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Show Results For
- All HBS Web
(1,558)
- People (2)
- News (230)
- Research (1,212)
- Events (29)
- Multimedia (1)
- Faculty Publications (584)
- 2023
- Article
Estimating Causal Peer Influence in Homophilous Social Networks by Inferring Latent Locations.
By: Edward McFowland III and Cosma Rohilla Shalizi
Social influence cannot be identified from purely observational data on social networks, because such influence is generically confounded with latent homophily, that is, with a node’s network partners being informative about the node’s attributes and therefore its... View Details
Keywords: Causal Inference; Homophily; Social Networks; Peer Influence; Social and Collaborative Networks; Power and Influence; Mathematical Methods
McFowland III, Edward, and Cosma Rohilla Shalizi. "Estimating Causal Peer Influence in Homophilous Social Networks by Inferring Latent Locations." Journal of the American Statistical Association 118, no. 541 (2023): 707–718.
Estimating Causal Peer Influence in Homophilous Social Networks by Inferring Latent Locations
Social influence cannot be identified from purely observational data on social networks, because such influence is generically confounded with latent homophily, that is, with a node’s network partners being informative about the node’s attributes and therefore... View Details
- November 2011
- Article
Ownership Structure and Financial Constraints: Evidence from a Structural Estimation
By: Chen Lin, Yue Ma and Yuhai Xuan
This article examines the impact of the divergence between corporate insiders' control rights and cash-flow rights on firms' external finance constraints via generalized method of moments estimation of an investment Euler equation. Using a large sample of U.S.... View Details
Keywords: Ownership; Social Enterprise; Reputation; Cash Flow; Annuities; Investment; Investment Funds; Financial Reporting; Accounting Audits; Financial Services Industry; United States
Lin, Chen, Yue Ma, and Yuhai Xuan. "Ownership Structure and Financial Constraints: Evidence from a Structural Estimation." Journal of Financial Economics 102, no. 2 (November 2011): 416–431.
- 07 Oct 2014
- News
Network Effect
after, because more genes with which to work would mean more avenues to explore in new drug development, exponentially increasing the chances of finding effective treatment and prevention. In 2004, the three... View Details
Keywords: Linda Kush
- 2007
- Working Paper
Taxes and Portfolio Choice: Evidence from JGTRRA's Treatment of International Dividends
By: Mihir A. Desai and Dhammika Dharmapala
This paper investigates how taxes influence portfolio choices by exploring the response to the distinctive treatment of foreign dividends in the Jobs and Growth Tax Relief Reconciliation Act (JGTRRA). JGTRRA lowered the dividend tax rate to 15% for American equities... View Details
- December 2009
- Article
Estimation and Empirical Properties of a Firm-Year Measure of Accounting Conservatism
By: Mozaffar N. Khan and Ross L. Watts
We estimate a firm-year measure of accounting conservatism, examine its empirical properties as a metric, and illustrate applications by testing new hypotheses that shed further light on the nature and effects of conservatism. The results are consistent with the... View Details
Khan, Mozaffar N., and Ross L. Watts. "Estimation and Empirical Properties of a Firm-Year Measure of Accounting Conservatism." Journal of Accounting & Economics 48, nos. 2-3 (December 2009): 132–150.
- 2010
- Article
Estimating the Attributable Cost of Physician Burnout in the United States
By: Shasha Han, Tait D. Shanafelt, Christine A. Sinsky, Karim M. Awad, Liselotte N. Dyrbye, Lynne C. Fiscus, Mickey Trockel and Joel Goh
Background: Although physician burnout is associated with negative clinical and organizational outcomes, its economic costs are poorly understood. As a result, leaders in health care cannot properly assess the financial benefits of initiatives to remediate... View Details
Keywords: Physicians; Burnout; Health; Health Care and Treatment; Employees; Cost; Programs; Policy; Health Industry
Han, Shasha, Tait D. Shanafelt, Christine A. Sinsky, Karim M. Awad, Liselotte N. Dyrbye, Lynne C. Fiscus, Mickey Trockel, and Joel Goh. "Estimating the Attributable Cost of Physician Burnout in the United States." Annals of Internal Medicine 170, no. 11 (June 4, 2019): 784–790.
- 15 Aug 2016
- News
The Scandal Effect
- 13 Jul 2023
- News
The Network Effect
Karan Mathur (left) and Dina Model (Illustration by Gisela Goppel) Karan Mathur (left) and Dina Model (Illustration by Gisela Goppel) When Dina Model and Karan Mathur (both MBA 2015) met through mutual friends during their first year at HBS, neither was envisioning a... View Details
- September 2017
- Article
Time-Driven Activity-Based Costing to Estimate Cost of Care at Multidisciplinary Aerodigestive Centers
By: Robert S. Kaplan, Jordan A. Garcia, Bipin Mistry, Stephen Hardy, Mary Shannon Fracchia, Cheryl Hersh, Carissa Wentland, Joseph Vadakekalam and Christopher J. Hartnick
Time-driven activity-based costing was used to estimate the cost of care for patients with laryngeal cleft seen between 2008 and 2013 at the Massachusetts Eye and Ear Infirmary Pediatric Aerodigestive Center. Retrospective chart review was performed to identify clinic... View Details
Keywords: Time-Driven Activity-Based Costing; Activity Based Costing and Management; Health Care and Treatment
Kaplan, Robert S., Jordan A. Garcia, Bipin Mistry, Stephen Hardy, Mary Shannon Fracchia, Cheryl Hersh, Carissa Wentland, Joseph Vadakekalam, and Christopher J. Hartnick. "Time-Driven Activity-Based Costing to Estimate Cost of Care at Multidisciplinary Aerodigestive Centers." The Laryngoscope 127, no. 9 (September 2017).
- 2020
- Working Paper
Spreading the Health: Americans' Estimated and Ideal Distributions of Death and Health(care)
By: Sorapop Kiatpongsan and Michael I. Norton
The 2010 Patient Protection and Affordable Care Act intensified debates over the role of government in the distribution of healthcare. A nationally-representative sample of Americans reported their estimated and ideal distributions of healthcare (unmet need for... View Details
Keywords: Healthcare; Mortality; Inequality; Justice; Equity; Health; Health Care and Treatment; Equality and Inequality; Fairness; Public Opinion; United States
Kiatpongsan, Sorapop, and Michael I. Norton. "Spreading the Health: Americans' Estimated and Ideal Distributions of Death and Health(care)." Harvard Business School Working Paper, No. 20-114, April 2020.
- 2023
- Working Paper
Estimating Productivity in the Presence of Spillovers: Firm-Level Evidence from the U.S. Production Network
By: Ebehi Iyoha
This paper examines the extent to which productivity gains are transmitted across U.S. firms through buyer-supplier relationships. Many empirical studies measure firm-to-firm spillovers using firm-level productivity estimates derived from control function approaches.... View Details
Iyoha, Ebehi. "Estimating Productivity in the Presence of Spillovers: Firm-Level Evidence from the U.S. Production Network." Harvard Business School Working Paper, No. 24-033, December 2023. (Winner of the Young Economists' Essay Award at the 2021 Annual Conference of the European Association for Research in Industrial Economics (EARIE))
- 2019
- Working Paper
Does Apple Anchor a Shopping Mall? The Effect of the Technology Stores on the Formation of Market Structure
By: Doug J. Chung, Kyoungwon Seo and Reo Song
This study examines the effect of technology stores—company-owned Apple and Microsoft retail stores—on mall configuration. We formulate a structural model that considers the endogenous location decisions of retail stores, taking into account both market characteristics... View Details
Keywords: Apple Store; New Anchor Store; Discrete Game; Complete Information; Multiple Equilibria; GPGPU Technology; Simulator; Bayesian Estimation; Shopping Mall; Spillover
Chung, Doug J., Kyoungwon Seo, and Reo Song. "Does Apple Anchor a Shopping Mall? The Effect of the Technology Stores on the Formation of Market Structure." Harvard Business School Working Paper, No. 20-066, December 2019.
- Research Summary
The Effect of the Internet on Wages
Who benefits from the adoption of technology in the workplace? To explore, I combine worker-level wage data with information on broadband adoption by Brazilian firms to estimate the effects of broadband on wages. Overall, wages increase 2.3 percent following... View Details
- 24 Jan 2025
- News
The Network Effect
Karan Mathur (left) and Dina Model (Illustration by Gisela Goppel) When Dina Model and Karan Mathur (both MBA 2015) met through mutual friends during their first year at HBS, neither was envisioning a future business deal. “We didn’t realize that we had shared... View Details
- 17 Jan 2012
- Working Paper Summaries
Expectations, Network Effects and Platform Pricing
- August 2024
- Article
The Labor Market Effects of Loan Guarantee Programs
By: Jean-Noël Barrot, Thorsten Martin, Julien Sauvagnat and Boris Vallée
We investigate the labor market effects of a loan guarantee program targeting French SMEs during the financial crisis. Exploiting differences in regional treatment intensity in a border discontinuity design, we uncover a central trade-off for such interventions. While... View Details
Barrot, Jean-Noël, Thorsten Martin, Julien Sauvagnat, and Boris Vallée. "The Labor Market Effects of Loan Guarantee Programs." Review of Financial Studies 37, no. 8 (August 2024): 2315–2354.
- May 2009
- Article
Asymmetric Information Effects on Loan Spreads
The paper estimates the cost arising from information asymmetry between the lead bank and members of the lending syndicate. In a lending syndicate, the lead bank retains only a fraction of the loan but acts as the intermediary between the borrower and the syndicate... View Details
Keywords: Cost; Banks and Banking; Financing and Loans; Interest Rates; Capital; Investment Portfolio; Credit; Diversification; Risk and Uncertainty
Ivashina, Victoria. "Asymmetric Information Effects on Loan Spreads." Journal of Financial Economics 92, no. 2 (May 2009): 300–319.
- 2024
- Working Paper
Incrementality Representation Learning: Synergizing Past Experiments for Intervention Personalization
This paper introduces Incrementality Representation Learning (IRL), a novel multitask representation learning framework that predicts heterogeneous causal effects of marketing interventions. By leveraging past experiments, IRL efficiently designs and targets... View Details
Keywords: Heterogeneous Treatment Effect; Multi-task Learning; Representation Learning; Personalization; Promotion; Deep Learning; Field Experiments; Customer Focus and Relationships; Customization and Personalization
Huang, Ta-Wei, Eva Ascarza, and Ayelet Israeli. "Incrementality Representation Learning: Synergizing Past Experiments for Intervention Personalization." Harvard Business School Working Paper, No. 24-076, June 2024.
- 2013
- Working Paper
Applying Random Coefficient Models to Strategy Research: Testing for Firm Heterogeneity, Predicting Firm-Specific Coefficients, and Estimating Strategy Trade-Offs
By: Juan Alcacer, Wilbur Chung, Ashton Hawk and Goncalo Pacheco-de-Almeida
Although Strategy research aims to understand how firm actions have differential effects on performance, most empirical research estimates the average effects of these actions across firms. This paper promotes Random Coefficients Models (RCMs) as an ideal empirical... View Details
Alcacer, Juan, Wilbur Chung, Ashton Hawk, and Goncalo Pacheco-de-Almeida. "Applying Random Coefficient Models to Strategy Research: Testing for Firm Heterogeneity, Predicting Firm-Specific Coefficients, and Estimating Strategy Trade-Offs." Harvard Business School Working Paper, No. 14-022, September 2013.