Returns - Publications - Faculty & Research - Harvard Business School

Filter Results: (817)

Filter Results: (817)

Show Results For

Page 1 of 817 Results →

Are you looking for?

→Search All HBS Web

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 alliance mostly focused on financial services firms and 424 major... View Details

Keywords: Antitrust; Climate Change; Financial Institutions; Competition; Network Effects; Alliances

Working Paper

Index Rebalancing and Stock Market Composition: Do Indexes Time the Market?

By: Marco Sammon and John J. Shim

Value-weighted indexes must rebalance in response to stock market composition changes, e.g., issuance, buybacks, and IPOs. In doing so, existing index funds implicitly engage in market timing. Index funds’ long-short rebalancing portfolios have a -3.5% annual return... View Details

Keywords: Investment Funds; Financial Markets; Market Timing; Investment Return

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

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

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

April 2025
Article

The Disappearing Index Effect

By: Robin Greenwood and Marco Sammon

The abnormal return associated with a stock being added to the S&P 500 has fallen from an average of 7.4% in the 1990s to 0.3% over the past decade. This has occurred despite a significant increase in the share of stock market assets linked to the index. A similar... View Details

Keywords: Stocks; Investment Return; Value

Find at Harvard

2025
Working Paper

With a Little Help from My Family: Informal Startup Financing

By: Brian K. Baik, Johan Ludvig S. Karlsen and Katja Kisseleva

Using Norwegian administrative data, we identify family equity investments in startups and examine their effects on investor returns and firm behavior. Informal investors earn lower returns than external individuals, and the firms they back are less likely to secure... View Details

Keywords: Early Stage Finance; Informal Investment; Household Finance; Risk Taking; Entrepreneurial Finance; Entrepreneurship; Personal Finance; Family and Family Relationships; Business Startups; Investment; Norway

25 Mar 2025
Other Presentation

Louis E. Caldera on the Panama Canal and DEI Under Trump's Administration

By: Louis Caldera and June Carolyn Erlick

Louis E. Caldera, a Senior Lecturer at Harvard Business School, chaired the Panama Canal Commission the year the Canal was returned to Panama, 1999. He was also the first (and only) Latino to serve as Secretary of the Army. He talks on issues ranging from President... View Details

Keywords: Government Administration; History; National Security; Diversity; Panama; United States

March 2025 (Revised May 2025)
Case

Primetime Partners: Investing in Healthspan, Wealthspan, and Workspan

By: Rembrand Koning, Nicole Tempest Keller and Susan Wilner Golden

In the fall of 2024, Abby Miller Levy (HBS ’01), co-founder and managing partner of Primetime Partners, was preparing to raise a second fund. Founded in 2020 with veteran investor Alan Patricof, Primetime was a horizontal fund focused on early-stage companies serving... View Details

Keywords: Investment Funds; Age; Social Issues; Financing and Loans; Investment Return; Business Strategy; Financial Services Industry; United States

2025
Working Paper

Centralized Governance in Decentralized Organizations

By: Lin William Cong, Daniel Rabetti, Charles C.Y. Wang and Yu Yan

We systematically document governance centralization in decentralized autonomous organizations (DAOs) and study its drivers and economic implications. Using multiple data sources and granular on-chain transactional data, we compare our findings to those in corporate... View Details

Keywords: Blockchain; Governance; Voting; Organizations; Financial Services Industry

March 2025
Article

Boomerasking: Answering Your Own Questions

By: Alison Wood Brooks and Michael Yeomans

Humans spend much of their lives in conversation, where they tend to hold many simultaneous motives. We examine two fundamental desires: to be responsive to a partner and to disclose about oneself. We introduce one pervasive way people attempt to reconcile these... View Details

Keywords: Interpersonal Communication; Motivation and Incentives; Perception; Behavior

2025
Working Paper

Tax Planning, Illiquidity, and Credit Risks: Evidence from DeFi Lending

By: Lisa De Simone, Peiyi Jin and Daniel Rabetti

This study establishes a plausible causal link between tax-planning-induced illiquidity and credit risks in lending markets. Exploiting an exogenous tax shock imposed by the Internal Revenue Service (IRS) on cryptocurrency gains, along with millions of transactions in... View Details

Keywords: Cryptocurrency; Taxation; Financial Liquidity; Credit; Financing and Loans; Financial Markets

February 2025
Article

Variation in Batch Ordering of Imaging Tests in the Emergency Department and the Impact on Care Delivery

By: Jacob C. Jameson, Soroush Saghafian, Robert S. Huckman and Nicole Hodgson

Objectives: To examine heterogeneity in physician batch ordering practices and measure the impact of a physician's tendency to batch order imaging tests on patient outcomes and resource utilization.
Study Setting and Design: In this retrospective study, we used... View Details

Keywords: Health Care; Operations Management; Productivity; Health Care and Treatment; Operations; Outcome or Result; Resource Allocation; Health Industry; United States

Find at Harvard

10 Dec 2024
Interview

A New Model for Funding Healthcare Innovation

By: Regina E. Herzlinger and Duke Rohlen

Ajax Health founder Duke Rohlen (HBS MBA 2001) and HBS Professor Regina Herzlinger join host Brian Kenny to discuss the key success factors for both start-up and established medical technology firms. The case “Ajax Health: A New Model for Medical Technology Innovation”... View Details

Keywords: Entrepreneurship; Innovation and Invention; Business Model; Private Equity; Health Industry

December 2024 (Revised January 2025)
Case

Balancing Returns and Responsibilities at Raya Partners

By: Arthur Segel, Ephraim Mernick, Derek C. M. van Bever and Olivia Barba

Raya Partners, a private equity firm, faces a crucial decision regarding Asa Specialty Coatings Company (ASCC). The dilemma involves shifting ASCC's manufacturing operations to Mexico, a move that would boost profitability and reduce emissions but result in significant... View Details

Keywords: Factories, Labs, and Plants; Communication Strategy; Private Equity; Job Cuts and Outsourcing; Corporate Social Responsibility and Impact; Environmental Sustainability; Values and Beliefs; Financial Services Industry; Manufacturing Industry; Mexico; Vermont

December 2024 (Revised March 2025)
Case

Tata Power and India's Energy Transition

By: Vikram S. Gandhi, Radhika Kak and Kairavi Dey

Tata Power stood at the forefront of India’s energy transition. The firm had a long history deeply intertwined with the country's development. As Mumbai’s power needs increased, Tata Power built out thermal assets across North, West, and East India. While thermal power... View Details

Keywords: Renewable Energy; Energy Sources; Climate Change; Green Technology; Transition; Energy Generation; Resource Allocation; Energy Industry; Asia; India

2024
Working Paper

Climate Solutions, Transition Risk, and Stock Returns

By: Shirley Lu, Edward J. Riedl, Simon Xu and George Serafeim

Using large language models to measure firms' climate solution products and services, we find that high-climate solution firms exhibit lower stock returns and higher market valuation multiples. Their stock prices respond positively to events signaling increased demand... View Details

Keywords: Technology; Generative Ai; Large Language Models; Climate Finance; Climate Change; Innovation and Invention; Environmental Sustainability; AI and Machine Learning; Investment; Financial Markets

2024
Working Paper

Hidden Risk

By: Daniel Barth, Phillip Monin, Emil Siriwardane and Adi Sunderam

Since 2013, large U.S. hedge fund advisers have been required to report risk exposures in their regulatory filings. Using these data, we first establish that managers’ perceptions of risk contain useful information that is not embedded in fund returns. Investor flows... View Details

Keywords: Corporate Disclosure; Investment Funds; Risk and Uncertainty; Investment Return; Communication Strategy; Financial Services Industry

2024
Working Paper

Categorical Processing in a Complex World

By: Marco Sammon, Thomas Graeber and Christopher Roth

In real-world news environments, quantitative information is rarely presented in isolation; it is characterized through qualitative comparisons with various reference levels. Company earnings, for example, are commonly compared to analyst forecasts, previous earnings,... View Details

Keywords: Announcements; Cognition and Thinking; Communication Strategy

October 2024
Case

Estímulo: Blended Finance in Brazil

By: Vikram S. Gandhi, James Barnett, Maxim Pike Harrell and Marina Osborn

In December 2022, Estímulo—a Brazilian impact investment fund supporting small businesses—found itself at a crossroads. The fund was established in 2020 to provide emergency relief through accessible credit and financial education. When low default rates from borrowers... View Details

Keywords: Credit; Financial Management; Financing and Loans; Investment; Social Enterprise; Business Model; Financial Services Industry; Brazil; South America; Latin America

1
2
…
40
41
→