Publications

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22 Mar 2016
First Look

March 22, 2016

costless redistribution of arbitrarily determined unequal outcomes and prefer justifying tax progressivity based on benefit received rather than on diminishing marginal social welfare of income. These attitudes are shown to be linked to... View Details

Keywords: Sean Silverthorne

March 2025 (Revised April 2025)
Case

WallStreetBets: Democratizing Retail Investing

By: Joseph Pacelli and Alexis Lefort

In summer 2024, Jaime Rogozinski anticipated the launch of a day-trading eSports event, a vision he had nurtured for years. Rogozinski, the founder of the influential subreddit WallStreetBets (WSB), created the forum in 2012 as a space for retail traders to explore... View Details

Keywords: Investment; Emerging Markets; Market Participation; Financial Strategy; Lawsuits and Litigation; Social and Collaborative Networks; Financial Markets; Financial Services Industry; United States

March 2018
Case

Lufax: FinTech and the Transformation of Wealth Management in China

By: Christopher J. Malloy, Lauren H. Cohen and Anthony K. Woo

This case examines the rise and competitive positioning of Lufax, an online marketplace headquartered in Shanghai, China, and a pioneer in the origination and trading of financial assets. The company had grown at a remarkable rate, and was awarded “Trading Platform of... View Details

Keywords: Asset Management; Internet and the Web; Competitive Strategy; Situation or Environment; Product Positioning; Financial Services Industry; China

08 May 2025
HBS Seminar

Ramesh Johari, Stanford

January 2024 (Revised May 2024)
Case

PortageBay and ESG Analytics

By: Vikram S. Gandhi and Radhika Kak

In 2023, sustainable investors faced several challenges. The first was the lack of access to standardized and vetted environmental, social, and governance (ESG) data, and equally, the interpretation of this data into investment-useful insights. Reducing reliance on... View Details

Keywords: ESG Ratings; Investment Funds; Governance; Environmental Sustainability; Corporate Social Responsibility and Impact

16 Dec 2008
First Look

First Look: December 16, 2008

http://harvardbusinessonline.hbsp.harvard.edu/ b01/en/common/item_detail.jhtml?id=208083 Cyworld: Creating and Capturing Value in a Social Network Harvard Business School Case 509-012 May 2008, the new CEO of Cyworld, a View Details

Keywords: Sean Silverthorne

December 2008
Article

Style Investing and Institutional Investors

By: Kenneth A. Froot and Melvyn Teo

This paper explores institutional investors' trades in stocks grouped by style and the relationship of these trades with equity market returns. It aggregates transactions drawn from a large universe of approximately $6 trillion of institutional funds. To analyze style... View Details

Keywords: Forecasting and Prediction; Behavioral Finance; Stocks; Investment Return; Market Transactions; Performance Expectations; Personal Characteristics; Financial Services Industry

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27 Jul 2019
Op-Ed

Does Facebook's Business Model Threaten Our Elections?

unconcerned. Engagement on various applications on the Facebook platform is up. Users appear comfortable with the trade they make to give up privileged information in exchange for a range of convenient and... View Details

Keywords: by George Riedel

August 2009
Article

Rewriting History

By: Alexander Ljungqvist, Christopher J. Malloy and Felicia Marston

We document widespread ex post changes to the historical contents of the I/B/E/S analyst stock recommendations database. Across a sequence of seven downloads of the entire I/B/E/S recommendations database, obtained between 2000 and 2007, we find that between 6,594... View Details

Keywords: Competency and Skills; Stocks; Profit; Market Transactions; Reputation; Financial Services Industry

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2008
Working Paper

Rewriting History

By: Alexander Ljungqvist, Christopher J. Malloy and Felicia Marston

We document widespread ex post changes to the historical contents of the I/B/E/S analyst stock recommendations database. Across a sequence of seven downloads of the entire I/B/E/S recommendations database, obtained between 2000 and 2007, we find that between 6,594... View Details

Keywords: Competency and Skills; Stocks; Profit; Market Transactions; Reputation; Financial Services Industry

25 Jan 2016
Working Paper Summaries

Racial Discrimination in the Sharing Economy: Evidence from a Field Experiment

Keywords: by Benjamin G. Edelman, Michael Luca & Daniel Svirsky; Tourism; Travel; Technology

21 Feb 2013
HBS Seminar

Rodrigo Wagner, Tufts University

October 2018 (Revised August 2019)
Case

Everybody Knows: Russia and the Election

By: Rawi Abdelal, Rafael Di Tella and Galit Goldstein

Following a contentious presidential race, Donald Trump’s 2016 election destabilized America’s status quo. Academics, journalists, politicians and the public at large examined why Trump had won. Many Americans, inside and outside the government, asserted that a... View Details

Keywords: Strategic Industry; Strategic Alliances (Business); Business And Government; Business And Public Policy; Business And Society; Media Businesses; Media Content; Media Slant; Media Regulation; Internet Of Everything; Government Policy; Politics; Political Campaigns; Political Strategy; Political Turmoil; Government; Government Regulation; Security; International Business; International Relations; National Security; Political Elections; News; Media; Internet and the Web; Rights; Problems and Challenges; Globalization; Business and Community Relations; Business and Government Relations; Government Legislation; Risk and Uncertainty; Cognition and Thinking; Conflict and Resolution; Identity; Civil Society or Community; Culture; Public Opinion; Social Issues; War; Social Media; Public Administration Industry; United States; Russia

March 2016
Teaching Note

Advanced Leadership Pathways: Laurent Adamowicz and Bon'App

By: Rosabeth Moss Kanter, Tessa Natanay Hamilton and Ai-Ling Jamila Malone

After a successful career as Chairman and CEO of Paris-based luxury food company, Fauchon, Laurent Adamowicz sought to provide a solution to a large scale complex problem. Ultimately, Adamowicz created a mobile application to provide consumers with more accessible and... View Details

Keywords: Leadership; Change Management; Social Entrepreneurship; Nutrition; Business and Community Relations

November 2021 (Revised January 2024)
Case

The Global Great Depression, 1929-1939

By: Alberto Cavallo, Sophus A. Reinert and Federica Gabrieli

The Great Depression was, by far, the worst economic contraction of the twentieth century, and some of the most important ideas about both fiscal and monetary policy in the second half of the century were developed in response to it. The economic collapse, which... View Details

Keywords: Great Depression; Economic Conditions; Unemployment; Homelessness; Financial Crisis; History; Economy; Policy; Poverty; Social Issues; Economic Slowdown and Stagnation

October 2017
Supplement

Maggie Wilderotter: The Evolution of an Executive: Video Supplement

By: Boris Groysberg, Sarah L. Abbott and Robin Abrahams

In a career that spanned over 30 years, Maggie Wilderotter served as CEO of two publicly traded companies and served on 32 corporate and nine association and non-profit boards of directors. The case looks at the progression of Wilderotter’s career; the decisions she... View Details

Keywords: Leadership; Managing People; Networks; Strategy And Leadership; Personal Development and Career; Personal Characteristics; Leadership Style; Social and Collaborative Networks; Gender; Power and Influence; Telecommunications Industry; United States