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Show Results For
- All HBS Web
(2,113)
- People (1)
- News (437)
- Research (1,508)
- Events (49)
- Multimedia (13)
- Faculty Publications (933)
- 2011
- Working Paper
Matthew: Effect or Fable?
In a market context, a status effect occurs when actors are accorded differential recognition for their efforts depending on their location in a status ordering, holding constant the quality of these efforts. In practice, because it is very difficult to measure... View Details
Azoulay, Pierre, Toby E. Stuart, and Yanbo Wang. "Matthew: Effect or Fable?" Harvard Business School Working Paper, No. 12-049, December 2011.
Incentives for Bad Science
Randomized controlled trials (RCTs) inform medical practice, health care delivery, follow-on research, regulation, and health policy. Yet, many RCTs are inadequately randomized, blinded, and reported. To analyze scientists' and firms' incentives to meet clinical trial... View Details
- November 2024
- Article
Price Discounts and Cheapflation During the Post-Pandemic Inflation Surge
By: Alberto Cavallo and Oleksiy Kryvtsov
We study how within-store price variation changes with inflation, and whether households exploit it to attenuate the inflation burden. We use micro price data for food products sold by 91 large multi-channel retailers in ten countries between 2018 and 2024. Measuring... View Details
Keywords: Macroeconomics; Inflation and Deflation; Price; Consumer Behavior; Personal Finance; Product Positioning
Cavallo, Alberto, and Oleksiy Kryvtsov. "Price Discounts and Cheapflation During the Post-Pandemic Inflation Surge." Journal of Monetary Economics 148 (November 2024).
- 2024
- Working Paper
The Effects of Medical Debt Relief: Evidence from Two Randomized Experiments
By: Raymond Kluender, Neale Mahoney, Francis Wong and Wesley Yin
Two in five Americans have medical debt, nearly half of whom owe at least $2,500. Concerned by this burden, governments and private donors have undertaken large, high-profile efforts to relieve medical debt. We partnered with RIP Medical Debt to conduct two randomized... View Details
Kluender, Raymond, Neale Mahoney, Francis Wong, and Wesley Yin. "The Effects of Medical Debt Relief: Evidence from Two Randomized Experiments." NBER Working Paper Series, No. 32315, April 2024.
- 2021
- Working Paper
COVID-19, Government Performance, and Democracy: Survey Experimental Evidence from 12 Countries
By: Michael Becher, Nicholas Longuet Marx, Vincent Pons, Sylvain Brouard, Martial Foucault, Vincenzo Galasso, Eric Kerrouche, Sandra León Alfonso and Daniel Stegmueller
Beyond its immediate impact on public health and the economy, the COVID-19 pandemic has put democracy under stress. While a common view is that people should blame the government rather than the political system for bad crisis management, an opposing view is that... View Details
Keywords: COVID-19 Pandemic; Government Performance; Democracy; Health Pandemics; Government and Politics; Crisis Management; Public Opinion
Becher, Michael, Nicholas Longuet Marx, Vincent Pons, Sylvain Brouard, Martial Foucault, Vincenzo Galasso, Eric Kerrouche, Sandra León Alfonso, and Daniel Stegmueller. "COVID-19, Government Performance, and Democracy: Survey Experimental Evidence from 12 Countries." NBER Working Paper Series, No. 29514, November 2021. (Revise and resubmit requested, The Journal of Politics.)
- September 2009
- Article
Deterring Online Advertising Fraud Through Optimal Payment in Arrears
By: Benjamin Edelman
Online advertisers face substantial difficulty in selecting and supervising small advertising partners. Fraud can be well hidden, and limited reputation systems reduce accountability. But partners are not paid until after their work is complete, and advertisers can... View Details
Keywords: Cost Management; Misleading and Fraudulent Advertising; Profit; Online Advertising; Advertising Industry
Edelman, Benjamin. "Deterring Online Advertising Fraud Through Optimal Payment in Arrears." Financial Cryptography and Data Security: Proceedings of the International Conference (September 2009). (Springer-Verlag Lecture Notes in Computer Science.) (Featured in Working Knowledge: Reducing Risk with Online Advertising.)
- Research Summary
Political Economy and Effects of Gun Policy
In two projects with Mike Luca and Deepak Malhotra, I examine the causes and consequences of gun policy.
The Impact of Mass Shootings on Gun Policy
There have been dozens of high-profile mass shootings in... View Details
- 13 Sep 2013
- HBS Seminar
Nirupama Rao, NYC Wagner School of Public Service
- 13 Sep 2013
- HBS Seminar
Nirupama Rao, NYU Wagner School of Public Service
- 2025
- Working Paper
Is Love Blind? AI-Powered Trading with Emotional Dividends
By: De-Rong Kong and Daniel Rabetti
We leverage the non-fungible tokens (NFTs) setting to assess the valuation of emotional dividends (LOVE), a long-standing empirical challenge in private-value markets such as art, antiques, and collectibles. Having created and validated our proxy, we use deep learning... View Details
Kong, De-Rong, and Daniel Rabetti. "Is Love Blind? AI-Powered Trading with Emotional Dividends." Working Paper, February 2025.
- 2020
- Working Paper
Designing, Not Checking, for Policy Robustness: An Example with Optimal Taxation
By: Benjami Lockwood, Afras Y. Sial and Matthew C. Weinzierl
Economists typically check the robustness of their results by comparing them across plausible ranges of parameter values and model structures. A preferable approach to robustness—for the purposes of policymaking and evaluation—is to design policy that takes these... View Details
Lockwood, Benjami, Afras Y. Sial, and Matthew C. Weinzierl. "Designing, Not Checking, for Policy Robustness: An Example with Optimal Taxation." NBER Working Paper Series, No. 28098, November 2020.
- Article
Inaccurate Group Meta-Perceptions Drive Negative Out-Group Attributions in Competitive Contexts
By: J. Lees and M. Cikara
Across seven experiments and one survey (n = 4,282), people consistently overestimated out-group negativity towards the collective behaviour of their in-group. This negativity bias in group meta-perception was present across multiple competitive (but not cooperative)... View Details
Lees, J., and M. Cikara. "Inaccurate Group Meta-Perceptions Drive Negative Out-Group Attributions in Competitive Contexts." Nature Human Behaviour 4, no. 3 (March 2020): 279–286.
- June 2020
- Article
U.S. Monetary Policy and Emerging Market Credit Cycles
By: Falk Bräuning and Victoria Ivashina
Foreign banks’ lending to firms in emerging market economies (EMEs) is large and denominated predominantly in U.S. dollars. This creates a direct connection between U.S. monetary policy and EME credit cycles. We estimate that over a typical U.S. monetary easing cycle,... View Details
Keywords: Global Business Cycle; Monetary Policy; Reaching For Yield; Money; Policy; Credit; Emerging Markets
Bräuning, Falk, and Victoria Ivashina. "U.S. Monetary Policy and Emerging Market Credit Cycles." Journal of Monetary Economics 112 (June 2020): 57–76.
- March 2019
- Article
Evidence of Upcoding in Pay-for-Performance Programs
By: Hamsa Bastani, Joel Goh and Mohsen Bayati
Recent Medicare legislation seeks to improve patient care quality by financially penalizing providers for hospital-acquired infections (HAIs). However, Medicare cannot directly monitor HAI rates and instead relies on providers accurately self-reporting HAIs in claims... View Details
Keywords: Medical Coding; Health Policy; Healthcare-acquired Conditions; Medicare; Health Care and Treatment; Policy; Performance Improvement; Quality; Measurement and Metrics; Government Legislation
Bastani, Hamsa, Joel Goh, and Mohsen Bayati. "Evidence of Upcoding in Pay-for-Performance Programs." Management Science 65, no. 3 (March 2019): 1042–1060. (2015 INFORMS Health Applications Society best student (H. Bastani) paper award.)
- November 2016
- Case
QuintilesIMS: Biosimilar Marketing in England
By: John A. Quelch and Emily C. Boudreau
QuintilesIMS was a leading healthcare consulting firm best known for its data and information offerings as well as its market research and management consulting services for life science companies. By 2015, the company was expanding beyond the biopharmaceutical... View Details
Keywords: Health; Pharmaceutical Industry; Biotech; Marketing; Health Care and Treatment; Biotechnology Industry; England
Quelch, John A., and Emily C. Boudreau. "QuintilesIMS: Biosimilar Marketing in England." Harvard Business School Case 517-054, November 2016.
- 2010
- Working Paper
Accounting Scholarship that Advances Professional Knowledge and Practice
By: Robert S. Kaplan
Recent accounting scholarship has used statistical analysis on asset prices, financial reports and disclosures, laboratory experiments, and surveys of practice. The research has studied the interface among accounting information, capital markets, standard setters, and... View Details
Keywords: Accounting; Business Education; Information; Management Analysis, Tools, and Techniques; Risk Management; Measurement and Metrics; Business Processes; Performance Improvement; Practice
Kaplan, Robert S. "Accounting Scholarship that Advances Professional Knowledge and Practice." Harvard Business School Working Paper, No. 11-043, October 2010.
- September 2010
- Article
Do Inventory and Gross Margin Data Improve Sales Forecasts for U.S. Public Retailers?
By: Saravanan Kesavan, Vishal Gaur and Ananth Raman
Firm-level sales forecasts for retailers can be improved if we incorporate cost of goods sold, inventory, and gross margin (defined here as the ratio of sales to cost of goods sold) as three endogenous variables. We construct a simultaneous equations model, estimated... View Details
Keywords: Sales; Forecasting and Prediction; Distribution; Goods and Commodities; Cost; Public Sector; Profit; Mathematical Methods; Analytics and Data Science; Retail Industry; United States
Kesavan, Saravanan, Vishal Gaur, and Ananth Raman. "Do Inventory and Gross Margin Data Improve Sales Forecasts for U.S. Public Retailers?" Management Science 56, no. 9 (September 2010): 1519–1533.
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
- 08 Nov 2011
- First Look
First Look: Nov. 8
PublicationsHow Much Is a Reduction of Your Customers' Wait Worth? An Empirical Study of the Fast-Food Drive-Thru Industry Based on Structural Estimation Methods Authors:Gad Allon, Awi Federgruen, and Margaret P. Pierson... View Details
Keywords: Sean Silverthorne
- 26 Apr 2024
- HBS Case
Deion Sanders' Prime Lessons for Leading a Team to Victory
the city of Jackson was estimated at more than $30 million, Gibson says. In December 2022, Sanders moved to the University of Colorado Boulder (CU) to lead its struggling football program, which had achieved only one winning season in 15... View Details