Ehsan Valavi, Joel Hestness, Newsha Ardalani and Marco Iansiti
Managers often believe that collecting more data will continually improve the accuracy of their machine learning models. However, we argue in this paper that when data lose relevance over time, it may be optimal to collect a limited amount of recent data instead of... View Details
- August 2020
- Article
Macroeconomic Drivers of Bond and Equity Risks
By: John Y. Campbell, Carolin E. Pflueger and Luis M. Viceira
Our new model of consumption-based habit generates time-varying risk premia on bonds and stocks from loglinear, homoskedastic macroeconomic dynamics. Consumers' first-order condition for the real risk-free bond generates an exactly loglinear consumption Euler equation,... View Details
- July 2020 (Revised January 2021)
- Case
Pattern Brands
By: Sunil Gupta, Elie Ofek and Julia Kelley
In March 2020, direct-to-consumer (DTC) company Pattern Brands needed to decide how to allocate resources across its different brands. Pattern Co-Founders Nick Ling and Emmett Shine hoped to avoid the pitfalls faced by some DTC companies—such as inability to scale and... View Details
Keywords: Direct-to-consumer; Brands and Branding; Marketing Channels; Marketing Strategy; Product Marketing; Product Launch; Product Positioning; Business Model; Business Startups; Growth and Development Strategy; Demand and Consumers; Business Strategy; Diversification; Competitive Advantage; Consumer Products Industry; Retail Industry; North and Central America; United States; New York (city, NY); New York (state, US)
- May 2020
- Teaching Note
Danone: Changing the Food System
By: David E. Bell, Federica Gabrieli, Daniela Beyersdorfer, Amy Klopfenstein and Aldo Sesia
Teaching Note for HBS No. 520-053.
This is a teaching note for the case “Danone: Changing the Food System?” The case examines the efforts of one of the world’s largest food and beverage companies to resolve the social, environmental, and economic issues within... View Details
This is a teaching note for the case “Danone: Changing the Food System?” The case examines the efforts of one of the world’s largest food and beverage companies to resolve the social, environmental, and economic issues within... View Details
- May 2020
- Article
Identifying Sources of Inefficiency in Health Care
By: Amitabh Chandra and Douglas O. Staiger
In medicine, the reasons for variation in treatment rates across hospitals serving similar patients are not well understood. Some interpret this variation as unwarranted and push standardization of care as a way of reducing allocative inefficiency. However, an... View Details
- 2020
- Working Paper
Sticky Capital Controls
By: Miguel Acosta-Henao, Laura Alfaro and Andres Fernandez
There is much ongoing debate on the merits of capital controls as effective policy instruments. The differing perspectives are due in part to a lack of empirical studies that look at the intensive margin of controls, which in turn has prevented a quantitative... View Details
- February 2020
- Case
Seso Global: Building a Blockchain-enabled Property Marketplace in Nigeria
By: Boris Vallee and Yang (Dolly) Yu
The mutual aspiration of addressing the housing shortage and improving real estate market efficiency led Daniel and Phillip to co-found Seso Global in 2017. Seso Global developed a unique integrated platform to streamline and rationalize the process of acquiring and... View Details