Publications
Publications
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(1,369)
- Faculty Publications (364)
- 2023
- Working Paper
Do Active Funds Do Better in What They Trade?
By: Marco Sammon and John J. Shim
We develop two new, simple measures to quantify active fund decisions at the individual position level. The intuition is to separate passive rebalancing induced by flows and position changes from active rebalancing decisions. We find that additive active rebalancing --... View Details
- October 2023
- Case
Leading Transformation at IHCL
By: Krishna G. Palepu, V.G. Narayanan and Malini Sen
In November 2017, Puneet Chhatwal, took charge as MD and CEO of IHCL, popularly referred to as the Taj Hotels. Despite being India’s largest hospitality company by market capitalization and respected for its values and service, IHCL had made losses for the last seven... View Details
- August 2023
- Case
Constellation Pharmaceuticals: Corporate Development at a Novel Therapeutic Company
By: Satish Tadikonda and Brad Prosek
Constellation Pharmaceuticals was a company focused on epigenetic therapies for cancer patients. Despite a promising start and an early deal with a leading biopharma company, the company weathered twin setbacks in the end of a major research collaboration and the... View Details
- July 2023
- Article
Takahashi-Alexander Revisited: Modeling Private Equity Portfolio Outcomes Using Historical Simulations
By: Dawson Beutler, Alex Billias, Sam Holt, Josh Lerner and TzuHwan Seet
In 2001, Dean Takahashi and Seth Alexander of the Yale University Investments Office developed a deterministic model for estimating future cash flows and valuations for the Yale endowment’s private equity portfolio. Their model, which is simple and intuitive, is still... View Details
- June 2023 (Revised April 2025)
- Case
Optimalen Capital
A new client portfolio manager at a quantitative investment management firm must explain why her firm, Optimalen Capital, has rebalanced a client portfolio with a set of trades that seem unintuitive. In particular, Optimalen has added to its position of Walmart (ticker... View Details
- June 2023
- Case
Investing in the Climate Transition at Neuberger Berman
By: George Serafeim and Benjamin Maletta
By mid-2023, Neuberger Berman (NB), an active asset manager, had grown its assets under management to about half a trillion dollars and took pride in its client centricity and innovative spirit. Responding to client demand for investment products that integrated... View Details
Keywords: Carbon Emissions; Sustainability; Decarbonization; Performance; Risk Assessment; Opportunities; Environmental Sustainability; Carbon Footprint; Business Analysis; Investing; Regulation; Asset Management; Investment Strategy; Climate Change; Transition; Analysis; Product Positioning; Strategy; Investment Portfolio; Financial Services Industry; Energy Industry
- June 2023 (Revised January 2024)
- Case
Siemens AG: A Private Equity Approach within an Industrial Corporation?
By: David J. Collis and Haisley Wert
In July 2022, Horst Kayser, Chairman of Siemens AG Portfolio Companies (POC), was reflecting on the advice he could offer Roland Busch, Chief Executive Officer of the parent company Siemens AG, about whether and how to operate a private equity-like approach inside the... View Details
- April 2023
- Case
Drive Capital: A New Road for Venture
By: Paul A. Gompers and Alicia Dadlani
Founded by two former Sequoia Capital partners, Columbus-Ohio-based Drive Capital’s mission was to build a world-class venture capital firm in the middle of the U.S., an area historically overlooked by VCs. Drive faced early challenges of attracting investors, sourcing... View Details
- February 2023
- Article
Climate Solutions Investments
By: Alex Cheema-Fox, George Serafeim and Hui (Stacie) Wang
An increasing number of companies are providing products and services that help reduce carbon emissions in the economy. We develop a methodology to identify those companies and create a sample of publicly listed climate solutions companies allowing us to study their... View Details
- January 2023
- Case
Thomas Buberl: Refounding AXA
By: Hubert Joly, Mihir Desai and Amram Migdal
In 2022, AXA and its CEO Thomas Buberl faced new types of challenges, including systemic risks such as climate change, geopolitical instability, public health crises, and social tensions caused by economic risks. AXA was one of the world’s largest insurers. Since... View Details
Keywords: Change; Change Management; Transformation; Transition; Trends; Environmental Management; Climate Change; Ethics; Values and Beliefs; Finance; Insurance; Management; Management Succession; Risk Management; Organizations; Corporate Social Responsibility and Impact; Mission and Purpose; Organizational Change and Adaptation; Planning; Strategic Planning; Risk and Uncertainty; Society; Human Needs; Social Issues; Strategy; Adaptation; Business Strategy; Corporate Strategy; Insurance Industry; Europe; France; Paris
- December 2022 (Revised May 2023)
- Case
Iberdrola: Leading the Energy Revolution
By: Juan Alcácer and Emer Moloney
At the end of 2019, Ignacio Galán, the Chairman and CEO of the world's third largest utility, Iberdrola, reflected on his almost 20 years at the company. He managed a portfolio of three very different businesses, each with their own specific opportunities and... View Details
Keywords: Energy; Energy Generation; Energy Sources; Non-Renewable Energy; Renewable Energy; Engineering; Innovation and Management; Innovation Leadership; Innovation Strategy; Technological Innovation; Leadership; Growth and Development Strategy; Market Timing; Industry Growth; Mission and Purpose; Strategy; Energy Industry; Green Technology Industry; Utilities Industry; Transportation Industry; Auto Industry; Spain; United Kingdom; United States; Brazil; Mexico
- 2022
- Book
Private Equity
By: Paul A. Gompers and Steven N. Kaplan
This Advanced Introduction provides an illustrative guide to private equity, integrating insights from academic research with examples to derive practical recommendations. Paul Gompers and Steven Kaplan begin by reviewing the history of private equity then exploring... View Details
- November 2022
- Technical Note
National Security and Transnational Capitalism
By: Meg Rithmire
Though the relationship between national security and transnational commerce had long been interrogated and contested, the 2020s saw the escalation of concerns about insecurity and interdependence. These concerns manifested in a suite of institutional innovations and... View Details
- 2022
- Article
Climate Change Vulnerability and Currency Returns
By: Alex Cheema-Fox, George Serafeim and Hui (Stacie) Wang
Using measures of physical risk from climate change, we develop a methodology to allocate currency pairs according to a country’s vulnerability and construct portfolios with decreasing vulnerability to physical risk. We show that non-G10 currencies are more vulnerable... View Details
- 2022
- Working Paper
How Do Investors Value ESG?
By: Malcolm Baker, Mark Egan and Suproteem K. Sarkar
Environmental, social, and governance (ESG) objectives have risen to near the top of the agenda for corporate executives and boards, driven in large part by their perceptions of shareholder interest. We quantify the value that shareholders place on ESG using a revealed... View Details
- October 2022
- Case
Sustainable Finance at Itau BBA
By: George Serafeim, Maria Loumioti and Benjamin Maletta
As of August 2022, the Itau BBA had structured dozens of sustainability linked bonds, which made future interest payments a function of the borrower meeting a target for a sustainability metric, and had solidified its reputation as a pioneer of sustainable finance in... View Details
Keywords: Sustainable Finance; Corporate Social Responsibility; Environmental Sustainability; Growth Strategy; Debt Contracting; Performance Metrics; Risk Assessment; ESG (Environmental, Social, Governance) Performance; Financial Instruments; Risk Management; Debt Securities; Measurement and Metrics; Banking Industry; Pulp and Paper Industry; Latin America
- October 2022
- Case
Star Magnolia Capital: Becoming Experts at Finding Experts
By: Lauren Cohen, Hao Gao, River Ewing and Grace Headinger
Shinya Deguchi, Founder and Managing Partner of Star Magnolia Capital, a Shanghai-based multi-family office (MFO), considered how to convince a new prospective family that the MFO’s endowment model approach would best suit their needs. In recent decades, there has been... View Details
- September 2022 (Revised September 2024)
- Case
Esas Group: Investing Together, Staying Together
By: Christina R. Wing and Alpana Thapar
This case opens in June 2022, after Esas Group, one of Turkey’s largest family-owned investment firms, implements a series of changes to professionalize the business and help transition family members from operators to responsible investors. In December 2019, the Group... View Details
- August 2022 (Revised November 2024)
- Case
Boston Impact Initiative: Investing in Local Change
By: Emily R. McComb, Amy Klopfenstein and Mel Martin
In fall 2021, Aliana Piñeiro, impact director at Boston Impact Initiative (BII) discovered that an entrepreneur the organization was considering for an investment had failed to disclose pre-existing debt with another lender. Although the business scored highly on BII’s... View Details
Keywords: Entrepreneurship; Social Entrepreneurship; Finance; Investment; Investment Funds; Investment Portfolio; Relationships; Business and Community Relations; Society; Social Issues; Wealth and Poverty; Wealth; Poverty; Risk Management; Financial Services Industry; North and Central America; United States; Massachusetts; Boston
- 2024
- Working Paper
Private Equity Fund Valuation Management during Fundraising
By: Brian K. Baik
I investigate whether and how private equity fund managers (GPs) inflate their interim fund valuations (net asset values or NAVs) during fundraising periods. Specifically, I study the extent to which the GPs inflate NAVs by managing valuation assumptions (e.g.,... View Details