Stock Market Participation - Publications - Faculty & Research - Harvard Business School

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02 Jun 2003
Research & Ideas

Why Have Marketers Ignored America’s Man-of-Action Hero?

breadwinner and the rebel. Breadwinners are men who play by the rules of the institutions that they participate in, work hard to achieve, and eventually become respected authoritative figures—pillars of their communities. Colin Powell is... View Details

Keywords: by Manda Salls

Editorial

How Index Funds Can Be a Positive Force for Change

By: George Serafeim

Keywords: Indexing; Stock Market; Engagement; Activism; Sustainability; Collaboration; Tragedy Of The Commons

Article

Market Reaction to and Valuation of IFRS Reconciliation Adjustments: First Evidence from the UK

By: Joanne Horton and George Serafeim

We investigate the market reaction to, and the value-relevance of, information contained in the mandatory transitional documents required by International Financial Reporting Standards (IFRS) 1 (2005). We find significant negative abnormal returns for firms reporting... View Details

Keywords: Valuation; Markets; Information; International Finance; Earnings Management; Stock Shares; Taxation; Goodwill Accounting; Price; Financial Reporting; Standards; Corporate Disclosure; United Kingdom

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March 2018 (Revised May 2018)
Supplement

Celgene (B)

By: Malcolm Baker and Emily McComb

Supplements the (A) case. View Details

Keywords: Life Sciences; Biotechnology; Public Market Investing; Celgene; Revlimid; Hedge Fund; Growth Stocks; Valuation; Investment; Decision Choices and Conditions; Analysis; Biotechnology Industry

2016
Working Paper

The Impact of Patent Wars on Firm Strategy: Evidence from the Global Smartphone Market

Strategy scholars have documented in various empirical settings that firms seek and leverage stronger institutions to mitigate hazards and gain competitive advantage. In this paper, we argue that such “institution-seeking” behavior may not be confined to the pursuit of... View Details

Keywords: Patent Wars; Patent Litigation; Intellectual Property (IP) Enforcement; Institutions; Smartphone; Patent Thicket; Digital Platforms; Patents; Lawsuits and Litigation; Globalized Markets and Industries; Business Strategy; Telecommunications Industry

06 Dec 2010
Sharpening Your Skills

Sharpening Your Skills: Doing Business in Emerging Markets

emerging economies? What are the best ways to leverage local resources? How Do I Identify Opportunities In Emerging Markets? Strategy and Execution for Emerging Markets How can multinationals, entrepreneurs, and investors identify and... View Details

March 2018 (Revised May 2018)
Case

Celgene

By: Malcolm Baker and Emily McComb

In February 2011, Adam Koppel, a managing director at Brookside Capital, the public equity arm of Bain Capital, must decide whether to increase or exit the firm’s position in Celgene Corporation. News has emerged that raises potential safety concerns associated with... View Details

Keywords: Life Sciences; Biotechnology; Public Market Investing; Celgene; Revlimid; Hedge Fund; Growth Stocks; Valuation; Investment; Decision Choices and Conditions; Analysis; Biotechnology Industry

November 2014
Article

The Impact of Corporate Sustainability on Organizational Processes and Performance

By: Robert G. Eccles, Ioannis Ioannou and George Serafeim

We investigate the effect of corporate sustainability on organizational processes and performance. Using a matched sample of 180 U.S. companies, we find that corporations that voluntarily adopted sustainability policies by 1993—termed as High Sustainability... View Details

Keywords: Sustainability; Sustainability Management; Sustainability Research; Sustainability Reporting; Sustainability Targets; Corporate Social Responsibility; Corporate Accountability; Reporting; Corporate Governance; Investor Clientele; Investor Communication; Stock Market; Corporate Social Responsibility and Impact; Environmental Sustainability; Performance; United States

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May–June 2020
Article

Interfirm Ties Between Ventures and Limited Partners of Venture Capital Funds: Performance Effects in Financial Markets

By: Umit Ozmel, M. Deniz Yavuz, Timothy E. Trombley and Ranjay Gulati

We argue that strong indirect ties are conducive to the transfer of private information, which provides an advantage in identifying profitable investment opportunities. In our context, a strong indirect tie is generated between an investor and a focal firm if the... View Details

Keywords: Interfirm Ties; Social Networks; Venture Capital; Entrepreneurship; Performance

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summer 1995
Article

Hedging Portfolios with Real Assets

By: K. A. Froot

Keywords: Institutional Investing; Market Efficiency; Behavioral Finance; Equities; Stock Market; Indexing; Hedging; Asset Allocation; Commodities; Commodity Investing; Real Estate; Financial Markets; Asset Pricing

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2003
Book

The Slow Pace of Fast Change: Bringing Innovations to Market in a Connected World

By: Bhaskar Chakravorti

Innovation's encounter with the market results in a game of both high risk and high stakes. Often its outcome defies common sense: Superior new products flop, unlikely ideas become runaway hits, and—despite rapid technological advances and intense... View Details

Keywords: Game Theory; Network Effects; Innovation and Invention; Product Marketing; Economics

2024
Working Paper

What Drives Variation in Investor Portfolios? Estimating the Roles of Beliefs and Risk Preferences

By: Mark Egan, Alexander MacKay and Hanbin Yang

We present an empirical model of portfolio choice that allows for the nonparametric estimation of investors' (subjective) expectations and risk preferences. Utilizing a comprehensive dataset of 401(k) plans from 2009 through 2019, we explore heterogeneity in asset... View Details

Keywords: Stock Market Expectations; Demand Estimation; Retirement Planning; Defined Contribution Retirement Plan; 401 (K); Finance; Investment Portfolio; Investment; Retirement; Behavioral Finance; Financial Services Industry; United States

2007
Other Unpublished Work

Effects of Inventory on Demand for Rentals in the Home Video Market

By: Ioannis Ioannou, Julie Mortimer and Richard Mortimer

Retailer inventory decisions can greatly influence observed demand for a product by affecting, among other things, product availability (stock-outs) and product visibility in the store. These inventory decisions are affected by numerous factors including vertical... View Details

Keywords: Decisions; Demand and Consumers; Supply Chain Management; Competition; Contracts; Entertainment and Recreation Industry; United States

November–December 2023
Article

Look the Part? The Role of Profile Pictures in Online Labor Markets

By: Isamar Troncoso and Lan Luo

Profile pictures are a key component of many freelancing platforms, a design choice that can impact hiring and matching outcomes. In this paper, we examine how appearance-based perceptions of a freelancer’s fit for the job (i.e., whether a freelancer "looks the part"... View Details

Keywords: Freelancers; Gig Workers; Demographics; Prejudice and Bias; Selection and Staffing; Jobs and Positions; Analytics and Data Science

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June 2001
Supplement

Privatization of Anatolia National Telekom, The: Note on Valuation of Privatizing Enterprises in Emerging Markets

Anatolia National Telekom is a multiparty negotiation simulation patterned after the Turkish government's aborted attempt to privatize its state-owned telecommunications monopoly, Turk Telekom, in late 1997. Provides participants with an opportunity to identify and... View Details

Keywords: Negotiation; Privatization; Emerging Markets; State Ownership; Telecommunications Industry; Turkey

September 2012 (Revised November 2012)
Case

Integrated Reporting in South Africa

This case presents a 20-year history of the evolution of corporate governance and corporate reporting in South Africa starting in 1992 with a focus on the three King codes of corporate governance (King I in 1994, King II in 2000, and King III in 2009). From a reporting... View Details

Keywords: Integrated Reporting; Sustainability Reporting; Stock Exchanges; South Africa; Corporate Reporting; Regulation; Nonfinancial Performance; History; Corporate Disclosure; Markets; Integrated Corporate Reporting; Performance; Corporate Governance; South Africa

20 Jul 2009
Research & Ideas

Markets or Communities? The Best Ways to Manage Outside Innovation

after identifying a structural weakness. “Apple has shown the way in how to build a market of external innovators.” According to Harvard Business School professor Karim R. Lakhani, Boeing's approach is an excellent example of how not to... View Details

Keywords: by Sean Silverthorne; Technology

November 2021 (Revised December 2022)
Case

Farfetch: Digital Transformation for Luxury Brands

By: Sunil Gupta, Jill Avery, Elena Corsi and Federica Gabrieli

Farfetch, a global luxury technology platform and digital marketplace had been surfing the wave of digital transformation in the luxury fashion industry since 2008. While the company’s stock price and market valuation had fluctuated since its IPO in 2018, it had... View Details

2020
Working Paper

Paying It Backward and Forward: Expanding Access to Convalescent Plasma Therapy Through Market Design

By: Scott Duke Kominers, Parag A. Pathak, Tayfun Sönmez and M. Utku Ünver

COVID-19 convalescent plasma (CCP) therapy is currently a leading treatment for COVID-19. At present, there is a shortage of CCP relative to demand. We develop and analyze a model of centralized CCP allocation that incorporates both donation and distribution. In order... View Details

Keywords: COVID-19; Convalescent Plasma; Vouchers; Health Pandemics; Health Care and Treatment; Resource Allocation; Market Design

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

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