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(297)
- News (9)
- Research (259)
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- Faculty Publications (181)
Show Results For
- All HBS Web
(297)
- News (9)
- Research (259)
- Events (1)
- Multimedia (1)
- Faculty Publications (181)
- 2016
- Working Paper
Entrepreneurship and Public Health Insurance
By: Gareth Olds
I examine the relationship between public health insurance and firm formation. Developing a variant of regression discontinuity, I find the Child Health Insurance Program lowered the child uninsured rate by 40% and increased self-employment by 15%. Monte Carlo evidence... View Details
Olds, Gareth. "Entrepreneurship and Public Health Insurance." Harvard Business School Working Paper, No. 16-144, June 2016.
- September 2022
- Article
The Impact of Financial Assistance Programs on Health Care Utilization: Evidence from Kaiser Permanente
By: Alyce S. Adams, Raymond Kluender, Neale Mahoney, Jinglin Wang, Francis Wong and Wesley Yin
Most hospitals have financial assistance programs for low-income patients. We use administrative data from Kaiser Permanente to study the effects of financial assistance on health care utilization. Using a regression discontinuity design based on an income threshold... View Details
Keywords: Healthcare; Utilization; Financial Assistance; Health Care and Treatment; Social Issues; Poverty; Health Industry
Adams, Alyce S., Raymond Kluender, Neale Mahoney, Jinglin Wang, Francis Wong, and Wesley Yin. "The Impact of Financial Assistance Programs on Health Care Utilization: Evidence from Kaiser Permanente." American Economic Review: Insights 4, no. 3 (September 2022): 389–407.
- Article
How Much Should We Trust Staggered Difference-In-Differences Estimates?
By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang
We explain when and how staggered difference-in-differences regression estimators, commonly applied to assess the impact of policy changes, are biased. These biases are likely to be relevant for a large portion of research settings in finance, accounting, and law that... View Details
Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods
Baker, Andrew C., David F. Larcker, and Charles C.Y. Wang. "How Much Should We Trust Staggered Difference-In-Differences Estimates?" Journal of Financial Economics 144, no. 2 (May 2022): 370–395. (Editor's Choice, May 2022; Jensen Prize, First Place, June 2023.)
- 2013
- Other Teaching and Training Material
Operations Management Reading: Forecasting
By: Steven C. Wheelwright and Ann B. Winslow
This reading provides an introduction to forecasting methods. It includes a brief summary of methods based on judgment and a longer section on quantitative analysis. It also provides sample data so students can develop an understanding of concepts such as correlation,... View Details
Wheelwright, Steven C., and Ann B. Winslow. "Operations Management Reading: Forecasting." Core Curriculum Readings Series. Boston: Harvard Business Publishing 8042, 2013.
- 2012
- Article
Journalists and the Stock Market
By: Christopher Parsons, C. Dougal, J. Engelberg and D. Garcia
We use exogenous scheduling of Wall Street Journal columnists to identify a causal relation between financial reporting and stock market performance. To measure the media's unconditional effect, we add columnist fixed effects to a daily regression of excess Dow Jones... View Details
Parsons, Christopher, C. Dougal, J. Engelberg, and D. Garcia. "Journalists and the Stock Market." Review of Financial Studies 25, no. 3 (March 2012): 639–679.
- October 2020
- Article
Patronage and Selection in Public Sector Organizations
By: Emanuele Colonnelli, Mounu Prem and Edoardo Teso
In all modern bureaucracies, politicians retain some discretion in public employment decisions, which may lead to frictions in the selection process if political connections substitute for individual competence. Relying on detailed matched employer-employee data on the... View Details
Colonnelli, Emanuele, Mounu Prem, and Edoardo Teso. "Patronage and Selection in Public Sector Organizations." American Economic Review 110, no. 10 (October 2020): 3071–3099.
- March 2013
- Article
Bridging the Gap? Government Subsidized Lending and Access to Capital
By: Josh Lerner and Kristle Romero-Cortes
The consequences of providing public funds to financial institutions remain controversial. We examine the Community Development Financial Institution (CDFI) Fund's impact on credit union activity, using hitherto little studied U.S. Treasury data. The CDFI Fund grants... View Details
Keywords: Financing and Loans; Credit; Government and Politics; Financial Institutions; United States
Lerner, Josh, and Kristle Romero-Cortes. "Bridging the Gap? Government Subsidized Lending and Access to Capital." Review of Corporate Finance Studies 2, no. 1 (March 2013): 98–128.
- March 2009 (Revised June 2010)
- Case
Neck & Neck: Leveraging the Club Neck Information
Commercial Director Prado wonders how to leverage the loyalty card information to prepare the fall 2008 budget. The case discusses the value of subjective and objective information for profit-planning purposes. Spanish children's apparel retailer Neck & Neck uses... View Details
Keywords: Customer Relationship Management; Profit; Knowledge Use and Leverage; Marketing; Consumer Behavior; Retail Industry
Martinez-Jerez, Francisco de Asis, Jasmijn Bol, Christopher Ittner, and Katherine Miller. "Neck & Neck: Leveraging the Club Neck Information." Harvard Business School Case 109-070, March 2009. (Revised June 2010.)
- September 2009
- Article
A Detailed Analysis of the Reduction Mammaplasty Learning Curve: A Statistical Process Model for Approaching Surgical Performance Improvement
By: Matthew Carty MD, Rodney Chan, Robert S. Huckman, Daniel C. Snow and Dennis Orgill
Background: The increased focus on quality and efficiency improvement within academic surgery has met with variable success among plastic surgeons. Traditional surgical performance metrics, such as morbidity and mortality, are insufficient to improve the... View Details
Keywords: Experience and Expertise; Health Care and Treatment; Medical Specialties; Outcome or Result; Performance Efficiency; Performance Improvement
Carty, Matthew, MD, Rodney Chan, Robert S. Huckman, Daniel C. Snow, and Dennis Orgill. "A Detailed Analysis of the Reduction Mammaplasty Learning Curve: A Statistical Process Model for Approaching Surgical Performance Improvement." Plastic and Reconstructive Surgery 124, no. 3 (September 2009): 706–714.
- March 2022 (Revised January 2025)
- Technical Note
Prediction & Machine Learning
This note provides an introduction to machine learning for an introductory data science course. The note begins with a description of supervised, unsupervised, and reinforcement learning. Then, the note provides a brief explanation of the difference between traditional... View Details
Keywords: Machine Learning; Data Science; Learning; Analytics and Data Science; Performance Evaluation; AI and Machine Learning
Bojinov, Iavor I., Michael Parzen, and Paul Hamilton. "Prediction & Machine Learning." Harvard Business School Technical Note 622-101, March 2022. (Revised January 2025.)
- 2009
- Case
The Prediction Lover's Handbook
By: Thomas H. Davenport and Jeanne G. Harris
When picking assessment tools to inform better decisions about future paths, executives are faced with a wide variety of options--some of which are well established, while others are in early stages of development. The authors provide an insider's guide to prediction... View Details
Davenport, Thomas H., and Jeanne G. Harris. "The Prediction Lover's Handbook." 2009.
- Article
Deregulation, Misallocation, and Size: Evidence from India
By: Laura Alfaro and Anusha Chari
This paper examines the impact of the deregulation of compulsory industrial licensing in India on firm size dynamics and reallocation of resources within industries. Following deregulation, resource misallocation declines, and the left-hand tail of the firm size... View Details
Keywords: Business Ventures; Size; Emerging Markets; Supply and Industry; Manufacturing Industry; India
Alfaro, Laura, and Anusha Chari. "Deregulation, Misallocation, and Size: Evidence from India." Journal of Law & Economics 57, no. 4 (November 2014): 897–936. (Revised February 2014.)
- September 2012
- Article
The Relationship Between Economic Preferences and Psychological Personality Measures
By: Anke Becker, Thomas Deckers, Thomas Dohmen, Armin Falk and Fabian Kosse
Although both economists and psychologists seek to identify determinants of heterogeneity in behavior, they use different concepts to capture them. In this review, we first analyze the extent to which economic preferences and psychological concepts of personality, such... View Details
Keywords: Risk Preference; Time Preference; Social Preferences; Locus Of Control; Big Five; Economics; Behavior; Personal Characteristics
Becker, Anke, Thomas Deckers, Thomas Dohmen, Armin Falk, and Fabian Kosse. "The Relationship Between Economic Preferences and Psychological Personality Measures." Annual Review of Economics 4 (September 2012): 453–478.
- September 2011
- Article
Up Close and Personal: Developing Foundations for Leader Development through Personalization of Management Learning
By: Gianpiero Petriglieri, Jack D. Wood and Jennifer L. Petriglieri
This paper examines the process through which management students develop personal foundations (such as self-awareness, self-management, and a grounding life narrative) for the ongoing development and practice of leadership. We conducted an inductive, qualitative study... View Details
Keywords: Leadership Development; Innovation and Invention; Personal Development and Career; Curriculum and Courses; Customization and Personalization; Learning; Management Practices and Processes; Business Education
Petriglieri, Gianpiero, Jack D. Wood, and Jennifer L. Petriglieri. "Up Close and Personal: Developing Foundations for Leader Development through Personalization of Management Learning." Academy of Management Learning & Education 10, no. 3 (September 2011). (
Nominated for Carolyn Dexter Award For the paper that best meets the objective of internationalizing the Academy presented by Academy of Management. Winner of Best Paper in Graduate Management Education Sponsored by the Graduate Management Admission Council (GMAC) presented by Academy of Management
.)- December 2011
- Article
Data Impediments to Empirical Work on Health Insurance Markets
By: Leemore S. Dafny, David Dranove, Frank Limbrock and Fiona Scott Morton
We compare four datasets that researchers might use to study competition in the health insurance industry. We show that the two datasets most commonly used to estimate market concentration differ considerably from each other (both in levels and in changes over time),... View Details
Dafny, Leemore S., David Dranove, Frank Limbrock, and Fiona Scott Morton. "Data Impediments to Empirical Work on Health Insurance Markets." B.E. Journal of Economic Analysis & Policy 11, no. 2 (December 2011).
- 2018
- Working Paper
Corporate Tax Cuts Increase Income Inequality
By: Suresh Nallareddy, Ethan Rouen and Juan Carlos Suárez Serrato
This paper studies the effects of corporate tax changes on income inequality. Using state corporate tax rate changes as a setting, we show that cutting state corporate tax rates leads to increases in income inequality. This result is robust to using regression and... View Details
Nallareddy, Suresh, Ethan Rouen, and Juan Carlos Suárez Serrato. "Corporate Tax Cuts Increase Income Inequality." Harvard Business School Working Paper, No. 18-101, May 2018.
- Research Summary
Deregulation, Misallocation, and Size: Evidence from India
By: Laura Alfaro
This paper examines the impact of the deregulation of compulsory industrial licensing in India on firm size dynamics and reallocation of resources within industries. Following deregulation, resource misallocation declines, and the left-hand tail of the firm size... View Details
- March 2017
- Article
Institutional Ownership and Corporate Tax Avoidance: New Evidence
By: Mozaffar N. Khan, Suraj Srinivasan and Liang Tan
We provide new evidence on the agency theory of corporate tax avoidance (Slemrod, 2004; Crocker and Slemrod, 2005; Chen and Chu, 2005) by showing that increases in institutional ownership are associated with increases in tax avoidance. Using the Russell index... View Details
Keywords: Tax Avoidance; Agency Costs; Institutional Ownership; Private Ownership; Crime and Corruption; Taxation; Agency Theory
Khan, Mozaffar N., Suraj Srinivasan, and Liang Tan. "Institutional Ownership and Corporate Tax Avoidance: New Evidence." Accounting Review 92, no. 2 (March 2017): 101–122.
- 2015
- Working Paper
A Theory of Intergenerational Mobility
By: Gary Becker, Scott Duke Kominers, Kevin Murphy and Jorg L. Spenkuch
We develop a model of intergenerational resource transmission that emphasizes the link between cross-sectional inequality and intergenerational mobility. By drawing on first principles of human capital theory, we derive several novel results. In particular, we show... View Details
Keywords: Intergenerational Mobility; Inequality; Complementarities; Human Capital; Equality and Inequality; Income; Family and Family Relationships
Becker, Gary, Scott Duke Kominers, Kevin Murphy, and Jorg L. Spenkuch. "A Theory of Intergenerational Mobility." Working Paper, August 2015.
- February 2014
- Article
National Institutions and Subnational Development in Africa
By: Stelios Michalopoulos and Elias Papaioannou
We investigate the role of national institutions on subnational African development in a novel framework that accounts both for local geography and cultural-genetic traits. We exploit the fact that the political boundaries in the eve of African independence partitioned... View Details
Michalopoulos, Stelios, and Elias Papaioannou. "National Institutions and Subnational Development in Africa." Quarterly Journal of Economics 129, no. 1 (February 2014): 151–213.