Publications
Publications
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- All HBS Web
(522)
- Faculty Publications (158)
- September 2023
- Article
Customer Churn and Intangible Capital
By: Scott R. Baker, Brian Baugh and Marco Sammon
Intangible capital is a crucial and growing piece of firms’ capital structure, but many of its distinct components are difficult to measure. We develop and make available several new firm-level metrics regarding a key component of intangible capital – firms’ customer... View Details
- September 2023
- Supplement
Super Quantum: Using Artificial Intelligence to Transform Asset Management (B)
By: Feng Zhu and Kerry Herman
Dr. Zhang, CEO of Super Quantum, an AI-driven hedge fund, is considering an investor’s request to withdraw their funds as the markets experience volatility. Should he pull the investor’s funds? View Details
- September 2023
- Case
Super Quantum: Using Artificial Intelligence to Transform Asset Management (A)
By: Feng Zhu and Kerry Herman
Dr. Zhang, CEO of Super Quantum, an AI-driven hedge fund, is considering an investor’s request to withdraw their funds as the markets experience volatility. Should he pull the investor’s funds? View Details
- August 2023
- Case
Kariyer.net: Recruiting AI
By: Shunyuan Zhang, Fares Khrais and Namrata Arora
In 2017, Fatih Uysal (AMP 2021) became CEO of Kariyer.net. By then, the business was already the industry leading online job board in Turkey. However, faced with stalling growth, a turbulent macroenvironment, and growing competition from international players, Uysal... View Details
Keywords: Online Technology; Marketing; Websites; Artificial Intelligence; Innovation; Two-sided Platforms; Internet and the Web; Product Launch; Product Positioning; Job Search; Employment; Transformation; Volatility; Innovation and Invention; Disruptive Innovation; Management Practices and Processes; Business Growth and Maturation; Competitive Strategy; Business Startups; Talent and Talent Management; Cost vs Benefits; Macroeconomics; Corporate Entrepreneurship; Emerging Markets; Digital Platforms; Employment Industry; Information Technology Industry; Technology Industry; Middle East; Turkey
- June 2023
- Case
Block: Creating an Ecosystem of Ecosystems
By: Lauren Cohen, Richard Ryffel, Grace Headinger and Ruoshi Qi
At Investor Day 2022, Block announced a new vision for its businesses: creating an ecosystem of ecosystems. Outside the norm for many public growth companies, Block had recently acquired a variety of new business streams in the creator economy and Bitcoin despite a... View Details
Keywords: Business Growth; Fintech; Company Management; Growth Strategy; Innovation And Strategy; Acquisition; Business Growth and Maturation; Business Model; Change; Finance; Growth Management; Growth and Development Strategy; Innovation Strategy; Technological Innovation; Communication Strategy; Corporate Strategy; Business Strategy; Financial Services Industry; Technology Industry; United States; California; San Francisco
- April 12, 2023
- Article
Using AI to Adjust Your Marketing and Sales in a Volatile World
By: Das Narayandas and Arijit Sengupta
Why are some firms better and faster than others at adapting their use of customer data to respond to changing or uncertain marketing conditions? A common thread across faster-acting firms is the use of AI models to predict outcomes at various stages of the customer... View Details
- April 2023
- Article
Are Intermediary Constraints Priced?
By: Wenxin Du, Benjamin Hebert and Amy Wang Huber
Violations of no-arbitrage conditions measure the shadow cost of intermediary constraints. Intermediary asset pricing and intertemporal hedging together imply that the risk of these constraints tightening is priced. We describe a “forward CIP trading strategy” that... View Details
- 2022
- Book
Healthy Buildings: How Indoor Spaces Can Make You Sick—or Keep You Well
By: Joseph G. Allen and John D. Macomber
For too long we’ve designed buildings that haven’t focused on the people inside—their health, their ability to work effectively, and what that means for the bottom line. An authoritative introduction to a movement whose vital importance is now all too clear, Healthy... View Details
- 2022
- Working Paper
Overreaction and Diagnostic Expectations in Macroeconomics
By: Pedro Bordalo, Nicola Gennaioli and Andrei Shleifer
We present the case for the centrality of overreaction in expectations for addressing important challenges in finance and macroeconomics. First, non-rational expectations by market participants can be measured and modeled in ways that address some of the key challenges... View Details
- July 2022 (Revised September 2022)
- Case
Birla Carbon Egypt: Building Soft Power in a Foreign Country
By: Jeremy Friedman and Malini Sen
Birla Carbon, a flagship business of the nearly $60-billion global conglomerate and India-headquartered Aditya Birla Group (ABG), is one of the world's top manufacturers and suppliers of high-quality carbon black. The largest among its 16 manufacturing plants is Birla... View Details
Keywords: Acquisition; Family Business; Disruption; Transformation; Diversity; Trade; Energy; Values and Beliefs; Cross-Cultural and Cross-Border Issues; Global Strategy; Government and Politics; Private Ownership; Civil Society or Community; Risk and Uncertainty; Value Creation; Industrial Products Industry; Rubber Industry; Egypt; Africa; India; Asia; Atlanta; United States
- 2022
- Article
Regulatory Treatment of Changes in Fair Value and the Composition of Banks' Investment Portfolios
By: Michael Iselin, Jung Koo Kang and Joshua Madsen
In their implementation of Basel III, U.S. bank regulators are again including changes in the fair value of available-for-sale (AFS) debt securities in Tier 1 capital, but only for the largest U.S. banks. This paper investigates a potential impact of expanding this... View Details
- May 2022
- Case
From GOP to NFT: Anthony Scaramucci and the Launch of Flatter NFT
By: Lauren Cohen, Richard Ryffel and Grace Headinger
Anthony Scaramucci, Managing Director of SkyBridge Capital, considered whether he should officially greenlight the launch of SkyBridge’s own NFT platform — Flatter NFT. He had led the investment firm to push first into Bitcoin and then Ethereum to make SkyBridge a... View Details
Keywords: Business Startup; Fintech; Technology; Cryptocurrency; Web3; Business Startups; Volatility; Decision Making; Entertainment; Entrepreneurship; Investment; Strategic Planning; Adoption; Competitive Advantage; Technology Adoption; Finance; Currency; Banking Industry; Financial Services Industry; Technology Industry; New York (city, NY)
- March 2022 (Revised February 2024)
- Case
El Salvador: Launching Bitcoin as Legal Tender
By: Laura Alfaro, Carla Larangeira and Ruth Costas
In June 2021, Nayib Bukele, El Salvador’s president, surprised the world with the announcement that the country would adopt bitcoin as legal tender, becoming the first nation to do so. Bitcoin was mostly used for trading and had one of the most volatile track records... View Details
- March 2022 (Revised March 2024)
- Case
Hometown Foods: Changing Price amid Inflation
During the early part of the 2021 Covid-19 pandemic, Hometown Foods, a large seller of flour-based products, thrived as consumers hoarded baked goods and took up baking to pass the time and find comfort. Then, amid growing shortages in commodities, a vaccine arrived,... View Details
- 2024
- Working Paper
What Triggers National Stock Market Jumps?
By: Scott R. Baker, Nicholas Bloom, Steven J. Davis and Marco Sammon
We examine newspapers the day after major stock-market jumps to evaluate the proximate cause, geographic source, and clarity of these events from 1900 in the US, 1930 in the UK and 1980 in 12 other countries. We find four main results. First, the United States plays an... View Details
- December 2021
- Case
Grace Capital
By: Sara Fleiss, Robin Greenwood, Eren Kuzucu and Denise Han
In March 2020, the global pandemic was delivering a dose of volatility to the U.S. economy. Catherine Faddis, the CIO of Grace Capital, a Boston-based long-only equity manager, analyzed movements in her portfolio while eyeing previously shelved opportunities to invest... View Details
- December 2021
- Article
Trade Policy Uncertainty and Stock Returns
By: Marcelo Bianconi, Federico Esposito and Marco Sammon
A recent literature has documented large real effects of trade policy uncertainty (TPU) on trade, employment, and investment, but there is little evidence that investors are compensated for bearing such risk. To quantify the risk premium associated with TPU, we exploit... View Details
- 2025
- Working Paper
How Do Households Suppress the Price of Tail Risk?
By: Laurent Calvet, Claire Célérier, Gordon Liao and Boris Vallée
This paper investigates the effects of the issuance of retail products with non-linear payoffs on option prices. For a given underlying asset, when the outstanding volume of products embedding a short-put position increases, implied volatility at the corresponding... View Details
- March 2021
- Supplement
Snapp: Scaling Under Sanctions in Iran (B)
By: Meg Rithmire and Gamze Yucaoglu
The case opens in November 2020 as Eyad Alkassar and Mahmoud Fouz, co-founders of Iran’s first and leading ride-hailing platform, Snapp, eagerly await the results of the U.S. presidential elections.
The case takes us through the challenging times between... View Details
The case takes us through the challenging times between... View Details
Keywords: Sanctions; Change Management; Disruption; Volatility; Decision Choices and Conditions; Cross-Cultural and Cross-Border Issues; Government and Politics; International Relations; National Security; Crisis Management; Risk Management; Health Pandemics; Transportation Industry; Middle East; Iran
- Article
CDS Trading and Nonrelationship Lending Dynamics
By: Jung Koo Kang, Christopher Williams and Regina Wittenberg-Moerman
We investigate how credit default swaps (CDSs) affect lenders’ incentives to initiate new lending relationships. We predict that CDSs reduce adverse selection that nonrelationship lead arrangers face when competing for loans. Consistently, we find that a loan is... View Details