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(696)
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Show Results For
- All HBS Web
(696)
- News (110)
- Research (512)
- Multimedia (2)
- Faculty Publications (289)
- October 2008
- Article
The Small World of Investing: Board Connections and Mutual Fund Returns
By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy
This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details
Keywords: Financial Markets; Information Management; Social and Collaborative Networks; Announcements; Investment Portfolio; Investment Return; Investment Funds; Asset Pricing; Governing and Advisory Boards
Cohen, Lauren, Andrea Frazzini, and Christopher J. Malloy. "The Small World of Investing: Board Connections and Mutual Fund Returns." Journal of Political Economy 116, no. 5 (October 2008): 951–979. (Winner of the Barclays Global Investors Award, Best Paper in Asset Pricing, European Finance Association 2007.)
- 2014
- Working Paper
College Admissions as Non-Price Competition: The Case of South Korea
By: Christopher Avery, Alvin E. Roth and Soohyung Lee
This paper examines non-price competition among colleges to attract highly qualified students, exploiting the South Korean setting where the national government sets rules governing applications. We identify some basic facts about the behavior of colleges before and... View Details
Keywords: Competition; Higher Education; Policy; Government and Politics; Education Industry; South Korea
Avery, Christopher, Alvin E. Roth, and Soohyung Lee. "College Admissions as Non-Price Competition: The Case of South Korea." NBER Working Paper Series, No. 20774, December 2014.
- 2015
- Working Paper
Online Word of Mouth and Product Review Disagreement
By: Frank Nagle and Christoph Riedl
Studies of online word of mouth have frequently posited―but never systematically conceptualized and explored―that the level of disagreement between existing product reviews can impact the volume and the valence of future reviews. In this study we develop a theoretical... View Details
Keywords: Online Word Of Mouth; Online Communities; Viral Marketing; Online Product Reviews; Quality; Internet and the Web; Consumer Behavior; Marketing Reference Programs; Social and Collaborative Networks; Digital Marketing; Analytics and Data Science
Nagle, Frank, and Christoph Riedl. "Online Word of Mouth and Product Review Disagreement." Harvard Business School Working Paper, No. 13-091, May 2013. (Revised May 2015, selected for AOM Best Paper Proceedings.)
- 16 Apr 2013
- First Look
First Look: April 16
profitable investment decisions. During the last ten years, Wall Street research has been battered by a series of shocks. As concerns over conflicts of interest mounted, the integrity of research output was questioned, leading to... View Details
Keywords: Sean Silverthorne
- Forthcoming
- Article
The Rise of Remote Work: Evidence on Productivity and Preferences from Firm and Worker Surveys
By: Alexander Bartik, Zoë Cullen, Edward L. Glaeser, Michael Luca and Christopher Stanton
Drawing on surveys of small business owners and employees, we present three main findings about the evolution of remote work after the onset of COVID-19. First, uptake of remote work was abrupt and widespread in jobs suitable for telework according to the task-based... View Details
Bartik, Alexander, Zoë Cullen, Edward L. Glaeser, Michael Luca, and Christopher Stanton. "The Rise of Remote Work: Evidence on Productivity and Preferences from Firm and Worker Surveys." Journal of Economics & Management Strategy (forthcoming). (Pre-published online October 24, 2024.)
- March 2022
- Article
Assessing the Impact of the COVID-19 Pandemic on Clinician Ambulatory Electronic Health Record Use
By: A Jay Holmgren, Lance Downing, Mitchell Tang, Christopher Sharp, Christopher Longhurst and Robert S. Huckman
Objective: The COVID-19 pandemic changed clinician electronic health record (EHR) work in a multitude of ways. To evaluate how, we measure ambulatory clinician EHR use in the United States throughout the COVID-19 pandemic.
Materials and Methods: We use EHR... View Details
Materials and Methods: We use EHR... View Details
Keywords: Health Care; Electronic Health Records; Productivity; COVID-19 Pandemic; Health Care and Treatment; Health Pandemics; Information Technology; Performance Productivity; United States
Holmgren, A Jay, Lance Downing, Mitchell Tang, Christopher Sharp, Christopher Longhurst, and Robert S. Huckman. "Assessing the Impact of the COVID-19 Pandemic on Clinician Ambulatory Electronic Health Record Use." Journal of the American Medical Informatics Association 29, no. 3 (March 2022): 453–460.
- 01 Mar 2006
- News
Faculty Research Online
supports, such as housing assistance, disease research, and the arts, according to new research by Assistant Professor Christopher Marquis and his coauthors. Making Credibility... View Details
- March 2004 (Revised November 2012)
- Teaching Note
P&G Japan: The SK-II Globalization Project (TN)
Traces changes in P&G's international strategy and structure, culminating in Organization 2005, a reorganization that places strategic emphasis on product innovation rather than geographic expansion and shifts power from local subsidiary to global business management.... View Details
- April 2021 (Revised January 2022)
- Supplement
SA Taxi: A Vehicle for Empowerment? (B)
By: Nien-he Hsieh, Dilyana Karadzhova Botha and F. Christopher Eaglin
SA Taxi was a vertically integrated business that operated in South Africa’s distinctive taxi industry. Despite being plagued by violence, informal structures, unsafe road practices and lack of government support, the taxi industry had grown to become South Africa’s... View Details
Keywords: Corporate Accountability; Ownership; Ownership Stake; Business and Stakeholder Relations; Equality and Inequality; Race; Situation or Environment; Transportation Industry; South Africa; Africa
Hsieh, Nien-he, Dilyana Karadzhova Botha, and F. Christopher Eaglin. "SA Taxi: A Vehicle for Empowerment? (B)." Harvard Business School Supplement 321-141, April 2021. (Revised January 2022.)
- Article
The Pressure of the Past: Network Imprinting in Intercorporate Communities
By: Christopher Marquis
Marquis, Christopher. "The Pressure of the Past: Network Imprinting in Intercorporate Communities." Administrative Science Quarterly 48, no. 4 (December 2003): 655–689. (
Winner of James D. Thompson Award For an outstanding graduate student paper on organizations, occupations, and work presented by American Sociological Association
.)- 07 Sep 2011
- First Look
First Look: Sept. 7
and one convertible note. The issuers are Microsoft, Coca Cola Enterprises, Norfolk Southern, IBM, Ford Motor, and Cephalon. Purchase this case:http://cb.hbsp.harvard.edu/cb/product/211063-PDF-ENG Global Business School Network View Details
Keywords: Sean Silverthorne
- 16 May 2017
- First Look
First Look at New Ideas and Research, May 16
mathematics. Yet they often struggle to fit the profiles sought by employers. A growing number of companies, including SAP, Hewlett Packard Enterprise, and Microsoft, have reformed their HR processes in order to access neurodiverse... View Details
Keywords: Re: Multiple Faculty
- 05 Dec 2017
- First Look
First Look at New Research and Ideas, December 5, 2017
definition that extends the concept beyond the traditional binary retain/not retain view of retention. We discuss a variety of metrics to measure and monitor retention. We present an integrated framework for managing retention that leverages emerging opportunities... View Details
Keywords: Sean Silverthorne
- 30 Jun 2009
- First Look
First Look: June 30
theorists differ as to whether exploitation undermines or enhances exploration. The debate reflects a gap—the missing theoretical mechanism by which organizations break free of old routines and discover new ones. We propose that the... View Details
Keywords: Martha Lagace
- 25 Sep 2012
- First Look
First Look: September 25
of tomorrow's innovative new products, arguing that companies must reinvest in new product and process development in the U.S. industrial sector. Only by reviving this "industrial commons" can the world's largest economy build... View Details
Keywords: Sean Silverthorne
- Article
Use of Crowd Innovation to Develop an Artificial Intelligence-Based Solution for Radiation Therapy Targeting
By: Raymond H. Mak, Michael G. Endres, Jin Hyun Paik, Rinat A. Sergeev, Hugo Aerts, Christopher L. Williams, Karim R. Lakhani and Eva C. Guinan
Importance: Radiation therapy (RT) is a critical cancer treatment, but the existing radiation oncologist work force does not meet growing global demand. One key physician task in RT planning involves tumor segmentation for targeting, which requires substantial... View Details
Keywords: Crowdsourcing; AI Algorithms; Health Care and Treatment; Collaborative Innovation and Invention; AI and Machine Learning
Mak, Raymond H., Michael G. Endres, Jin Hyun Paik, Rinat A. Sergeev, Hugo Aerts, Christopher L. Williams, Karim R. Lakhani, and Eva C. Guinan. "Use of Crowd Innovation to Develop an Artificial Intelligence-Based Solution for Radiation Therapy Targeting." JAMA Oncology 5, no. 5 (May 2019): 654–661.
- 17 Apr 2012
- First Look
First Look: April 17
Participants assigned to recall a purchase made for someone else reported feeling significantly happier immediately after this recollection; most importantly, the happier participants felt, the more likely they were to choose to spend a windfall on someone else in the... View Details
Keywords: Carmen Nobel
- 18 Dec 2012
- First Look
First Look: December 18
puts the increasingly complex job of Chief Executive in a very real context. It serves as a practical guide by allowing you to walk alongside Jim as he takes on his new role and all its attendant challenges. Jim's story-developed in... View Details
Keywords: Carmen Nobel
- August 2017 (Revised November 2021)
- Case
Ryan Greene at Rainier Wearables
By: Shikhar Ghosh, Thomas R. Eisenmann and Christopher Payton
This case provides a platform for discussing mental health and depression in entrepreneurship. Why do entrepreneurs have more mental health issues than other professions? What can an entrepreneur do if they face a situation where their mental well-being is being... View Details
Ghosh, Shikhar, Thomas R. Eisenmann, and Christopher Payton. "Ryan Greene at Rainier Wearables." Harvard Business School Case 818-047, August 2017. (Revised November 2021.)
- September 2012
- Article
Learning Agility: In Search of Conceptual Clarity and Theoretical Grounding
By: D. Scott DeRue, Susan J. Ashford and Christopher G. Myers
As organizations become more complex and dynamic, individuals' ability to learn from experience becomes more important. Recently, the concept of learning agility has attracted considerable attention from human resource professionals and consultants interested in... View Details
DeRue, D. Scott, Susan J. Ashford, and Christopher G. Myers. "Learning Agility: In Search of Conceptual Clarity and Theoretical Grounding." Industrial and Organizational Psychology: Perspectives on Science and Practice 5, no. 3 (September 2012): 258–279.