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(6,754)
- News (1,202)
- Research (4,388)
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- Faculty Publications (3,008)
Show Results For
- All HBS Web
(6,754)
- News (1,202)
- Research (4,388)
- Events (115)
- Multimedia (62)
- Faculty Publications (3,008)
Time Series Experiments and Causal Estimands: Exact Randomization Tests and Trading
We define causal estimands for experiments on single time series, extending the potential outcome framework to dealing with temporal data. Our approach allows the estimation of a broad class of these estimands and exact... View Details
Trends and Predictors of Biomedical Research Quality, 1990-2015
This work leverages the strengths of expert human assessments of randomized controlled trials (RCTs) included in Cochrane reviews with data science techniques to build a comprehensive database on biomedical research quality. The data links the full-text and... View Details
- February 2025
- Case
Abiomed: Clinical Trials and Tribulations
By: Satish Tadikonda, Faith Robertson and William Marks
After receiving 510(k) clearance for the Impella 2.5 device, Abiomed had proceeded to conduct a premarket approval (PMA) process as well to prove clinical superiority, earn greater protection, and extend commercial runway. However, in the middle of the clinical trial... View Details
Keywords: Corporate Disclosure; Governing Rules, Regulations, and Reforms; Health Testing and Trials; Product Launch; Medical Devices and Supplies Industry
Tadikonda, Satish, Faith Robertson, and William Marks. "Abiomed: Clinical Trials and Tribulations." Harvard Business School Case 825-096, February 2025.
- 2016
- Book
Innovation Policy and the Economy, Volume 17
By: Shane Greenstein, Josh Lerner and Scott Stern
The seventeenth volume of the National Bureau of Economic Research’s Innovation Policy and the Economy provides an accessible forum for bringing the work of leading academic researchers to an audience of policymakers and those interested in the interaction... View Details
Greenstein, Shane, Josh Lerner and Scott Stern, eds. Innovation Policy and the Economy, Volume 17. Chicago: University of Chicago Press, 2016.
- 2014
- Working Paper
Firm Competitiveness and Detection of Bribery
By: George Serafeim
Using survey data from firms around the world I analyze how detection of bribery has impacted a firm's competitiveness over the past year. Managers report that the most significant impact was on employee morale, followed by business relations, and then reputation and... View Details
Keywords: Competitiveness; Corruption; Bribery; Employee Engagement; Reputation; Regulation; Competition; Crime and Corruption; Ethics; Performance
Serafeim, George. "Firm Competitiveness and Detection of Bribery." Harvard Business School Working Paper, No. 14-012, July 2013. (Revised February 2014, April 2014.)
- Article
Beacon and Warning: Sherman Kent, Scientific Hubris, and the CIA's Office of National Estimates
By: J. Peter Scoblic
Would-be forecasters have increasingly extolled the predictive potential of Big Data and artificial intelligence. This essay reviews the career of Sherman Kent, the Yale historian who directed the CIA’s Office of National Estimates from 1952 to 1967, with an eye toward... View Details
Keywords: National Security; Analytics and Data Science; Analysis; Forecasting and Prediction; History
Scoblic, J. Peter. "Beacon and Warning: Sherman Kent, Scientific Hubris, and the CIA's Office of National Estimates." Texas National Security Review 1, no. 4 (August 2018).
- Research Summary
The Ownership and Trading of Debt Claims in Chapter 11 Restructurings (with Victoria Ivashina and David Smith)
This paper explores a novel data set that identifies over 71,000 investors holding debt claims of 136 companies filing for U.S. Chapter 11 bankruptcy protection during the period of 1998 through 2009. We investigate how concentration in debt ownership relates to... View Details
- October 2023 (Revised February 2024)
- Technical Note
Design and Evaluation of Targeted Interventions
By: Eva Ascarza and Ta-Wei (David) Huang
Targeted interventions serve as a pivotal tool in business strategy, streamlining decisions for enhanced efficiency and effectiveness. This note delves into two central facets of such interventions: first, the design of potent decision guidelines, or targeting... View Details
Keywords: Marketing; Customer Relationship Management; Analysis; Design; Business Strategy; Apparel and Accessories Industry; Apparel and Accessories Industry; Apparel and Accessories Industry; Apparel and Accessories Industry; Apparel and Accessories Industry
Ascarza, Eva, and Ta-Wei (David) Huang. "Design and Evaluation of Targeted Interventions." Harvard Business School Technical Note 524-034, October 2023. (Revised February 2024.)
- July 2016
- Article
Taxation, Corruption, and Growth
By: Philippe Aghion, Ufuk Akcigit, Julia Cagé and William R. Kerr
We build an endogenous growth model to analyze the relationships between taxation, corruption, and economic growth. Entrepreneurs lie at the center of the model and face disincentive effects from taxation but acquire positive benefits from public infrastructure.... View Details
Keywords: Endogenous Growth; Public Goods; Corruption; Crime and Corruption; Entrepreneurship; Taxation; Economic Growth
Aghion, Philippe, Ufuk Akcigit, Julia Cagé, and William R. Kerr. "Taxation, Corruption, and Growth." Special Issue on The Economics of Entrepreneurship. European Economic Review 86 (July 2016): 24–51.
- 01 Jun 2020
- Working Paper Summaries
Rebates in the Pharmaceutical Industry: Evidence from Medicines Sold in Retail Pharmacies in the U.S.
- 06 Apr 2020
- Working Paper Summaries
A General Theory of Identification
Keywords: by Iavor Bojinov and Guillaume Basse
- 2009
- Chapter
Plant-Size Distribution and Cross-Country Income Differences
By: Laura Alfaro, Andrew Charlton and Fabio Kanczuk
We investigate, using plant-level data for 79 developed and developing countries, whether differences in the allocation of resources across heterogeneous plants are a significant determinant of cross-country differences in income per worker. For this purpose, we use a... View Details
Keywords: Factories, Labs, and Plants; Developing Countries and Economies; Wages; Resource Allocation; Mathematical Methods
Alfaro, Laura, Andrew Charlton, and Fabio Kanczuk. "Plant-Size Distribution and Cross-Country Income Differences." In NBER International Seminar on Macroeconomics 2008, edited by Jeffrey A. Frankel and Christopher Pissarides. Cambridge, MA: National Bureau of Economic Research, 2009.
- 2008
- Working Paper
Firm-Size Distribution and Cross-Country Income Differences
By: Laura Alfaro, Andrew Charlton and Fabio Kanczuk
We investigate, using plant-level data for 79 developed and developing countries, whether differences in the allocation of resources across heterogeneous plants are a significant determinant of cross-country differences in income per worker. For this purpose, we use a... View Details
Keywords: Factories, Labs, and Plants; Developing Countries and Economies; Wages; Resource Allocation; Mathematical Methods
Alfaro, Laura, Andrew Charlton, and Fabio Kanczuk. "Firm-Size Distribution and Cross-Country Income Differences." NBER Working Paper Series, No. 14060, June 2008.
- September 2005
- Article
Affect and Creativity at Work
By: Teresa M. Amabile, Sigal G. Barsade, Jennifer S. Mueller and Barry M. Staw
This study explored how affect relates to creativity at work. Using both quantitative and qualitative longitudinal data from the daily diaries of 222 employees in seven companies, we examined the nature, form, and temporal dynamics of the affect-creativity... View Details
Amabile, Teresa M., Sigal G. Barsade, Jennifer S. Mueller, and Barry M. Staw. "Affect and Creativity at Work." Administrative Science Quarterly 50, no. 3 (September 2005): 367–403.
- 2008
- Working Paper
Inexperienced Investors and Bubbles
By: Robin Greenwood and Stefan Nagel
We use mutual fund manager data from the technology bubble to examine the hypothesis that inexperienced investors play a role in the formation of asset price bubbles. Using age as a proxy for managers' investment experience, we find that around the peak of the... View Details
Keywords: Investment; Stocks; Information Technology; Price Bubble; Asset Management; Experience and Expertise
Greenwood, Robin, and Stefan Nagel. "Inexperienced Investors and Bubbles." NBER Working Paper Series, No. 14111, June 2008.
- January 2004 (Revised July 2007)
- Case
Lumen and Absorb Teams at Crutchfield Chemical Engineering, The
By: Teresa M. Amabile and Elizabeth Schatzel
Large discrepancies have developed between two elite technology development teams at Crutchfield Chemical Engineering in terms of motivation and creativity. To investigate, Paul Burke, director of corporate technology development, commissioned a study of the day-by-day... View Details
Keywords: Leadership; Managerial Roles; Projects; Groups and Teams; Behavior; Creativity; Motivation and Incentives
Amabile, Teresa M., and Elizabeth Schatzel. "Lumen and Absorb Teams at Crutchfield Chemical Engineering, The." Harvard Business School Case 804-118, January 2004. (Revised July 2007.)
- 2025
- Working Paper
Global Evidence on Gender Gaps and Generative AI
By: Nicholas G. Otis, Solène Delecourt, Katelynn Cranney and Rembrand Koning
Generative AI has the potential to transform productivity and reduce inequality, but only if adopted broadly. In this paper, we show that recently identified gender gaps in generative AI use are nearly universal. Synthesizing data from 18 studies covering more than... View Details
Otis, Nicholas G., Solène Delecourt, Katelynn Cranney, and Rembrand Koning. "Global Evidence on Gender Gaps and Generative AI." Harvard Business School Working Paper, No. 25-023, October 2024. (Revised January 2025.)
- 2024
- Working Paper
Appropriate Entrepreneurship? The Rise of China and the Developing World
By: Josh Lerner, Junxi Liu, Jacob Moscona and David Yang
Global innovation and entrepreneurship has traditionally been dominated by a handful
of high-income countries, especially the US. This paper investigates the international
consequences of the rise of a new hub for innovation, focusing on the dramatic
growth of... View Details
Lerner, Josh, Junxi Liu, Jacob Moscona, and David Yang. "Appropriate Entrepreneurship? The Rise of China and the Developing World." Harvard Business School Working Paper, No. 24-061, March 2024.
- Article
Affording to Wait: Medicare Initiation and the Use of Health Care
By: Guy David, Philip Saynisch, Victoria Acevado-Perez and Mark D. Neuman
Delays in receipt of necessary diagnostic and therapeutic medical procedures related to the timing of Medicare initiation at age 65 years have potentially broad welfare implications. We use 2005–2007 data from Florida and North Carolina to estimate the effect of... View Details
Keywords: Medicare; Behavior; Insurance; Health Care and Treatment; Insurance Industry; Public Administration Industry; Health Industry; North Carolina; Florida
David, Guy, Philip Saynisch, Victoria Acevado-Perez, and Mark D. Neuman. "Affording to Wait: Medicare Initiation and the Use of Health Care." Health Economics 21, no. 8 (August 2012): 1030–1036.
- 23 May 2011
- Op-Ed
Leading and Lagging Countries in Contributing to a Sustainable Society
which corporate and investor behavior is changing. We did so by analyzing data from more than 2,000 companies in 23 countries, and then ranked those countries based on the... View Details
Keywords: by Robert G. Eccles & George Serafeim