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Show Results For
- All HBS Web
(1,117)
- People (1)
- News (169)
- Research (614)
- Events (17)
- Multimedia (5)
- Faculty Publications (371)
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- 2022
- Working Paper
Causal Inference During A Pandemic: Evidence on the Effectiveness of Nebulized Ibuprofen as an Unproven Treatment for COVID-19 in Argentina
By: Sebastian Calonico, Rafael Di Tella and Juan Cruz Lopez Del Valle
Many medical decisions during the pandemic were made without the support of causal evidence obtained in clinical trials. We study the case of nebulized ibuprofen (NaIHS), a drug that was extensively used on COVID-19 patients in Argentina amidst wild claims about its... View Details
Keywords: COVID-19; Drug Treatment; Health Pandemics; Health Care and Treatment; Decision Making; Outcome or Result; Argentina
Calonico, Sebastian, Rafael Di Tella, and Juan Cruz Lopez Del Valle. "Causal Inference During A Pandemic: Evidence on the Effectiveness of Nebulized Ibuprofen as an Unproven Treatment for COVID-19 in Argentina." NBER Working Paper Series, No. 30084, May 2022.
- Article
What We Can Learn from Five Naturalistic Field Experiments that Failed to Shift Commuter Behaviour
By: Ariella S. Kristal and A.V. Whillans
Across five field experiments with employees of a large organization (n = 68,915), we examined whether standard behavioural interventions (“nudges”) successfully reduced single-occupancy vehicle commutes. In Studies 1 and 2, we sent letters and emails with nudges... View Details
Kristal, Ariella S., and A.V. Whillans. "What We Can Learn from Five Naturalistic Field Experiments That Failed to Shift Commuter Behaviour." Nature Human Behaviour 4, no. 2 (February 2020): 169–176. (This article was featured on the cover as the lead article.)
- October 2007
- Article
The Effectiveness of Pre-Release Advertising for Motion Pictures: An Empirical Investigation Using a Simulated Market
By: Anita Elberse and Bharat N. Anand
One of the most visible and publicized trends in the movie industry is the escalation in movie advertising expenditures over time. Yet, the returns to movie advertising are poorly understood. The main reason is that disentangling the causal effect of advertising on... View Details
Keywords: Advertising; Stocks; Investment Return; Price; Revenue; Quality; Mathematical Methods; Motion Pictures and Video Industry
Elberse, Anita, and Bharat N. Anand. "The Effectiveness of Pre-Release Advertising for Motion Pictures: An Empirical Investigation Using a Simulated Market." Information Economics and Policy 19, nos. 3-4 (October 2007): 319–343. (Special Issue on Economics of the Media.)
- 2015
- Working Paper
Political Identity and Trust
By: Pablo Hernandez and Dylan Minor
We explore how political identity affects trust. Using an incentivized experimental survey conducted on a representative sample of the U.S. population, we vary information about partners' partisan identity to elicit trust behavior, beliefs about trustworthiness, and... View Details
Keywords: Trust
Hernandez, Pablo, and Dylan Minor. "Political Identity and Trust." Harvard Business School Working Paper, No. 16-012, July 2015.
- 2010
- Working Paper
From Bench to Board: Gender Differences in University Scientists' Participation in Commercial Science
This paper examines gender differences in the participation of university life science faculty in commercial science. Based on theory and field interviews, we develop hypotheses regarding how scientists' productivity, co-authorship networks, and institutional... View Details
Keywords: Business Startups; For-Profit Firms; Gender Characteristics; Higher Education; Entrepreneurship; Governing and Advisory Boards; Science-Based Business; Nonprofit Organizations; Biotechnology Industry
Ding, Waverly W., Fiona Murray, and Toby E. Stuart. "From Bench to Board: Gender Differences in University Scientists' Participation in Commercial Science." Harvard Business School Working Paper, No. 11-014, August 2010.
- 2008
- Other Unpublished Work
Are Private Equity Firms Better Managed?
By: Nicholas Bloom, Raffaella Sadun and John Van Reenen
We use an innovative survey tool to collect management practice data from over 4,000 medium sized manufacturing firms across Asia, Europe and the US. These measures of managerial practice are strongly associated with firm-level performance (e.g. productivity,... View Details
Keywords: Private Equity; Management Practices and Processes; Production; Performance Improvement; Manufacturing Industry; Asia; Europe; United States
Bloom, Nicholas, Raffaella Sadun, and John Van Reenen. "Are Private Equity Firms Better Managed?" December 2008. (Slides.)
- October 1988 (Revised March 1989)
- Case
Florida Power Light Quality Improvement (QI) Story Exercise (A)
Florida Power and Light (FPL) has developed a widely acclaimed quality improvement program (QIP). This exercise leads the students through the process that a division of FPL utilized in an attempt to "improve service." Specifically, the process requires students to... View Details
Keywords: Quality; Service Delivery; Performance Improvement; Business Processes; Utilities Industry; Florida
Hart, Christopher. "Florida Power Light Quality Improvement (QI) Story Exercise (A)." Harvard Business School Case 689-041, October 1988. (Revised March 1989.)
- 20 Jun 2023
- Research & Ideas
Looking to Leave a Mark? Memorable Leaders Don't Just Spout Statistics, They Tell Stories
Harvard Business School. People are more likely to recall information over a longer period when it’s wrapped in an anecdote as opposed to statistics, according to the study, “Stories, Statistics and Memory.” Graeber’s research validates... View Details
Keywords: by Scott Van Voorhis
- 31 Jan 2013
- Working Paper Summaries
Boardroom Centrality and Firm Performance
- 2018
- Working Paper
Averaging Probability Forecasts: Back to the Future
By: Robert L. Winkler, Yael Grushka-Cockayne, Kenneth C. Lichtendahl Jr. and Victor Richmond R. Jose
The use and aggregation of probability forecasts in practice is on the rise. In this position piece, we explore some recent, and not so recent, developments concerning the use of probability forecasts in decision-making. Despite these advances, challenges still exist.... View Details
Keywords: Probability Forecast; Forecast Combination; Forecast Evaluation; Decision Analysis; Forecasting and Prediction; Decision Making; Analysis
Winkler, Robert L., Yael Grushka-Cockayne, Kenneth C. Lichtendahl Jr., and Victor Richmond R. Jose. "Averaging Probability Forecasts: Back to the Future." Harvard Business School Working Paper, No. 19-039, October 2018.
- September 2017
- Article
The Real Effects of Capital Controls: Firm-Level Evidence from a Policy Experiment
By: Laura Alfaro, Anusha Chari and Fabio Kanczuk
Emerging-market governments adopted capital control taxes to manage the massive surge in foreign capital inflows in the aftermath of the global financial crisis. Theory suggests that the imposition of capital controls can drive up the cost of capital and curb... View Details
Keywords: Capital Controls; Discriminatory Taxation; International Investment Barriers; Exports; Debt; Cost of Capital; Taxation; Investment; Borrowing and Debt; Equity; Brazil
Alfaro, Laura, Anusha Chari, and Fabio Kanczuk. "The Real Effects of Capital Controls: Firm-Level Evidence from a Policy Experiment." Journal of International Economics 108 (September 2017): 191–210. (Also see NBER Working Paper 20726.
See comment in Brookings Series: The Hutchins Roundup.
See also, feature in NBER Digest March 2015 issue. )
- 2015
- Article
Testing Strategy with Multiple Performance Measures: Evidence from a Balanced Scorecard at Store24
We analyze balanced scorecard data from a convenience store chain, Store24, during the implementation of an innovative, but ultimately unsuccessful, strategy. Quarterly strategic reviews, based in part on the firm's balanced scorecard, led executives at Store24 to... View Details
Campbell, Dennis, Srikant M. Datar, Susan L. Kulp, and V.G. Narayanan. "Testing Strategy with Multiple Performance Measures: Evidence from a Balanced Scorecard at Store24." Journal of Management Accounting Research 27, no. 2 (2015): 39–65.
- spring 2006
- Article
All's Fair in Love, War & Bankruptcy?: Corporate Governance Implications of CEO Turnover in Financial Distress
Prior discussions of management turnover during financial distress have examined bankrupt and non-bankrupt firms as distinct groupings with little overlap. Separately investigating rates of turnover in-bankruptcy and out-of-bankruptcy, without a direct comparison... View Details
Bernstein, Ethan S. "All's Fair in Love, War & Bankruptcy?: Corporate Governance Implications of CEO Turnover in Financial Distress." Stanford Journal of Law, Business & Finance 11, no. 2 (spring 2006): 228–325.
- 2017
- Working Paper
Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity
By: Edward L. Glaeser, Hyunjin Kim and Michael Luca
Can new data sources from online platforms help to measure local economic activity? Government datasets from agencies such as the U.S. Census Bureau provide the standard measures of economic activity at the local level. However, these statistics typically appear only... View Details
Glaeser, Edward L., Hyunjin Kim, and Michael Luca. "Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity." Harvard Business School Working Paper, No. 18-022, September 2017. (Revised October 2017.)
- 11 Sep 2017
- Research & Ideas
Why Employers Favor Men
gender divide, so they used online experiments to probe two types of gender discrimination: Statistical discrimination, which is rooted in beliefs about average gender differences in abilities or skills. Taste-based discrimination, which... View Details
Keywords: by Dina Gerdeman
- 08 Sep 2010
- First Look
First Look: September 8, 2010
Lipsey, Lee G. Branstetter, C. Fritz Foley, James Harrigan, J. Bradford Jensen, Lori Kletzer, Catherine Mann, Peter K. Schott, and Greg C. Wright Abstract This report, prepared for the Committee on Economic Statistics of the American... View Details
Keywords: Sean Silverthorne
- 2015
- Chapter
Optimal Process Control of Symbolic Transfer Functions
By: Christopher Griffin and Elisabeth Paulson
Transfer function modeling is a standard technique in classical Linear Time Invariant and Statistical Process Control. The work of Box and Jenkins was seminal in developing methods for identifying parameters associated with classical (r, s, k) transfer functions.... View Details
Keywords: Transfer Functions; Markov Processes; Stochastic Models; Process Control; Research; Information Technology
Griffin, Christopher, and Elisabeth Paulson. "Optimal Process Control of Symbolic Transfer Functions." In Proceedings of the 10th International Workshop on Feedback Computing. IEEE, 2015.
- December 2011 (Revised February 2019)
- Case
The Indian Removal Act and the 'Trail of Tears'
By: Tom Nicholas, Ari Medoff, Raven Smith and Sam Subramanian
Native Americans were subjected to a protracted and painful process of forced removal from their land. The case provides "first hand" evidence on the debate over Indian removal as it took place during the early nineteenth century. The first document is excerpted from... View Details
Nicholas, Tom, Ari Medoff, Raven Smith, and Sam Subramanian. "The Indian Removal Act and the 'Trail of Tears'." Harvard Business School Case 812-079, December 2011. (Revised February 2019.)
- September 2022
- Article
Tone at the Bottom: Measuring Corporate Misconduct Risk from the Text of Employee Reviews
By: Dennis W. Campbell and Ruidi Shang
This paper examines whether information extracted via text-based statistical methods applied to employee reviews left on the website Glassdoor.com can be used to develop indicators of corporate misconduct risk. We argue that inside information on the incidence of... View Details
Keywords: Management Accounting; Management Control; Corporate Culture; Corporate Misconduct; Risk Measurement; Organizational Culture; Crime and Corruption; Risk and Uncertainty; Measurement and Metrics
Campbell, Dennis W., and Ruidi Shang. "Tone at the Bottom: Measuring Corporate Misconduct Risk from the Text of Employee Reviews." Management Science 68, no. 9 (September 2022): 7034–7053.
- 2007
- Article
Pharmacovigilance and the Missing Denominator: The Changing Context of Pharmaceutical Risk Mitigation
By: Arthur A. Daemmrich
In the wake of Vioxx, Avandia, and other recent prominent cases of drugs found to cause side effects after marketing, the safety of pharmaceuticals has come to the forefront of American public policy. Press attention, congressional investigations, and legislative... View Details
Keywords: Brands and Branding; Policy; Risk Management; Government Legislation; Risk and Uncertainty; Goals and Objectives; Customers; Pharmaceutical Industry; Health Industry; United States
Daemmrich, Arthur A. "Pharmacovigilance and the Missing Denominator: The Changing Context of Pharmaceutical Risk Mitigation." Pharmacy in History 49, no. 2 (2007): 61–75.