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- September 2025
- Article
Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India
By: Shawn Cole, Tomoko Harigaya, Grady Killeen and Aparna Krishna
This paper evaluates a low-cost, customized soil nutrient management advisory service in India. As a methodological contribution, we examine whether and in which settings satellite measurements may be effective at estimating both agricultural yields and treatment... View Details
Keywords: Measurement and Metrics; Mathematical Methods; Analytics and Data Science; Agriculture and Agribusiness Industry; India
Cole, Shawn, Tomoko Harigaya, Grady Killeen, and Aparna Krishna. "Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India." Journal of Development Economics 176 (September 2025).
- 2025
- Working Paper
How Does Wage Inequality Affect the Labor Movement
By: Barbara Biasi, Zoë B. Cullen, Julia H. Gilman and Nina Roussille
This paper provides causal evidence on how wage inequality among workers affects the labor movement using three complementary research designs: a vignette experiment with union organizers, a natural policy experiment that increased wage inequality among Wisconsin... View Details
Biasi, Barbara, Zoë B. Cullen, Julia H. Gilman, and Nina Roussille. "How Does Wage Inequality Affect the Labor Movement." NBER Working Paper Series, No. 33978, July 2025.
- July 2025
- Article
On the Economic Origins of Concerns Over Women’s Chastity
By: Anke Becker
This paper studies the origins and function of customs and norms that intend to keep women from being promiscuous. Using large-scale survey data from more than 100 countries, I test the anthropological theory that a particular form of preindustrial... View Details
Keywords: Infibulation; Female Sexuality; Paternity Uncertainty; Concern About Women's Chastity; Pastoralism; Economic Anthropology; History; Gender; Social Issues; Culture
Becker, Anke. "On the Economic Origins of Concerns Over Women’s Chastity." Review of Economic Studies 92, no. 4 (July 2025): 2303–2329.
- May 2025
- Article
Punitive but Discerning: Reputation Can Fuel Ambiguously-Deserved Punishment, but Does Not Erode Sensitivity to Nuance
By: Jillian J. Jordan and Nour S. Kteily
The desire to appear virtuous can motivate people to punish wrongdoers, a desirable outcome when punishment is clearly deserved. Yet claims that “virtue signaling” is fueling a culture of outrage suggest that reputation concerns may inspire even potentially unmerited... View Details
Jordan, Jillian J., and Nour S. Kteily. "Punitive but Discerning: Reputation Can Fuel Ambiguously-Deserved Punishment, but Does Not Erode Sensitivity to Nuance." Journal of Personality and Social Psychology 128, no. 5 (May 2025): 1072–1102.
- 2025
- Working Paper
How Firms Respond to Worker Activism: Evidence from Global Supply Chains
By: Yanhua Bird, Jodi L. Short and Michael W. Toffel
Social movement pressures can lead organizations to concede and improve social performance to avoid disruption costs, but we theorize that such responses evoke concession costs that prompt organizations to shift resources and attention from other social domains whose... View Details
Keywords: Worker Activism; Labor Standards; Tradeoffs; Global Supply Chains; Internal Governance Structure; Public Opinion; Supply Chain; Corporate Accountability; Corporate Social Responsibility and Impact; Working Conditions
Bird, Yanhua, Jodi L. Short, and Michael W. Toffel. "How Firms Respond to Worker Activism: Evidence from Global Supply Chains." Harvard Business School Working Paper, No. 25-061, June 2025.
- 2025
- Working Paper
Fiscal Externalities of Transaction Taxes: Evidence from the Los Angeles Mansion Tax
By: Daniel Green, Vikram Jambulapati, Jack Liebersohn and Tejaswi Velayudhan
We estimate the fiscal externalities of a property transfer tax, the Los Angeles
“Mansion Tax”, on the revenues from property taxes when assessed values are closely
tied to transactions. In California, as in over half of U.S. states, growth in tax as-
sessments... View Details
Green, Daniel, Vikram Jambulapati, Jack Liebersohn, and Tejaswi Velayudhan. "Fiscal Externalities of Transaction Taxes: Evidence from the Los Angeles Mansion Tax." SSRN Working Paper Series, No. 5273034, June 2025.
- June 2025
- Article
Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion
By: Emma Frank, Kai Krautter, Wen Wu and Jon M. Jachimowicz
Prior research suggests that employees benefit from highly passionate teammates because passion spreads easily from one employee to the next. We develop theory to propose that life in high-passion teams may not be as uniformly advantageous as previously assumed. We... View Details
Keywords: Passion; Emotional Contagion; Emotions; Groups and Teams; Employees; Power and Influence; Performance Improvement
Frank, Emma, Kai Krautter, Wen Wu, and Jon M. Jachimowicz. "Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion." Administrative Science Quarterly 70, no. 2 (June 2025): 444–495.
- 2025
- Working Paper
An Empirical Examination of Business Climate Alliances: Effective and/or Harmful?
By: Matteo Gasparini and Peter Tufano
This research studies business alliances that seek to address climate change, offering empirical evidence to address claims advanced by alliance supporters and critics. We study eleven major alliances mostly focused on financial services firms and 424 major... View Details
Keywords: Antitrust; Climate Change; Financial Institutions; Competition; Network Effects; Alliances
Gasparini, Matteo, and Peter Tufano. "An Empirical Examination of Business Climate Alliances: Effective and/or Harmful?" Harvard Business School Working Paper, No. 25-060, May 2025.
- 2025
- Working Paper
Partisan Corporate Speech
By: William Cassidy and Elisabeth Kempf
We construct a novel measure of partisan corporate speech using natural language
processing techniques and use it to establish three stylized facts. First, the volume
of partisan corporate speech has risen sharply between 2012 and 2022. Second, this
increase has... View Details
Keywords: Natural Language Processing; Perspective; Communication; Public Opinion; Business and Shareholder Relations; Trends
Cassidy, William, and Elisabeth Kempf. "Partisan Corporate Speech." Harvard Business School Working Paper, No. 05-056, May 2025.
- Working Paper
Shifting Work Patterns with Generative AI
By: Eleanor W. Dillon, Sonia Jaffe, Nicole Immorlica and Christopher T. Stanton
We present evidence on how generative AI changes the work patterns of knowledge workers using
data from a 6-month-long, cross-industry, randomized field experiment. Half of the 7,137 workers
in the study received access to a generative AI tool integrated into the... View Details
Dillon, Eleanor W., Sonia Jaffe, Nicole Immorlica, and Christopher T. Stanton. "Shifting Work Patterns with Generative AI." NBER Working Paper Series, No. 33795, May 2025. (Conditionally Accepted at American Economic Review: Insights .)
- 2025
- Working Paper
Corporate Actions as Moral Issues
By: Zwetelina Iliewa, Elisabeth Kempf and Oliver Spalt
We examine nonpecuniary preferences across a broad set of corporate actions using a representative sample of the U.S. population. Our core findings, based on large-scale online surveys, are that (i) self-reported nonpecuniary concerns are large both for stock market... View Details
Iliewa, Zwetelina, Elisabeth Kempf, and Oliver Spalt. "Corporate Actions as Moral Issues." NBER Working Paper Series, No. 33749, May 2025.
- May 2025
- Article
The Effects of Medical Debt Relief: Evidence from Two Randomized Experiments
By: Raymond Kluender, Neale Mahoney, Francis Wong and Wesley Yin
Two in five Americans have medical debt, nearly half of whom owe at least $2,500. Concerned by this burden, governments and private donors have undertaken large, high-profile efforts to relieve medical debt. We partnered with RIP Medical Debt (now Undue Medical Debt)... View Details
Kluender, Raymond, Neale Mahoney, Francis Wong, and Wesley Yin. "The Effects of Medical Debt Relief: Evidence from Two Randomized Experiments." Quarterly Journal of Economics 140, no. 2 (May 2025): 1187–1241.
- 2025
- Working Paper
Generative AI Use by Capital Market Information Intermediaries: Evidence from Seeking Alpha
By: Mark Bradshaw, Chenyang Ma, Benjamin Yost and Yuan Zou
We study the use of generative AI for firm-specific financial analysis on the Seeking Alpha platform. We find that, after the initial launch of ChatGPT in November 2022, the share of AI-generated articles rose sharply to 13.4% of all articles, then declined in late... View Details
Keywords: Generative Ai; Seeking Alpha; Equity Research; Large Language Models; Gpt; AI and Machine Learning; Information Publishing; Financial Markets
Bradshaw, Mark, Chenyang Ma, Benjamin Yost, and Yuan Zou. "Generative AI Use by Capital Market Information Intermediaries: Evidence from Seeking Alpha." Harvard Business School Working Paper, No. 25-055, April 2025.
- 2025
- Working Paper
Prices and Concentration: A U-shape? Theory and Evidence from Renewables
By: Michele Fioretti, Junnan He and Jorge Tamayo
We show that when firms compete via supply functions, transferring high-cost
capacity to the largest, most efficient firm—thereby diversifying its production technologies
while increasing concentration—can lower prices by prompting the leader
to expand output and... View Details
Keywords: Diversified Production Technologies; Concentration Levels; Market Power; Supply Function Equilibrium; Hydropower; Energy Transition; Renewable Energy; Price; Competition; Supply and Industry; Energy Industry; Colombia
Fioretti, Michele, Junnan He, and Jorge Tamayo. "Prices and Concentration: A U-shape? Theory and Evidence from Renewables." Harvard Business School Working Paper, No. 25-049, April 2025.
- April 2025
- Article
Buying (Quality) Time Predicts Relationship Satisfaction
By: A.V. Whillans, Jessie Pow and Joe J. Gladstone
Seven studies examine the association between time-saving purchases (e.g., housecleaning and meal delivery services) and relationship satisfaction. Study 1 uses an eleven-year longitudinal panel survey to show that increases in time-saving purchases predict long-term... View Details
Whillans, A.V., Jessie Pow, and Joe J. Gladstone. "Buying (Quality) Time Predicts Relationship Satisfaction." Journal of Personality and Social Psychology 128, no. 4 (April 2025): 821–863.
- 2025
- Working Paper
Extractive Taxation and the French Revolution
By: Tommaso Giommoni, Gabriel Loumeau and Marco Tabellini
We study the fiscal determinants of the French Revolution, exploiting plausibly exogenous variation in the salt tax—a large source of royal revenues and one of the most extractive forms of taxation of the Ancien Régime. Implementing a Regression Discontinuity... View Details
Keywords: Extractive Taxation; Regime Change; French Revolution; State Capacity; Taxation; History; Government Administration; Attitudes; Public Opinion
Giommoni, Tommaso, Gabriel Loumeau, and Marco Tabellini. "Extractive Taxation and the French Revolution." Harvard Business School Working Paper, No. 25-047, April 2025. (Featured at VoxEU.)
- April 2025
- Article
Serving with a Smile on Airbnb: Analyzing the Economic Returns and Behavioral Underpinnings of the Host’s Smile
By: Shunyuan Zhang, Elizabeth Friedman, Kannan Srinivasan, Ravi Dhar and Xupin Zhang
Non-informational cues, such as facial expressions, can significantly influence judgments and interpersonal impressions. While past research has explored how smiling affects business outcomes in offline or in-store contexts, relatively less is known about how smiling... View Details
Keywords: Sharing Economy; Airbnb; Image Feature Extraction; Machine Learning; Facial Expressions; Prejudice and Bias; Nonverbal Communication; E-commerce; Consumer Behavior; Perception
Zhang, Shunyuan, Elizabeth Friedman, Kannan Srinivasan, Ravi Dhar, and Xupin Zhang. "Serving with a Smile on Airbnb: Analyzing the Economic Returns and Behavioral Underpinnings of the Host’s Smile." Journal of Consumer Research 51, no. 6 (April 2025): 1073–1097.
- April 2025
- Article
The Allocation of Socially Responsible Capital
By: Daniel Green and Benjamin N. Roth
Portfolio allocation decisions increasingly incorporate social values. We develop a tractable framework to study how competition between investors to own socially valuable assets affects social welfare. Relative to the most common social-investing strategies, we... View Details
Keywords: Socially Responsible Investing; Investment Portfolio; Welfare; Social Issues; Investment Return
Green, Daniel, and Benjamin N. Roth. "The Allocation of Socially Responsible Capital." Journal of Finance 80, no. 2 (April 2025): 755–781.
- 2025
- Working Paper
Tracking the Short-Run Price Impact of U.S. Tariffs
By: Alberto Cavallo, Paola Llamas and Franco Vazquez
This paper examines the short-run impact of the 2025 U.S. tariffs on consumer prices using a unique integration of high-frequency retail pricing data, product-level country-of-origin information, and detailed tariff classifications. By linking daily prices from major... View Details
Cavallo, Alberto, Paola Llamas, and Franco Vazquez. "Tracking the Short-Run Price Impact of U.S. Tariffs." Working Paper, April 2025.
- 2025
- Working Paper
Private Equity and Workers: Modeling and Measuring Monopsony, Implicit Contracts, and Efficient Reallocation
By: Kyle Herkenhoff, Josh Lerner, Gordon M. Phillips, Francisca Rebelo and Benjamin Sampson
We measure the real effects of private equity buyouts on worker outcomes by building a new
database that links transactions to matched employer-employee data in the United States. To
guide our empirical analysis, we derive testable implications from three theories in... View Details
Herkenhoff, Kyle, Josh Lerner, Gordon M. Phillips, Francisca Rebelo, and Benjamin Sampson. "Private Equity and Workers: Modeling and Measuring Monopsony, Implicit Contracts, and Efficient Reallocation." Harvard Business School Working Paper, No. 25-046, March 2025. (Revised June 2025.)