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- September 2025
- Article
Sticky Capital Controls
By: Miguel Acosta-Henao, Laura Alfaro and Andrés Fernández
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
Keywords: Capital Controls; Macroprudential Policies; Stickiness; Intensive; (S, S) Costs; Capital; Management; Macroeconomics; Governance Controls; Mathematical Methods
Acosta-Henao, Miguel, Laura Alfaro, and Andrés Fernández. "Sticky Capital Controls." Art. 104104. Journal of International Economics 157 (September 2025).
- August 5, 2025
- Article
Data-driven Equation Discovery Reveals Nonlinear Reinforcement Learning in Humans
By: Kyle J. LaFollette, Janni Yuval, Roey Schurr, David Melnikoff and Amit Goldenberg
Computational models of reinforcement learning (RL) have significantly contributed to our understanding of human behavior and decision-making. Traditional RL models, however, often adopt a linear approach to updating reward expectations, potentially oversimplifying the... View Details
Keywords: AI and Machine Learning; Behavior; Learning; Motivation and Incentives; Mathematical Methods
LaFollette, Kyle J., Janni Yuval, Roey Schurr, David Melnikoff, and Amit Goldenberg. "Data-driven Equation Discovery Reveals Nonlinear Reinforcement Learning in Humans." Proceedings of the National Academy of Sciences 122, no. 31 (August 5, 2025).
- July 2025
- Course Overview Note
Field Course: Life Sciences Venture Creation Fall Term 2025 - Course Outline and Syllabus
By: Satish Tadikonda and William Marks
- April 2025 (Revised May 2025)
- Background Note
Customer Acquisition and the Cash Flow Trap
By: E. Ofek, Barak Libai and Eitan Muller
Startups as well as existing firms recognize the need to invest in order to acquire customers for their new ventures. And as each customer is expected at some point to have generated sufficient gross margins to cover their CAC, management expects that, soon enough, the... View Details
Keywords: Business Model; Customers; Forecasting and Prediction; Cash Flow; Business or Company Management
Ofek, E., Barak Libai, and Eitan Muller. "Customer Acquisition and the Cash Flow Trap." Harvard Business School Background Note 525-056, April 2025. (Revised May 2025.)
- April 2025
- Article
Dynamic Silos: Increased Modularity and Decreased Stability in Intra-organizational Communication Networks During the COVID-19 Pandemic
By: Tiona Zuzul, Emily Cox Pahnke, Jonathan Larson, Christopher White, Patrick Bourke, Nicholas Caurvina, Neha Parikh Shah, Fereshteh Amini, Youngser Park, Joshua Vogelstein, Jeffrey Weston and Carey E. Priebe
Workplace communications around the world were drastically altered by COVID-19, related work-from-home orders, and the rise of remote work. To understand these shifts, we analyzed aggregated, anonymized metadata from over 360 billion emails within 4,361 organizations... View Details
Zuzul, Tiona, Emily Cox Pahnke, Jonathan Larson, Christopher White, Patrick Bourke, Nicholas Caurvina, Neha Parikh Shah, Fereshteh Amini, Youngser Park, Joshua Vogelstein, Jeffrey Weston, and Carey E. Priebe. "Dynamic Silos: Increased Modularity and Decreased Stability in Intra-organizational Communication Networks During the COVID-19 Pandemic." Management Science 71, no. 4 (April 2025): 3428–3448.
- April 2025
- Article
The Fed and the Secular Decline in Interest Rates
In this paper I document a striking fact: a narrow window around Fed meetings fully captures the secular decline in U.S. Treasury yields since 1980. By contrast, yield movements outside this window are transitory and wash out over time. This is surprising because the... View Details
Keywords: United States Treasury; Monetary Policy; Yield Curve; Bonds; Financial Markets; Government Administration; Valuation; Interest Rates; United States
Hillenbrand, Sebastian. "The Fed and the Secular Decline in Interest Rates." Review of Financial Studies 38, no. 4 (April 2025): 981–1013. (Editor's Choice selection and Winner of the WFA Brattle Group Ph.D. Award for Outstanding Research.)
- 2025
- Working Paper
Unwinding Loan Prospecting Pressure Through Renegotiation: The Role of Loan Officer Changes in Debt Contracting
By: Jung Koo Kang, Regina Wittenberg Moerman and Jessie Cheong
We examine the impact of loan officer changes on debt contract design. Loan officers play a critical role in initiating and maintaining lending relationships but also face pressure to originate more loans, incentivizing them to offer loan terms more favorable than... View Details
Keywords: Financing and Loans; Borrowing and Debt; Contracts; Negotiation; Motivation and Incentives
Kang, Jung Koo, Regina Wittenberg Moerman, and Jessie Cheong. "Unwinding Loan Prospecting Pressure Through Renegotiation: The Role of Loan Officer Changes in Debt Contracting." Working Paper, March 2025.
- February 2025 (Revised February 2025)
- Case
What's Heiring Next? The Saga of the Murdoch Media Empire
By: Lauren Cohen, Mayra Gazel and Sophia Pan
As Lachlan Murdoch left the courthouse, he puzzled on the next phase of his battle for control over his father Rupert Murdoch’s media empire. With Rupert aging and his siblings determined to retain their voting rights, Lachlan was convinced that the future of News... View Details
- 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
Ivashina, Victoria, and Srimayi Mylavarapu. "Arsenal Capital Partners' Refinancing of Pinnacle." Harvard Business School Case 225-075, January 2025.
- Working Paper
AI in Disguise—How AI-generated Ads' Visual Cues Shape Consumer Perception and Performance
By: Yannick Exner, Jochen Hartmann, Oded Netzer and Shunyuan Zhang
Generative AI’s recent advancements in creating content have offered vast potential to transform the advertising industry. This research investigates the impact of generative AI-enabled visual ad creation on real-world advertising effectiveness. For this purpose, we... View Details
Keywords: Digital Marketing; AI and Machine Learning; Advertising; Consumer Behavior; Advertising Industry
Exner, Yannick, Jochen Hartmann, Oded Netzer, and Shunyuan Zhang. "AI in Disguise—How AI-generated Ads' Visual Cues Shape Consumer Perception and Performance." SSRN Working Paper Series, No. 5096969.
- January 2025
- Case
Driving Efficiency and Sustainability at P&G China
By: Feng Zhu, Philip Kuai and Billy Chan
P&G China’s business had reached new heights thanks to the explosive growth of e-commerce in the country, but the rapidly increasing volume of shipments to customers had created operational and environmental challenges in terms of packaging waste, shipping damage, and... View Details
- December 2024
- Case
Xtalic
By: Joshua Lev Krieger and Jim Matheson
This case study examines the commercialization efforts of Xtalic, a startup founded by MIT scientists based on their discovery of a novel material science method to protect metal substrates. The case focuses on the strategic decisions involved in bringing this... View Details
- 2025
- Working Paper
Policy-Aware Experimentation: Strategic Sampling for Optimized Targeting Policies
By: Yi-Wen Chen, Eva Ascarza and Oded Netzer
Firms often rely on randomized experiments to estimate customer-level treatment effects for targeting policies. Standard "test-then-learn" approaches typically sample customers uniformly to optimize estimation accuracy but ignore economic objectives, leading to... View Details
Chen, Yi-Wen, Eva Ascarza, and Oded Netzer. "Policy-Aware Experimentation: Strategic Sampling for Optimized Targeting Policies." Columbia Business School Research Paper Series, No. 5044549, December 2024. (Revised June 2025.)
- November 2024
- Teaching Note
Mercado Bitcoin: M&A, IPO, or Series B?
By: Raymond Kluender, Emanuele Colonnelli and Sabrina Howell
Teaching Note for HBS Case No. 825-047. In April 2021, Brazilian cryptocurrency platform Mercado Bitcoin, had to decide how to scale: go public, M&A with a bank, or take a VC big check. In a highly volatile market, Roberto Dagnoni, chairman of the board, viewed the... View Details
Keywords: Cryptocurrency; Mergers and Acquisitions; Business Growth and Maturation; Business Startups; Decision Making; Going Public; Ownership Stake; Strategic Planning; Venture Capital; Problems and Challenges; Business Cycles; Digital Platforms; Emerging Markets; Market Timing; Expansion; Diversification; Valuation; Value Creation; Investment Funds; Initial Public Offering; Price; Price Bubble; Negotiation Offer; Information Technology Industry; Financial Services Industry; Brazil; Latin America
- November 2024
- Technical Note
Is a Single-Family Office Right for You?
By: Christina R. Wing, George Jackoboice and Justin Huang
Twenty years ago, the term “family office” was used infrequently and often reserved for the most storied families such as the Rockefellers or the Kennedys. Now, “family office” is on the tip of the tongue of every investor, wealth manager, and company. However, the... View Details
Wing, Christina R., George Jackoboice, and Justin Huang. "Is a Single-Family Office Right for You?" Harvard Business School Technical Note 625-073, November 2024.
- November 2024
- Article
On the Representativeness of Voter Turnout
By: Louis Kaplow and Scott Duke Kominers
Prominent theory research on voting analyzes a variety of models in which expected pivotality drives voters' turnout decisions and hence determines voting outcomes. It is recognized, however, that such work is at odds with Downs's paradox: in practice, many... View Details
Keywords: Voting Behavior; Voting Turnout; Paradox Of Voting; Pivotality; Elections; Model; Theory; Governance Transparency; Government; Democracy; Turnout; Voting; Governance; Government and Politics; Public Sector; Political Elections
Kaplow, Louis, and Scott Duke Kominers. "On the Representativeness of Voter Turnout." Journal of Law & Economics 67, no. 4 (November 2024): 879–904.
- November 2024
- Article
Perceptions About Monetary Policy
By: Michael D. Bauer, Carolin Pflueger and Adi Sunderam
We estimate perceptions about the Federal Reserve’s monetary policy rule from panel data on professional forecasts of interest rates and macroeconomic conditions. The perceived dependence of the federal funds rate on economic conditions varies substantially over time,... View Details
Bauer, Michael D., Carolin Pflueger, and Adi Sunderam. "Perceptions About Monetary Policy." Quarterly Journal of Economics 139, no. 4 (November 2024): 2227–2278.
- 2024
- Article
Supply and Demand and the Term Structure of Interest Rates
By: Robin Greenwood, Samuel Hanson and Dimitri Vayanos
We survey the growing literature emphasizing the role that supply-and-demand forces play in shaping the term structure of interest rates. Our starting point is the Vayanos and Vila (2009, 2021) model of the term structure of default-free bond yields, which we present... View Details
Greenwood, Robin, Samuel Hanson, and Dimitri Vayanos. "Supply and Demand and the Term Structure of Interest Rates." Annual Review of Financial Economics 16 (2024): 115–151.
- October 2024
- Case
NextGen CDR Facility: From Davos to Details
By: Peter Tufano, Emily A. Chien and Karina Val
Next Gen CDR is a startup that pools corporate commitments to purchase Tech CDR, which promises to permanently remove and store carbon from the atmosphere to combat climate change. A partnership between South Pole and Mitsubishi Corp., Next Gen has secured initial... View Details
Keywords: Climate Change; Partners and Partnerships; Corporate Governance; Investment; Agreements and Arrangements
Tufano, Peter, Emily A. Chien, and Karina Val. "NextGen CDR Facility: From Davos to Details." Harvard Business School Case 325-056, October 2024.
- October 2024
- Case
Allurion: Competing in the Age of GLP-1
By: Satish Tadikonda, Rajiv Lal, David Lane and Sarah Sasso
Shantanu Gaur had built Allurion into a formidable business internationally, providing obesity patients with a less invasive option long before GLP-1 drugs became the latest craze. Selling Allurion's medical device across 60+ countries, he awaited FDA approval to bring... View Details