Publications

2023
Working Paper

Avoiding Idiosyncratic Volatility: Flow Sensitivity to Individual Stock Returns

By: Marco Di Maggio, Francesco Franzoni, Shimon Kogan and Ran Xing

Despite positive and significant earnings announcement premia, we find that institutional investors reduce their exposure to stocks before earnings announcements. A novel result on the sensitivity of flows to individual stock returns provides a potential explanation.... View Details

Keywords: New Trading; Mutual Funds; Fund Flows; Limits To Arbitrage; Financial Constraints; Earnings Announcements; Institutional Investing; Stocks

SSRN

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October 2019 (Revised December 2019)
Case

BC Partners: Acuris

By: Victoria Ivashina and Terrence Shu

This case follows Nikos Stathopoulos, Managing Partner of BC Partners, as he and his team evaluate the potential sale of one of BC Partners’ portfolio companies, Acuris. Acuris was a global financial intelligence, news, and data company that had been acquired by BC... View Details

Keywords: Fund Management; Fund Raising; Leveraged Buyout; Buyout; Portfolio Management; Operations Improvement; Exit; Exit Strategy; Valuation Ratios; Finance; Private Equity; Leveraged Buyouts; Operations; Performance Improvement; Acquisition; Valuation

January 2018 (Revised March 2019)
Teaching Note

Jumia Nigeria: from Retail to Marketplace (A) and (B)

By: Ramon Casadesus-Masanell and Karen Elterman

Founded in 2012, Jumia Nigeria, a startup effort by Germany-based Rocket Internet, aimed to become an African Amazon. The company entered the nascent market and immediately enjoyed an uptick in consumer spending fueled by the strength of Nigeria’s oil-based economy. By... View Details

Keywords: Retail; Marketplace; Inventory; Ecommerce; Funding; Business Ecosystems; Competition; Business Model; Globalization; Emerging Markets; Expansion; Logistics; E-commerce; Retail Industry; India; Nigeria; Africa

2023
Working Paper

ESG: From Process to Product

By: George Serafeim

ESG measurement, analysis, management, and communication is a process that the financial industry has turned into a product, resulting in many investment funds using the ESG label. This has caused confusion, generating demand for a framework that defines... View Details

Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; ESG Reporting; Investment Fund; Investment; Corporate Social Responsibility and Impact; Financial Services Industry

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Teaching Interest

Business Opportunties in Climate Adaptation

By: John D. Macomber

This is a Short Intensive Program or SIP at Harvard Business School. It’s an optional student offering prior to the formal start of the Spring semester the following week. SIPs tend to cover new material on current topics, to be less formal than the HBS Case Study... View Details

Keywords: Resilience; Climate Risk; Climate Impact; Fire Protection; Insurance Risk Exposure; Hedge Fund; Public Health; Public Health Measures; Climate Change; Adaptation; Infrastructure; Real Estate Industry; Transportation Industry; Insurance Industry; United States; Africa; Latin America

January 2014 (Revised January 2014)
Case

Showdown at Cracker Barrel

By: Suraj Srinivasan and Tim Gray

In the fall of 2011, activist investor, Sardar Biglari, has acquired nearly 10% ownership in the Cracker Barrel restaurant chain. He believes that the board and senior management have failed and the company has underperformed relative to its peers. When he is denied a... View Details

September 2012
Case

Castronics, LLC

By: Richard S. Ruback and Royce Yudkoff

Patrick Dickinson (HBS '09) and Michael Weiner (MIT's Sloan '07) acquired Castronics, a firm that specialized in threading pipe used in the oil and natural gas industry, at the end of 2009. The partners overcame significant hurdles during the first two years of... View Details

Keywords: Small Business; Search Funds; Corporate Finance; Entrepreneurship; Financial Management; Energy Industry; Western United States

2021
Working Paper

Nonbank Lending and Credit Cyclicality

By: Quirin Fleckenstein, Manasa Gopal, German Gutierrez and Sebastian Hillenbrand

We document three facts about nonbank lending in the syndicated loan market. First, nonbank lending is more than twice as cyclical as bank lending. Second, declines in nonbank lending explain most of the declines in syndicated lending during the Great Recession and... View Details

Keywords: Nonbank Lending; Credit Cycles; CLO; Mutual Funds; Leveraged Lending; COVID-19; Great Migration; Non-bank Financial Institutions; Financing and Loans; Business Cycles

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September 2014
Article

Accounting Standards and International Portfolio Holdings

By: Gwen Yu and Aida Sijamic Wahid

Do differences in countries' accounting standards affect global investment decisions? We explore this question by examining how accounting distance, the difference in the accounting standards used in the investor's and the investee's countries, affects the asset... View Details

Keywords: IFRS; Home Bias; Cross-cultural/cross-border; Information Asymmetry; Mutual Funds; International Relations

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October 2017 (Revised October 2022)
Case

Jumia Nigeria: from Retail to Marketplace (A)

By: Ramon Casadesus-Masanell and Namrata Arora

Founded in 2012, Jumia Nigeria, a startup effort by Germany-based Rocket Internet, aimed to become an African Amazon. The company entered the nascent market and immediately enjoyed an uptick in consumer spending fueled by the strength of Nigeria’s oil-based economy. By... View Details

Keywords: Retail; Marketplace; Inventory; Ecommerce; Funding; Business Ecosystem; Business Ecosystems; Competition; Business Model; Globalization; Emerging Markets; Expansion; Logistics; Competitive Strategy; E-commerce; Retail Industry; India; Nigeria; Africa

January 2016 (Revised April 2017)
Case

The Galaxy Dividend Income Growth Fund's Option Investment Strategies

By: W. Carl Kester

This case is designed to provide an elementary introduction to options and option pricing for beginning finance students. Analysis of the case requires students to compare the prices of put and call options with various exercise prices and maturity dates on two... View Details

Keywords: Options; Option Contract; Option Pricing; Derivatives; Mutual Funds; Call Options; Put Options; Stock Options; Risk and Uncertainty; Volatility; Financial Services Industry; United States

October 2017 (Revised September 2018)
Supplement

Jumia Nigeria: from Retail to Marketplace (B)

By: Ramon Casadesus-Masanell and Namrata Arora

This follow up case study explores the ramifications of Jumia's decision to move from a retail-led to a markplace business model for its e-commerce platform. The case visits the company's successes as well as its many failures when adopting this vendor-led strategy. ... View Details

Keywords: Retail; Marketplace; Inventory; Funding; Business Ecosystems; Business Ecosystem; Competition; Business Model; Globalization; Emerging Markets; Expansion; Logistics; Retail Industry; India; Nigeria; Africa

Article

Market Reactions to Sovereign Litigation

By: Faisal Z. Ahmed and Laura Alfaro

Recent rulings in the ongoing litigation over the pari passu clause in Argentinian sovereign debt instruments have generated considerable controversy. Some official-sector participants and academic articles have suggested that the rulings will disrupt or impede... View Details

Keywords: Sovereign Debt; Litigation; Vulture Funds; Argentina; Sovereign Finance; Lawsuits and Litigation; Markets; Argentina

June 2009 (Revised May 2010)
Case

BlackRock Money Market Management in September 2008 (A)

By: Kenneth A. Froot and David Lane

This case highlights the issues around money market mutual funds in the financial crisis of 2008. View Details

Keywords: BlackRock; Mutual Funds; Money Market; Investment Management; Bank Runs; 2008 Financial Crisis; Government Intervention In The Markets; GRG; Financial Management; Investment Funds; Crisis Management; Government and Politics; Financial Crisis; Financial Services Industry

June 2022
Case

PFA Pensions: The Climate Plus Product

By: Daniel Green, Victoria Ivashina and Alys Ferragamo

The case explores whether alternative investments play a unique role in achieving low carbon dioxide emissions at the portfolio level. This case is set in April of 2020 and follows Kasper Ahrndt Lorenzen, Chief Investment Officer, and Peter Tind Larsen, Head of... View Details

Keywords: Carbon Emissions; Carbon Footprint; Alternative Assets; Alternative Investment Vehicles; Pension Fund Investing; Private Equity; Renewable Energy; Investment Portfolio; Corporate Social Responsibility and Impact; Environmental Sustainability; Denmark

November 2011 (Revised December 2013)
Case

The Long and Short of Apollo Group and the University of Phoenix (A)

By: Luis M. Viceira, Joel Heilprin, Andrew S. Holmes and Damian M. Zajac

A hedge fund is deciding whether to liquidate its position in Apollo Group, a for-profit education firm, in light of significant political and macro-economic uncertainty facing the industry. As part of the investment analysis a complete discounted cash flow analysis... View Details

Keywords: Higher Education; Internet and the Web; Education Industry; Technology Industry

December 2012
Case

Trouble Brewing for Green Mountain Coffee Roasters

By: Suraj Srinivasan and Michael Norris

In October 2011, noted hedge fund manager David Einhorn of Greenlight Capital delivered a presentation at an investors' conference analyzing the business and accounting quality weaknesses of Green Mountain Coffee Roasters. Until then Green Mountain had exhibited rapid... View Details

16 Jan 2012
Research & Ideas

Private Meetings of Public Companies Thwart Disclosure Rules

anyone, it must make that information public to everyone. “Place yourself in the position of a hedge fund manager. Why would you spend all this energy seeking to meet with the... View Details

Keywords: by Carmen Nobel; Financial Services

December 2013 (Revised June 2014)
Case

Choosing a Charitable Giving Vehicle

By: Robert C. Pozen, Mayur Desai and Maura A. Graul

Elaine White is an accountant advising two couples, the Carsons and the Bradleys, regarding their charitable giving options and related tax strategies. The Carsons are an upper-middle class family with $295,000 in income, a moderate amount of deductions, and... View Details

Keywords: Charitable Giving; Tax Accounting; Tax Strategy; Public Charities; Foundations; Charity; Charitable Remainder Trusts; Charitable Lead Trusts; Donor-Advised Funds; Pooled Income Funds; Taxation; Philanthropy and Charitable Giving; United States