Impact - Publications - Faculty & Research

Second Quarter 2008
Article

How Does Investor Sentiment Affect the Cross-Section of Returns

By: Malcolm Baker, Johnathan Wang and Jeffrey Wurgler

Broad waves of investor sentiment should have larger impacts on securities that are more difficult to value and to arbitrage. Consistent with this intuition, we find that when an index of investor sentiment takes low values, small, young, high volatility,... View Details

Keywords: Volatility; Behavioral Finance; Stocks; Investment; Investment Return; Attitudes

Citation

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09 Sep 2014
News

If Your Kids Get Free Health Care, You’re More Likely to Start a Company

02 Aug 2022
News

Is Dynamic Ticket Pricing Preventing You from Seeing Your Favorite Artist? You’re Not Alone

01 Sep 2017
News

States Focus On Middle-Skills Jobs Gap

Program

Disruptive Innovation

Apply theories of causality to understand why things happen the way they do Accurately predict the impact of strategic actions Better articulate your strategic questions and goals Assess the risks and opportunities presented by actions... View Details

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Apply to PRIMO - Doctoral

not be negatively impacted if choosing not to answer one or any of these questions. Top applicants will interview with program staff. The first round of interviews will be an opportunity for applicants to learn more about specific... View Details

17 Aug 2023
Research & Ideas

‘Not a Bunch of Weirdos’: Why Mainstream Investors Buy Crypto

$45,000 or less accounted for another 20 percent of the transactions. This shows, Di Maggio says, that the crypto market consists of “average US investors that are using crypto as an alternative asset class in their portfolio.” Impact of... View Details

Keywords: by Ben Rand

January 2003 (Revised May 2003)
Case

Heineken NV: Workplace HIV/AIDS Programs in Africa (B)

Second in a three-part series that explores the multifaceted organizational and strategic choices that companies now face as a result of the global AIDS epidemic. Heineken is considering becoming one of the first companies to offer AIDS drugs (antiretroviral therapy)... View Details

Keywords: Health Disorders; Corporate Social Responsibility and Impact; Employees; Food and Beverage Industry; Africa

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Podcast - Business & Environment

the need to align impact with profitability. Using AI to Optimize Energy Demand 20 NOV 2024 | Climate Rising In this episode, host Mike Toffel speaks with Pasi Miettinen, CEO of Sagewell, a company that uses AI to help utilities and their... View Details

2023
Working Paper

Deep Responsibility and Irresponsibility in the Beauty Industry

By: Geoffrey Jones

This working paper employs the concept of deep responsibility to assess the social responsibility of the beauty industry over time. It shows that many of today’s problems with the industry have deep historical roots. Products have carried too many health hazards.... View Details

Keywords: Corporate Social Responsibility and Impact; Corporate Accountability; Ethics; Beauty and Cosmetics Industry

Citation

SSRN

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18 Feb 2025
HBS Seminar

Andrey Simonov, Columbia University

15 Mar 2021
Blog Post

Be Unapologetically Yourself: Interview with Singer-Songwriter and Banking Strategist Andrea Mendoza

In March 2020, Andrea Mendoza (MBA 2016) hopped on a plane to Peru to visit family. Days later, the world collectively hit pause to grapple with the impacts of COVID-19 turning that short trip into an eight month stay. While in Peru,... View Details

26 Apr 2023
In Practice

Is AI Coming for Your Job?

The launch of ChatGPT seems to have reignited doomsday fears about artificial intelligence (AI) replacing workers en masse. Are these fears prescient or overblown? A recent survey shows 62 percent of Americans think AI will majorly impact... View Details

Keywords: by Kristen Senz; Technology

March 2021 (Revised June 2022)
Case

Bill Wilson: Changing the World

By: Robert Simons and Max Saffer

This case describes the life choices of Bill Wilson, the founder of Alcoholics Anonymous. A young man with tremendous potential, Wilson hit rock bottom as a drunk. An epiphany, coupled with his personal drive, led him to build a worldwide organization that has helped... View Details

Keywords: Leadership Development; Nonprofit Organizations; Mission and Purpose; Values and Beliefs; Personal Characteristics; Leadership Style; Work-Life Balance; Personal Development and Career

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