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Show Results For
- All HBS Web
(3,668)
- People (9)
- News (620)
- Research (2,450)
- Events (56)
- Multimedia (3)
- Faculty Publications (1,159)
- 2023
- Working Paper
The Real Effects of Fair Workweek Laws on Work Schedules: Evidence from Chicago, Los Angeles, and Philadelphia
By: Caleb Kwon and Ananth Raman
Effective in eight jurisdictions and banned in four, Fair Workweek Laws (FWL) aim to increase the predictability and stability of work schedules. Among other requirements, these laws penalize employers for unilaterally adjusting work schedules without providing some... View Details
Kwon, Caleb, and Ananth Raman. "The Real Effects of Fair Workweek Laws on Work Schedules: Evidence from Chicago, Los Angeles, and Philadelphia." Working Paper, October 2023.
- 16 Nov 2021
- News
Getting Back Together for Global Networking Night; Healthcare Conference Draws New Interest
Clubs News Clubs News Reconnecting and Reimagining the Future at Global Networking Night The 2021 HBS Global Networking Night (GNN), held on October 20, celebrated 55 global alumni events from 45 clubs,... View Details
Keywords: Margie Kelley
- 2020
- Working Paper
The Effects of Information on Credit Market Competition: Evidence from Credit Cards
By: C. Fritz Foley, Agustin Hurtado, Andres Liberman and Alberto Sepulveda
We show empirically that public credit information increases competition in credit markets. We access data that cover all credit card borrowers in Chile and include details about relationship borrowers have with each lender. We exploit a natural experiment whereby a... View Details
Keywords: Consumer Credit; Financial Intermediaries; Credit; Information; Competition; Credit Cards; Financial Institutions
Foley, C. Fritz, Agustin Hurtado, Andres Liberman, and Alberto Sepulveda. "The Effects of Information on Credit Market Competition: Evidence from Credit Cards." Working Paper, February 2020.
- August 2018 (Revised September 2018)
- Supplement
Predicting Purchasing Behavior at PriceMart (B)
By: Srikant M. Datar and Caitlin N. Bowler
Supplements the (A) case. In this case, Wehunt and Morse are concerned about the logistic regression model overfitting to the training data, so they explore two methods for reducing the sensitivity of the model to the data by regularizing the coefficients of the... View Details
Keywords: Data Science; Analytics and Data Science; Analysis; Customers; Household; Forecasting and Prediction
Datar, Srikant M., and Caitlin N. Bowler. "Predicting Purchasing Behavior at PriceMart (B)." Harvard Business School Supplement 119-026, August 2018. (Revised September 2018.)
- Article
Private and Civil Society Governors of Mercury Pollution from Artisanal and Small-scale Gold Mining: A Network Analytic Approach
By: Kristin Sippl
Artisanal and small-scale gold mining (ASGM) is both a subsistence livelihood for millions of people and the leading source of mercury pollution globally. The United Nation’s 2013 Minamata Convention on Mercury aims to address this challenge, but such public regulatory... View Details
Keywords: Artisanal And Small-scale Mining (ASM); Private Governance; Gold; Mercury; Mining; Governance; Networks; Pollutants; Research
Sippl, Kristin. "Private and Civil Society Governors of Mercury Pollution from Artisanal and Small-scale Gold Mining: A Network Analytic Approach." Extractive Industries and Society 2, no. 2 (April 2015): 198–208.
- 02 Feb 2002
- What Do You Think?
Will the Societal Effects of Enron Exceed Those of September 11?
Summing Up The question of the relative societal effects of the Enron case and the September 11 attacks elicited some of the most heated responses received to date. But where there was heat, there was not necessarily fire—that is, if... View Details
Keywords: by James Heskett
- Article
Effect of Different Financial Incentive Structures on Promoting Physical Activity Among Adults: A Randomized Clinical Trial
By: Chethan Bachireddy, Andrew Joung, Leslie K. John, Francesca Gino, Bradford Tuckfield, Luca Foschini and Katherine L. Milkman
Importance: Few adults engage in recommended levels of physical activity. Financial incentives can promote physical activity, but little is known about how their structure influences their effectiveness; for example, whether incentives are more effective if they are... View Details
Bachireddy, Chethan, Andrew Joung, Leslie K. John, Francesca Gino, Bradford Tuckfield, Luca Foschini, and Katherine L. Milkman. "Effect of Different Financial Incentive Structures on Promoting Physical Activity Among Adults: A Randomized Clinical Trial." JAMA Network Open 2, no. 8 (August 2019): 1–13.
- 23 Aug 2006
- Working Paper Summaries
Capturing Benefits from Tomorrow’s Technology in Today’s Products: The Effect of Absorptive Capacity
- Article
Ensembles of Overfit and Overconfident Forecasts
By: Y. Grushka-Cockayne, V.R.R. Jose and K. C. Lichtendahl
Firms today average forecasts collected from multiple experts and models. Because of cognitive biases, strategic incentives, or the structure of machine-learning algorithms, these forecasts are often overfit to sample data and are overconfident. Little is known about... View Details
Grushka-Cockayne, Y., V.R.R. Jose, and K. C. Lichtendahl. "Ensembles of Overfit and Overconfident Forecasts." Management Science 63, no. 4 (April 2017): 1110–1130.
- November 5, 2021
- Article
Leaders: Stop Confusing Correlation with Causation
By: Michael Luca
We’ve all been told that correlation does not imply causation. Yet many business leaders, elected officials, and media outlets still make causal claims based on misleading correlations. These claims are too often unscrutinized, amplified, and mistakenly used to guide... View Details
Keywords: Behavioral Economics; Data Analysis; Organizations; Decision Making; Analytics and Data Science; Analysis; Learning
Luca, Michael. "Leaders: Stop Confusing Correlation with Causation." Harvard Business Review Digital Articles (November 5, 2021).
- 2021
- Working Paper
Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the U.S.
By: Vasiliki Fouka and Marco Tabellini
How do social group boundaries evolve? Does the appearance of a new outgroup change the ingroup's perceptions of other outgroups? We introduce a conceptual framework of context-dependent categorization, in which exposure to one minority leads to recategorization of... View Details
Keywords: In-group-out-group Relations; Immigration; Race; Attitudes; Boundaries; Prejudice and Bias
Fouka, Vasiliki, and Marco Tabellini. "Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the U.S." Harvard Business School Working Paper, No. 20-100, March 2020. (Accepted at American Political Science Review. Revised June 2021.)
- September 2019
- Article
Bill McKibben’s Influence on U.S. Climate Change Discourse: Shifting Field-Level Debates Through Radical Flank Effects
By: Todd Schifeling and Andrew J. Hoffman
This article examines the influence of radical flank actors in shifting field-level debates by increasing the legitimacy of preexisting but peripheral issues. Using network text analysis, we apply this conceptual model to the climate change debate in the United States... View Details
Keywords: Government Legislation; Climate Change; Public Opinion; Power and Influence; Policy; United States
Schifeling, Todd, and Andrew J. Hoffman. "Bill McKibben’s Influence on U.S. Climate Change Discourse: Shifting Field-Level Debates Through Radical Flank Effects." Organization & Environment 32, no. 3 (September 2019): 213–233.
- 2021
- Working Paper
The Old Boys' Club: Schmoozing and the Gender Gap
By: Zoë B. Cullen and Ricardo Perez-Truglia
Offices are social places. Employees and managers take breaks together and talk about
family and hobbies. In this study, we show that employees’ social interactions with their managers
can be advantageous for their careers, and that this phenomenon contributes to the... View Details
Keywords: Career; Promotions; Social Interactions; Networking; Gender; Personal Development and Career; Wages; Social and Collaborative Networks
Cullen, Zoë B., and Ricardo Perez-Truglia. "The Old Boys' Club: Schmoozing and the Gender Gap." Working Paper, June 2021. (American Economic Review 2023, 113(7): 1703–1740. https://doi.org/10.1257/aer.20210863.)
- 14 Apr 2014
- Working Paper Summaries
Facts and Figuring: An Experimental Investigation of Network Structure and Performance in Information and Solution Spaces
- 2010
- Working Paper
Evaluating the Effects of Large-Scale Health Interventions in Developing Countries: The Zambian Malaria Initiative
By: Nava Ashraf, Gunther Fink and David N. Weil
Since 2003, Zambia has been engaged in a large-scale, centrally coordinated national anti-malaria campaign which has become a model in sub-Saharan Africa. This paper aims at quantifying the individual and macro level benefits of this campaign, which involved mass... View Details
Keywords: Cost vs Benefits; Developing Countries and Economies; Health Care and Treatment; Health Disorders; Performance Evaluation; Programs; Health Industry; Zambia
Ashraf, Nava, Gunther Fink, and David N. Weil. "Evaluating the Effects of Large-Scale Health Interventions in Developing Countries: The Zambian Malaria Initiative." NBER Working Paper Series, No. 16069, June 2010.
- Forthcoming
- Article
Redemption Mechanisms in Poison Pills: Evidence on Pill Design and Law Firm Effects
By: Olivier Baum and Guhan Subramanian
We present the first evidence on the incidence of “trip wire” versus “last look” poison pills. Using a hand-collected data set of 130 poison pills implemented and/or amended between January 1, 2020 and March 31, 2023, we find that pills are almost evenly divided... View Details
- September 2023
- Article
Consuming Contests: The Effect of Outcome Uncertainty on Spectator Attendance in the Australian Football League
By: Patrick Ferguson and Karim R. Lakhani
Contests that non-contestants consume for entertainment are a fixture of economic, cultural and political life. We exploit injury-induced changes to teams' line-ups in a professional sports setting to examine whether individuals prefer to consume contests that have... View Details
Ferguson, Patrick, and Karim R. Lakhani. "Consuming Contests: The Effect of Outcome Uncertainty on Spectator Attendance in the Australian Football League." Economic Record 99, no. 326 (September 2023): 410–435.
- 2016
- Chapter
Evaluating the Effects of Large Scale Health Interventions in Developing Countries: The Zambian Malaria Initiative
By: Nava Ashraf, Gunther Fink and David N. Weil
Since 2003, Zambia has been engaged in a large-scale, centrally coordinated national anti-Malaria campaign, which has become a model in sub-Saharan Africa. This paper aims at quantifying the individual and macro-level benefits of this campaign, which involved mass... View Details
Ashraf, Nava, Gunther Fink, and David N. Weil. "Evaluating the Effects of Large Scale Health Interventions in Developing Countries: The Zambian Malaria Initiative." Chap. 1 in African Successes, Volume 2: Human Capital, edited by Sebastian Edwards, Simon Johnson, and David N. Weil. University of Chicago Press, 2016.