Filter Results:
(1,592)
Show Results For
- All HBS Web
(1,592)
- People (6)
- News (267)
- Research (1,142)
- Events (13)
- Multimedia (2)
- Faculty Publications (529)
Show Results For
- All HBS Web
(1,592)
- People (6)
- News (267)
- Research (1,142)
- Events (13)
- Multimedia (2)
- Faculty Publications (529)
- 2021
- Working Paper
How Much Should We Trust Staggered Difference-In-Differences Estimates?
By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang
Difference-in-differences analysis with staggered treatment timing is frequently used to assess the impact of policy changes on corporate outcomes in academic research. However, recent advances in econometric theory show that such designs are likely to be biased in the... 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?" European Corporate Governance Institute Finance Working Paper, No. 736/2021, February 2021. (Harvard Business School Working Paper, No. 21-112, April 2021.)
- January 2007
- Article
A Randomized Clinical Trial of EMDR, Fluoxetine and Pill Placebo in the Treatment of PTSD: Treatment Effects and Long-term Maintenance
By: Bessel A. van der Kolk, Joseph Spinazzola, Margaret E. Blaustein, James Hopper, Elizabeth Hopper, Deborah Korn and William B. Simpson
van der Kolk, Bessel A., Joseph Spinazzola, Margaret E. Blaustein, James Hopper, Elizabeth Hopper, Deborah Korn, and William B. Simpson. "A Randomized Clinical Trial of EMDR, Fluoxetine and Pill Placebo in the Treatment of PTSD: Treatment Effects and Long-term Maintenance." Journal of Clinical Psychiatry 68, no. 1 (January 2007).
- October 2017
- Article
Elevating Repositioning Costs: Strategy Dynamics and Competitive Interactions
By: Anoop R. Menon and Dennis Yao
This paper proposes an approach for modeling competitive interactions that incorporates the costs to firms of changing strategy. The costs associated with strategy modifications, which we term “repositioning costs,” are particularly relevant to competitive interactions... View Details
Keywords: ＂Repositioning Costs; Strategy Dynamics; Strategic Interaction; Capabilities; Cost; Strategy; Change; Game Theory; Organizational Change and Adaptation
Menon, Anoop R., and Dennis Yao. "Elevating Repositioning Costs: Strategy Dynamics and Competitive Interactions." Strategic Management Journal 38, no. 10 (October 2017): 1953–1963.
- 2021
- Article
The Virtues and Limitations of Dynamic Capabilities
By: Bharat Anand and David J. Collis
Dynamic capabilities have been identified as a key determinant of competitive advantage. This paper explores the foundations of dynamic capabilities, and the limits to their effectiveness, first theoretically and then through the case of Danaher, the most successful... View Details
Keywords: Dynamic Capabilities; Danaher; Resources; Theory Of The Firm; Value-based Strategy; Organizations; Performance Effectiveness; Competitive Advantage; Strategy
Anand, Bharat, and David J. Collis. "The Virtues and Limitations of Dynamic Capabilities." Strategic Management Review 2, no. 1 (2021): 47–78.
- March 2021
- Article
The Crowd Emotion Amplification Effect
By: Amit Goldenberg, Erika Weisz, Timothy D. Sweeney, Mina Cikara and James Gross
How do people go about reading a room or taking the temperature of a crowd? When people catch a brief glimpse of an array of faces, they can only focus their attention on some of the faces. We propose that perceivers preferentially attend to faces exhibiting strong... View Details
Goldenberg, Amit, Erika Weisz, Timothy D. Sweeney, Mina Cikara, and James Gross. "The Crowd Emotion Amplification Effect." Psychological Science 32, no. 3 (March 2021): 437–450.
- 2025
- Working Paper
Dynamic Personalization with Multiple Customer Signals: Multi-Response State Representation in Reinforcement Learning
Reinforcement learning (RL) offers potential for optimizing sequences of customer interactions by modeling the relationships
between customer states, company actions, and long-term value. However, its practical implementation often faces significant
challenges.... View Details
Keywords: Dynamic Policy; Deep Reinforcement Learning; Representation Learning; Dynamic Difficulty Adjustment; Latent Variable Models; Customer Relationship Management; Customer Value and Value Chain; Foreign Direct Investment; Analytics and Data Science
Ma, Liangzong, Ta-Wei Huang, Eva Ascarza, and Ayelet Israeli. "Dynamic Personalization with Multiple Customer Signals: Multi-Response State Representation in Reinforcement Learning." Harvard Business School Working Paper, No. 25-037, February 2025.
- December 1983
- Article
Dynamic Factor Demands and the Effects of Energy Price Shocks
By: J. J. Rotemberg and Robert Pindyck
Rotemberg, J. J., and Robert Pindyck. "Dynamic Factor Demands and the Effects of Energy Price Shocks." American Economic Review 73, no. 5 (December 1983): 1066–1079.
- 13 Aug 2015
- Working Paper Summaries
Selling to a Moving Target: Dynamic Marketing Effects in U.S. Presidential Elections
Keywords: by Doug J. Chung & Lingling Zhang
- October, 2022
- Article
The Economic Dynamics of Competing Power Generation Sources
By: Gunther Glenk and Stefan Reichelstein
Competing power generation sources have experienced considerable shifts in both their revenue potential and their costs in recent years. Here we introduce the concept of Levelized Profit Margins (LPM) to capture the changing unit economics of both intermittent and... View Details
Keywords: Renewable Energy; Intermittant; Cost Accounting; Profitability Analysis; Learning-by-doing; Cannibalization Effect; Energy; Environmental Management; Investment; Operations; Technological Innovation; Energy Industry; Utilities Industry; Industrial Products Industry; Manufacturing Industry; Europe; North America; South America; Africa; Asia
Glenk, Gunther, and Stefan Reichelstein. "The Economic Dynamics of Competing Power Generation Sources." Art. 112758. Renewable and Sustainable Energy Reviews 168 (October, 2022).
- 2020
- Working Paper
The Dynamic Effects of Computerized VAT Invoices on Chinese Manufacturing Firms
By: Jaya Y. Wen, Haichao Fan, Yu Liu and Nancy Qian
- 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.)
- 05 Mar 2012
- News
It's Manufacturing's Turn for Special Treatment
- April–June 2022
- Other Article
Commentary on 'Causal Decision Making and Causal Effect Estimation Are Not the Same... and Why It Matters'
There has been a substantial discussion in various methodological and applied literatures around causal inference; especially in the use of machine learning and statistical models to understand heterogeneity in treatment effects and to make optimal decision... View Details
Keywords: Causal Inference; Treatment Effect Estimation; Treatment Assignment Policy; Human-in-the-loop; Decision Making; Fairness
McFowland III, Edward. "Commentary on 'Causal Decision Making and Causal Effect Estimation Are Not the Same... and Why It Matters'." INFORMS Journal on Data Science 1, no. 1 (April–June 2022): 21–22.
- 30 Jun 2019
- Working Paper Summaries
The Comprehensive Effects of Sales Force Management: A Dynamic Structural Analysis of Selection, Compensation, and Training
- 2024
- Working Paper
Antibiotic Treatments for Ulcers--Eradicating H-Pylori Infections: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant M. Datar and Katherine Stebbins
This case history describes how a chance discovery of bacteria that infect stomach linings completely changed how physicians treat ulcers. Specifically, we chronicle how: 1) two Australian physicians brought the bacterial infection to the world’s attention and... View Details
Keywords: Health Care and Treatment; Technological Innovation; Innovation Strategy; Technology Adoption; Collaborative Innovation and Invention; Innovation and Invention; Governing Rules, Regulations, and Reforms
Bhidé, Amar, Srikant M. Datar, and Katherine Stebbins. "Antibiotic Treatments for Ulcers--Eradicating H-Pylori Infections: Case Histories of Transformational Advances." Harvard Business School Working Paper, No. 20-006, July 2019. (Revised May 2024.)
- Article
How Market Power Affects Dynamic Pricing: Evidence from Inventory Fluctuations at Car Dealerships
By: Ayelet Israeli, Fiona Scott-Morton, Jorge Silva-Risso and Florian Zettelmeyer
This paper investigates empirically the effect of market power on dynamic pricing in the presence of inventories. Our setting is the auto retail industry; we analyze how automotive dealerships adjust prices to inventory levels under varying degrees of market power. We... View Details
Keywords: Dynamic Pricing; Market Power; Pricing; Price Discrimination; Inventory Production; Marketing; Price; Competitive Strategy; Auto Industry; Retail Industry
Israeli, Ayelet, Fiona Scott-Morton, Jorge Silva-Risso, and Florian Zettelmeyer. "How Market Power Affects Dynamic Pricing: Evidence from Inventory Fluctuations at Car Dealerships." Management Science 68, no. 2 (February 2022): 895–916.
- 2016
- Chapter
Changing Behavior Beyond the Here and Now
By: Todd Rogers and Erin Frey
Rogers, Todd, and Erin Frey. "Changing Behavior Beyond the Here and Now." In The Wiley Blackwell Handbook of Judgment and Decision Making, edited by Gideon Keren and George Wu, 725–748. Wiley-Blackwell, 2016.
- 2021
- Working Paper
Population Interference in Panel Experiments
By: Iavor I Bojinov, Kevin Wu Han and Guillaume Basse
The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit's outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in... View Details
Bojinov, Iavor I., Kevin Wu Han, and Guillaume Basse. "Population Interference in Panel Experiments." Harvard Business School Working Paper, No. 21-100, March 2021.
- 2013
- Working Paper
Asset Price Dynamics with Limited Attention
By: Mark Seasholes, Terrence Hendershott, Sunny X. Li and Albert J. Menkveld
This paper studies the role that limited attention and inefficient risk sharing play in stock price deviations from the efficient prices at horizons from one day to one month. We expand the Due (2010) slow-moving capital model to analyze multiple groups of investors... View Details
Keywords: Transitory Volatility; Limited Attention; Individuals; Market Makers; Asset Pricing; Financial Markets; Volatility
Seasholes, Mark, Terrence Hendershott, Sunny X. Li, and Albert J. Menkveld. "Asset Price Dynamics with Limited Attention." Working Paper, November 2013. (2nd round at the Journal of Finance.)