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Publications
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- 2024
- Working Paper
Why Has Construction Productivity Stagnated? The Role of Land-Use Regulation
By: Leonardo D’Amico, Edward Glaeser, Joseph Gyourko, William Kerr and Giacomo A. M. Ponzetto
We document a Kuznets curve for construction productivity in 20th-century America.
Homes built per construction worker remained stagnant between 1900 and 1940, boomed after
World War II, and then plummeted after 1970. The productivity boom from 1940 to 1970
shows... View Details
- 2024
- Working Paper
Generative AI and the Nature of Work
By: Manuel Hoffmann, Sam Boysel, Frank Nagle, Sida Peng and Kevin Xu
Recent advances in artificial intelligence (AI) technology demonstrate considerable potential to
complement human capital intensive activities. While an emerging literature documents wide-ranging productivity
effects of AI, relatively little attention has been paid... View Details
- 2024
- Working Paper
Lessons from an App Update at Replika AI: Identity Discontinuity in Human-AI Relationships
By: Julian De Freitas, Noah Castelo, Ahmet Uğuralp and Zeliha Uğuralp
Can consumers form deep emotional bonds with AI and be vested in AI identities over time? We
leverage a natural app-update event at Replika AI, a popular US-based AI companion, to shed
light on these questions. We find that customers feel closer to their AI companion... View Details
- 2024
- Working Paper
The Effect of a System for Sharing Best Practices Within Pre-existing Peer Networks
By: Shelley Xin Li and Tatiana Sandino
Peer networks, such as enterprise social networks (ESNs), can facilitate knowledge transfer across employees. However, such systems can also lead to information overload or difficulty in finding useful information. We examine data from a natural field experiment where... View Details
- July 2024
- Article
Chatbots and Mental Health: Insights into the Safety of Generative AI
By: Julian De Freitas, Ahmet Kaan Uğuralp, Zeliha Uğuralp and Stefano Puntoni
Chatbots are now able to engage in sophisticated conversations with consumers. Due to the ‘black box’ nature of the algorithms, it is impossible to predict in advance how these conversations will unfold. Behavioral research provides little insight into potential safety... View Details
- July–August 2024
- Article
Doing More with Less: Overcoming Ineffective Long-Term Targeting Using Short-Term Signals
By: Ta-Wei Huang and Eva Ascarza
Firms are increasingly interested in developing targeted interventions for customers with the best response,
which requires identifying differences in customer sensitivity, typically through the conditional average treatment
effect (CATE) estimation. In theory, to... View Details
- July 2024
- Case
Replika AI: Alleviating Loneliness (A)
By: Shikhar Ghosh and Shweta Bagai
Eugenia Kuyda launched Replika AI in 2017 as an empathetic digital companion to combat loneliness and provide emotional support. The platform surged in popularity during the COVID-19 pandemic, offering non-judgmental support to isolated users. By 2023, Replika boasted... View Details
- June 2024 (Revised October 2024)
- Background Note
Politics Comes to ESG Investing
By: Shawn Cole and Jonah Zahnd
While the past decade has seen a dramatic increase in the incorporation of Environmental, Social and Governance (ESG) standards into investor practices, this momentum has shifted recently in the United States, as some politicians argued that ESG investing practices... View Details
- June 2024
- Case
Vinalhaven: The Downtown Project
By: Richard S. Ruback, Matthew Preble, Ruth Page and Dave Habeeb
Vinalhaven is an island community located approximately 12 miles off the coast of Maine. The island has a year-round population of about 1,300 people as of 2022, with an additional 3,000 people who reside on the island in the summer months. The two largest industries... View Details
- June 2024 (Revised September 2024)
- Case
Driving Scale with Otto
By: Rebecca Karp, David Allen and Annelena Lobb
This case asks how startup founders make scaling decisions in light of their priorities for their business and for themselves. Otto was a technology company that applied artificial intelligence technology to sales. It deployed natural language processing to find sales... View Details
Keywords: Artificial Intelligence; Natural Language Processing; B2B; B2B Innovation; Scaling; Scaling Tech Ventures; Business Startups; AI and Machine Learning; Finance; Sales; Business Strategy; Growth and Development Strategy; Entrepreneurship; Information Technology Industry; United States; Cambridge; New York (city, NY); Spain
- May 20, 2024
- Article
Porter’s Five Forces and Competitive Advantage in Web3
By: Scott Duke Kominers and Liang Wu
Competitive strategy — the art of crafting and executing plans to achieve an advantageous position in the market — is integral to any business, and especially relevant for platforms because it determines their ability to achieve network effects and scale. But web3... View Details
- May 2024
- Case
HarvEast
By: Jeremy Friedman and Natalie Kindred
In late 2023, Dmitry Skornyakov, CEO of Ukrainian agribusiness HarvEast, was navigating the turmoil caused by Russia’s invasion of Ukraine that began in 2014 and escalated into full-scale war in February 2022. Before the full-scale invasion, HarvEast managed 127,000... View Details
Keywords: Goods and Commodities; Natural Resources; Food; Problems and Challenges; Adaptation; Innovation and Management; Crisis Management; Logistics; Supply Chain; Risk and Uncertainty; Loss; Trust; Human Needs; War; Agriculture and Agribusiness Industry; Chile; South America; Latin America; Ukraine
- April 2024
- Article
A Machine Learning Algorithm Predicting Risk of Dilating VUR among Infants with Hydronephrosis Using UTD Classification
By: Hsin-Hsiao Scott Wang, Michael Lingzhi Li, Dylan Cahill, John Panagides, Tanya Logvinenko, Jeanne Chow and Caleb Nelson
Backgrounds: Urinary Tract Dilation (UTD) classification has been designed to be a more objective grading system to evaluate antenatal and post-natal UTD. Due to unclear association between UTD classifications to specific anomalies such as vesico-ureteral reflux (VUR),... View Details
- April 2024
- Article
America’s Crisis of Civic Virtue
By: Arthur C. Brooks
The world is witnessing a loss of faith in both capitalism and democracy, which seemed nearly unimaginable just a generation ago. Many blame “the other party.” Others blame capitalism’s flaws, as market systems increase inequality, which is inherently undemocratic —... View Details
- 2024
- Working Paper
Social Movements and Public Opinion in the United States
By: Amory Gethin and Vincent Pons
Recent social movements stand out by their spontaneous nature and lack of stable leadership, raising doubts on their ability to generate political change. This article provides systematic evidence on the effects of protests on public opinion and political attitudes.... View Details
- March 2024 (Revised September 2024)
- Case
Norway: An Embarrassment of Riches
By: Sophus A. Reinert, Forest Reinhardt and Jens-Henrik Munthe-Kaas
- March 2024
- Case
From 'BIG' Ideas to Sustainable Impact at ICL Group (A)
By: Linda A. Hill and Lydia Begag
In the summer of 2023, Eduard (“Eddie”) Croitoru, Vice President (VP) of ICL Group (“ICL”) Corporate Initiatives, was reflecting on ICL’s internal ideation program, the Business Innovation for Growth (BIG) Accelerator. When Raviv Zoller became the CEO of ICL in 2018,... View Details
Keywords: Change Management; Agribusiness; Accounting; Communication; Renewable Energy; Chemicals; Machinery and Machining; Metals and Minerals; Mining; Social Entrepreneurship; Corporate Entrepreneurship; Values and Beliefs; Environmental Sustainability; Natural Resources; Globalization; Information Technology; Collaborative Innovation and Invention; Leadership; Organizational Culture; Personal Development and Career; Talent and Talent Management; Manufacturing Industry; Agriculture and Agribusiness Industry; Chemical Industry; Israel; China; United States
- March 2024 (Revised April 2024)
- Supplement
From 'BIG' Ideas to Sustainable Impact at ICL Group (B)
By: Linda A. Hill and Lydia Begag
In August 2023, Raviv Zoller, CEO of ICL Group, discussed his upcoming business trip to St. Louis with Eduard Croitoru, VP of ICL Corporate Initiatives, to commemorate the construction of ICL's new $400 million advanced manufacturing facility. In preparation for the... View Details
Keywords: Change Management; Agribusiness; Accounting; Communication; Renewable Energy; Chemicals; Machinery and Machining; Metals and Minerals; Mining; Social Entrepreneurship; Corporate Entrepreneurship; Values and Beliefs; Environmental Sustainability; Natural Resources; Globalization; Information Technology; Collaborative Innovation and Invention; Leadership; Organizational Culture; Personal Development and Career; Partners and Partnerships; Manufacturing Industry; Agriculture and Agribusiness Industry; Chemical Industry; Battery Industry; Israel; United States; China
- March 2024
- Case
Hippo: Weathering the Storm of the Home Insurance Crisis
By: Lauren Cohen, Grace Headinger and Sophia Pan
Rick McCathron, CEO of Hippo, considered how the firm’s underwriting model could account for the effects of climate change. Along with providing smart home packages, targeting risk-friendly customers, and using data-driven pricing, the Insurtech used technologically... View Details
Keywords: Fintech; Underwriters; Big Data; Insurance Companies; Business Model Design; Weather Insurance; Business Model; Forecasting and Prediction; Climate Change; Environmental Sustainability; Green Technology; Technological Innovation; Natural Environment; Natural Disasters; Weather; Business Strategy; Competitive Advantage; Business Earnings; Insurance; Social Issues; Insurance Industry; United States; California
- March 2024
- Article
Flight to Safety: How Economic Downturns Affect Talent Flows to Startups
By: Shai Bernstein, Richard Townsend and Ting Xu
Using proprietary data from AngelList Talent, we study how individuals’ job search and application behavior changed during the COVID-19 downturn. We find that job seekers shifted their searches toward more established firms and away from early-stage startups, even... View Details