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Show Results For
- All HBS Web
(2,362)
- People (7)
- News (479)
- Research (1,388)
- Events (10)
- Multimedia (3)
- Faculty Publications (389)
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- 2025
- Working Paper
How Do Voters Respond to Cues by Charismatic Leaders? Evidence from Brazil
By: Paula Rettl
While elite-cue effects on public opinion are well-documented, questions remain as
to when and why voters use elite cues to inform their opinions and behaviors. This
study contributes to answer these questions by testing whether voters react to cues
by charismatic... View Details
Keywords: Elites; Public Engagement; Politics; Political Affiliation; Political Campaigns; Political Influence; Political Leadership; Political Economy; Survey Research; COVID-19; COVID-19 Pandemic; COVID; Cognitive Psychology; Cognitive Biases; Political Elections; Voting; Power and Influence; Identity; Behavior; Latin America; Brazil
Rettl, Paula. "How Do Voters Respond to Cues by Charismatic Leaders? Evidence from Brazil." Harvard Business School Working Paper, No. 24-022, October 2023. (Revised June 2025.)
- 2019
- Working Paper
From Know-It-Alls to Learn-It-Alls: Executive Development in the Era of Self-Refining Algorithms, Collaborative Filtering and Wearable Computing
By: Mihnea Moldoveanu and Das Narayandas
We examine the future of executive education on a technological and cultural landscape that is imminent but different to the one we are accustomed to. We show how the contextualization, socialization and personalization of learning—avowed but distal goals of current... View Details
Keywords: Executive Education; Leadership Development; Technological Innovation; Customization and Personalization; Management Skills; Knowledge Acquisition; Knowledge Sharing
Moldoveanu, Mihnea, and Das Narayandas. "From Know-It-Alls to Learn-It-Alls: Executive Development in the Era of Self-Refining Algorithms, Collaborative Filtering and Wearable Computing." Harvard Business School Working Paper, No. 20-061, November 2019.
- September 2013
- Article
Testimonials Do Not Convert Patients from Brand to Generic Medication
By: John Beshears, James J. Choi, David Laibson, Brigitte C. Madrian and Gwendolyn Reynolds
Objectives: To assess whether the addition of a peer testimonial to an informational mailing increases conversion rates from brand name prescription medications to lower-cost therapeutic equivalents, and whether the testimonial's efficacy increases when... View Details
Keywords: Testimonial; Peer Information; Social Proximity; Communication; Generic Medication; Familiarity; Marketing Communications; Decision Choices and Conditions; Identity; Health Care and Treatment; Marketing Reference Programs; Power and Influence; Brands and Branding; Health Industry
Beshears, John, James J. Choi, David Laibson, Brigitte C. Madrian, and Gwendolyn Reynolds. "Testimonials Do Not Convert Patients from Brand to Generic Medication." American Journal of Managed Care 19, no. 9 (September 2013): e314–e316.
- July–August 2024
- Article
Doing More with Less: Overcoming Ineffective Long-Term Targeting Using Short-Term Signals
By: Ta-Wei Huang and Eva Ascarza
Firms are increasingly interested in developing targeted interventions for customers with the best response,
which requires identifying differences in customer sensitivity, typically through the conditional average treatment
effect (CATE) estimation. In theory, to... View Details
Keywords: Long-run Targeting; Heterogeneous Treatment Effect; Statistical Surrogacy; Customer Churn; Field Experiments; Consumer Behavior; Customer Focus and Relationships; AI and Machine Learning; Marketing Strategy
Huang, Ta-Wei, and Eva Ascarza. "Doing More with Less: Overcoming Ineffective Long-Term Targeting Using Short-Term Signals." Marketing Science 43, no. 4 (July–August 2024): 863–884.
- March 2014
- Background Note
Setting Price Effectively
By: Nava Ashraf and Kristin Johnson
Price is one of the most powerful instruments a manager can use to influence the take-up of her product, especially in a subsidized and noncompetitive market as is common for global health products. However, the question of whether and how to price has been the subject... View Details
Ashraf, Nava, and Kristin Johnson. "Setting Price Effectively." Harvard Business School Background Note 914-037, March 2014. (Request a courtesy copy.)
- 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
Ljungqvist, Alexander, Christopher J. Malloy, and Felicia Marston. "Rewriting History." Journal of Finance 64, no. 4 (August 2009): 1935–1960.
- 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
- 14 Nov 2017
- First Look
New Research and Ideas: November 14, 2017
video show significant changes in cortisol level, heart rate, and measures of cognitive control. Instead, previously victimized individuals who are exposed to the treatment video show biological markers and cognitive performance... View Details
Keywords: Carmen Nobel
- 2012
- Chapter
An Assessment of How Urban Crime and Victimization Affects Life Satisfaction
By: Carlos Medina and Jorge Tamayo
We use data for Medellín, Colombia, to assess the effect of the homicide rate, individual’s perception of security in their neighborhood of residence, and of the effect of their having been victimized, on life satisfaction. We find a negative effect of the homicide... View Details
Medina, Carlos, and Jorge Tamayo. "An Assessment of How Urban Crime and Victimization Affects Life Satisfaction." In Subjective Well-Being and Security. No. 46, edited by Dave Webb and Eduardo Wills-Herrera, 91–147. Social Indicators Research Series. Dordrecht ; New York: Springer, 2012.
- Fall 2016
- Article
Global Talent Flows
By: Sari Pekkala Kerr, William R. Kerr, Çağlar Özden and Christopher Parsons
The global distribution of talent is highly skewed and the resources available to countries to develop and utilize their best and brightest vary substantially. The migration of skilled workers across countries tilts the deck even further. Using newly available data, we... View Details
Keywords: Geographic Location; Human Capital; Entrepreneurship; Global Range; Competency and Skills; Immigration
Kerr, Sari Pekkala, William R. Kerr, Çağlar Özden, and Christopher Parsons. "Global Talent Flows." Journal of Economic Perspectives 30, no. 4 (Fall 2016): 83–106.
- 2015
- Chapter
Deep Smarts as the Underpinnings of Dynamic Capabilities
By: Dorothy A. Leonard and Michelle Barton
Both ordinary and dynamic capabilities depend upon the deep smarts, i.e., business-critical, experience-based knowledge, held in the heads of an organization’s top talent. This chapter examines the links between individual and organizational capabilities and presents... View Details
Leonard, Dorothy A., and Michelle Barton. "Deep Smarts as the Underpinnings of Dynamic Capabilities." In The Oxford Handbook of Dynamic Capabilities, edited by David J. Teece and Sohvi Leih. Oxford University Press, 2015. Electronic.
- 2012
- Chapter
Mental Health in the Aftermath of Conflict
By: Quy-Toan Do and Lakshmi Iyer
We survey the recent literature on the mental health effects of conflict. We highlight the methodological challenges faced in this literature, which include the lack of validated mental health scales in a survey context, the difficulties in measuring individual... View Details
Keywords: Conflict of Interests; Measurement and Metrics; Surveys; Analytics and Data Science; Ethnicity; War; Health Disorders; Body of Literature; Problems and Challenges; Bosnia and Hercegovina
Do, Quy-Toan, and Lakshmi Iyer. "Mental Health in the Aftermath of Conflict." In Oxford Handbook of the Economics of Peace and Conflict, edited by Michelle Garfinkel and Stergios Skaperdas. Oxford University Press, 2012.
- 2009
- Chapter
Chinese Railroads, Local Society, and Foreign Presence: The Tianjin-Pukou Line in pre-1949 Shandong
By: Elisabeth Koll
This chapter explores issues of how Chinese railroads improved social mobility and standards of living along major trunk lines, and how foreign investment shaped the integration of the Chinese railroad network from the early 1900s to 1949. As this case study of the... View Details
Keywords: Foreign Direct Investment; Business History; Industry Growth; Welfare or Wellbeing; Rail Transportation; Rail Industry; China
Koll, Elisabeth. "Chinese Railroads, Local Society, and Foreign Presence: The Tianjin-Pukou Line in pre-1949 Shandong." In Manchurian Railways and the Opening of China: An International History, edited by Bruce A. Elleman and Stephen Kotkin, 123–148. New York: M.E. Sharpe, 2009.
- March 2009 (Revised September 2011)
- Case
Zopa: The Power of Peer-to-Peer Lending
By: Mikolaj Jan Piskorski, Isabel Fernandez-Mateo and David Chen
Zopa, a U.K.-based peer-to-peer lending company, connected individual lenders and borrowers via an online interface. The company charged a small fee for completed loan transactions but has not turned a profit. Zopa offered two platforms, Markets and Listings. Markets... View Details
Keywords: Financing and Loans; Personal Finance; Market Participation; Digital Platforms; Social and Collaborative Networks; Financial Services Industry; United Kingdom
Piskorski, Mikolaj Jan, Isabel Fernandez-Mateo, and David Chen. "Zopa: The Power of Peer-to-Peer Lending." Harvard Business School Case 709-469, March 2009. (Revised September 2011.)
- August 2001 (Revised February 2005)
- Case
Dakota Office Products
By: Robert S. Kaplan
The senior management team of Dakota, an office products distributor, is concerned about the company's first loss in history. Explores the role for activity based costing and customer profitability measurement in a distribution company. Dakota's customers are... View Details
Keywords: Activity Based Costing and Management; Order Taking and Fulfillment; Profit; Distribution; Customers; Distribution Industry
Kaplan, Robert S. "Dakota Office Products." Harvard Business School Case 102-021, August 2001. (Revised February 2005.)
- 2008
- Book
Gross National Happiness: Why Happiness Matters for America—and How We Can Get More of It
By: Arthur C. Brooks
Who are the happiest Americans? Surveys show that religious people think they are happier than secularists, and secularists think they are happier than religious people. Liberals believe they are happier than conservatives, and conservatives disagree. In fact, almost... View Details
Brooks, Arthur C. Gross National Happiness: Why Happiness Matters for America—and How We Can Get More of It. New York: Basic Books, 2008.
- 03 Oct 2005
- What Do You Think?
What’s the Future of Globally Organized Labor?
include differences in objectives of various work groups, a concentration on short-term goals, and a leadership gap. "Unionization will be achieved from increased interaction due to the ease of communication through electronic means,... View Details
Keywords: by James Heskett
- 27 Jan 2010
- Working Paper Summaries
Labor Regulations and European Private Equity
Keywords: by Ant Bozkaya & William R. Kerr
- 02 May 2016
- Research & Ideas
Why People Don’t Vote--and How a Good Ground Game Helps
informed overall than native-born citizens. Another explanation, however, is that the visits simply sent a message that these voters’ opinions mattered. “They sent a very different signal than the interactions immigrants have with most... View Details
- September 2021 (Revised November 2021)
- Case
Kwame Owusu-Kesse at the Harlem Children's Zone
Do you—as leader, an individual within an organization, or running your own business—know when to say yes and when to say no? How do you make decisions about your own career and life? How do you counsel others who ask you for career and life insights?... View Details
Keywords: COVID-19 Pandemic; Leadership; Corporate Social Responsibility and Impact; Decisions; Nonprofit Organizations; Personal Development and Career; Growth and Development Strategy; Race; Social Issues; New York (city, NY)
Jachimowicz, Jon M. "Kwame Owusu-Kesse at the Harlem Children's Zone." Harvard Business School Case 422-020, September 2021. (Revised November 2021.)