Publications

June 7, 1990
Article

New Trading Practices and the Short-run Predictability of the S&P 500

By: André Perold, Kenneth A. Froot and James F. Gammill Jr.

Keywords: Institutional Investing; Market Efficiency; Equities; Stock Market; Indexing; Asset Pricing; Financial Markets; Investment; Behavioral Finance

August 2019
Case

The United States and Russia: Gas Rivals in Europe?

By: Rawi Abdelal, Galit Goldstein and Paul Apostolicas

Though the shale revolution transformed the U.S. into the largest producer of petroleum products, it was unclear how much success American exporters would find selling liquefied natural gas on the European energy market. Gazprom, the state-controlled Russian energy... View Details

June 2012
Case

Innovating at AT&T: Partnering to Lead the Broadband Revolution

By: Lynda M. Applegate, Phillip Andrews and Kerry Herman

In 2010, the U.S. retail market value for next-generation non-handset wirelessly-enabled devices was just over $1 billion. By 2011 it had grown 1,141% to $13.2 billion and was forecast to reach $24.7 billion in 2015. At the same time, user demand for data was surging... View Details

Keywords: Innovation ＆ Entrepreneurship; Team Leadership; Emerging Technologies; Business Models; Business To Business; Corporate Vision; Growth Strategy; Corporate Culture; Innovation and Invention; Corporate Entrepreneurship; Partners and Partnerships; Leadership; Mobile and Wireless Technology; Growth and Development Strategy; Globalized Firms and Management; Business Model; Technology Industry; United States

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

Keywords: Monopsony; Market Power; Productivity; Private Equity; Employment; Wages; Employees

January 2019
Article

Bubbles for Fama

By: Robin Greenwood, Andrei Shleifer and Yang You

We evaluate Eugene Fama's claim that stock prices do not exhibit price bubbles. Based on U.S. industry returns 1926–2014 and international sector returns 1985–2014, we present four findings: (1) Fama is correct in that a sharp price increase of an industry portfolio... View Details

Keywords: Bubble; Market Efficiency; Predictability; Price Bubble; Stocks; Price; Forecasting and Prediction

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November 2010 (Revised May 2012)
Case

Innovating into Active ETFs: Factor Funds Capital Management LLC

By: Kenneth A. Froot, Lauren Cohen and Scott Waggoner

Kishore Karunakaran, President and COO of FFCM, faces a variety of challenges in launching an innovative investment management business in the rapidly evolving ETF space. View Details

Keywords: Investment Management; Institutional Investments; Entrepreneurial Finance; Financial Management; Innovation Strategy; Corporate Entrepreneurship; Capital Markets; Investment Funds; Financial Strategy; Management Teams; Financial Services Industry; Boston

October 2022
Case

Volt Lines: Leading a B2B Service Provider through a Crisis (A)

By: Navid Mojir and Gamze Yucaoglu

Volt Lines was a next-generation transportation service in Istanbul, Turkey. The company was trying to disrupt the traditional corporate transportation market by developing software that allowed it to offer subscription-based transportation. Under the subscription... View Details

Keywords: Business To Business Marketing; B2B Marketing; B2B Pricing; Subscription Model; Crisis Marketing; Startup; Service Management; Information Technology; Transportation; COVID-19 Pandemic; Disruptive Innovation; Digital Platforms; Business Model; Price; Crisis Management; Opportunities; Transportation Industry; Technology Industry; Turkey

October 2015 (Revised November 2024)
Case

A Challenger's Strategy: Pinar Abay at ING Bank Turkey

By: Paul Healy, Gautam Mukunda and Esel Çekin

In 2013, Pinar Abay was appointed as the CEO of ING Bank Turkey. At 34, she was the youngest bank CEO in Turkey's history. Her appointment raised eyebrows because of her youth and because her career at McKinsey had given her no day-to-day bank management experience.... View Details

November 2013
Teaching Note

Porto Adriatico

By: Arthur I Segel

Teaching Note to the Porto Adriatico Case, HBS No. 213-024 View Details

Keywords: Real Estate; Developing Markets; Emerging Markets; Finance; Real Estate Industry

September 10, 2022
Article

NFT Sales: Clearing the Market, Avoiding Gas Wars

By: Scott Duke Kominers and Tim Roughgarden

Instead of letting the market decide the price for their primary sale offerings, many NFT projects choose to initially sell their NFTs at prices below the market-clearing level. But what happens when market designers trade off efficiency for equity; or when demand far... View Details

Keywords: Blockchain; Crypto Economy; Cryptocurrency; NFTs; Auctions; Market Design; Price

March 2015 (Revised September 2016)
Case

Terrapin Laboratory

By: Richard G. Hamermesh and Joseph B. Fuller

Describes the formation and rapid growth of a drug testing company. The company needs to decide whether to enter the painkiller testing market, in addition to growing its drug treatment center business. The associated teaching materials provide students the opportunity... View Details

Keywords: Business Growth; Entrepreneurial Management; Entrepreneurship; Growth Strategy; Market Entry; Venture Capital; Growth Management; Expansion; Financing and Loans; Health Care and Treatment; Health Testing and Trials; Business Startups; Pharmaceutical Industry; Health Industry

October 2021
Article

Fintech Borrowers: Lax Screening or Cream-Skimming?

By: Marco Di Maggio and Vincent Yao

Personal credit is the fastest-growing segment of the consumer credit market, mainly driven by fintech lenders' staggering expansion. We study this market using a unique individual-level data, which covers most of the top fintech and traditional lenders, and provides... View Details

Keywords: Fintech; Lending; Consumer Finance; Credit History; Self-control; Present Bias; Financing and Loans; Personal Finance; Credit; Behavior

March 2012 (Revised October 2012)
Case

Gary Hirshberg and Stonyfield Farm

By: Nancy F. Koehn, Nora N. Khan and Elizabeth W. Legris

Gary Hirshberg and Stonyfield Farm is the story of one entrepreneur's vision and journey to create a market-leading, environmentally responsible business founded on the principles of product quality, organizational alignment, and sustainability. A former environmental... View Details

Keywords: Entrepreneurs; Values; Development Stage Enterprises; Innovation; Management By Objective; Experimentation; Emerging Technologies; Mission and Purpose; Management Style; Values and Beliefs; Social Issues; Organizational Culture; Environmental Sustainability; Business Growth and Maturation; Entrepreneurship; Business Startups; Innovation and Invention; Food and Beverage Industry; New Hampshire

November 2019 (Revised February 2020)
Case

Constellation Brands' Investment in Canopy Growth: Aiming High

By: Stuart C. Gilson and Sarah L. Abbott

In 2017, Constellation Brands, the U.S.-based beverage company, acquired a 9.9% equity interest in the Canadian marijuana company, Canopy Growth. In 2018, Constellation announced a subsequent investment in Canopy—taking its ownership interest to 37%. However, Canopy’s... View Details

Keywords: Equity Investment; Marijuana; Growth Investing; New Market Development; Beverage Industry; Equity; Investment; Strategy; Consulting Industry; Food and Beverage Industry; Canada; United States

June 2021
Case

The Canada Pension Plan Investment Board (CPP Investments): April 2021

By: Josh Lerner, Reza Satchu and Alys Ferragamo

The Canada Pension Plan Investment Board (CPPIB) is one of the largest pools of investment capital in the world and follows a rigorous “Total Portfolio Framework” in its approach to investment management. In April of 2021, John Graham was just two months into his role... View Details

Keywords: Pension Funds; Investment Strategy; Capital Markets; Financial Strategy; Investment; Asset Management; Financial Institutions; Private Equity; Growth and Development Strategy; Investment Portfolio; Assets; Financial Markets; Financial Services Industry; Canada

2020
Working Paper

Best Ideas

By: Miguel Antón, Randolph B. Cohen and Christopher Polk

We ﬁnd that the stocks in which active mutual fund or hedge fund managers display the most conviction towards ex-ante, their “Best ideas,” outperform the market, as well as the other stocks in those managers’ portfolios, by approximately 2.8 to 4.5 percent per year,... View Details

Keywords: Mutual Funds; Managerial Skill; Market Efficiency; Investment Funds; Management; Investment Portfolio; Decision Making

June 2021
Article

Symmetric Ignorance: The Cost of Anonymous Lemons

By: Amar Bhidé

Rules that restrict information required in negotiated private transactions have spurred a vast increase in the scope of anonymous financial markets, particularly in the United States. The subtle costs of the information‐restricting rules raise questions about the... View Details

Keywords: Information Asymmetry; Liquidity; Regulation; Securities Markets; Securitization; Information; Financial Liquidity; Financial Markets; Governing Rules, Regulations, and Reforms

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August 1999
Article

How Are Stock Prices Affected by the Location of Trade?

By: K. A. Froot and E. Dabora

Keywords: Asset Pricing; Market Segmentation; International Markets; Law Of One Price; Behavioral Finance

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March 1996 (Revised April 2006)
Case

Global Equity Markets: The Case of Royal Dutch and Shell

By: Kenneth A. Froot and Andre F. Perold

Royal Dutch and Shell common stocks are securities with linked cash flow, so that the ratio of their stock prices should be fixed. In fact, the ratio is highly variable, moving with the markets where the securities are intensively traded. Royal Dutch trades more... View Details

Keywords: International Equity Markets; International Cost Of Capital; Cross-border Valuation; International Finance; Equity; Cost of Capital; Valuation; Cash Flow