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Show Results For
- All HBS Web
(1,192)
- People (1)
- News (316)
- Research (699)
- Events (5)
- Multimedia (14)
- Faculty Publications (418)
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- Article
Learning Through Noticing: Theory and Evidence from a Field Experiment
By: Rema Hanna, Sendhil Mullainathan and Joshua Schwartzstein
We consider a model of technological learning under which people "learn through noticing": they choose which input dimensions to attend to and subsequently learn about from available data. Using this model, we show how people with a great deal of experience may... View Details
Hanna, Rema, Sendhil Mullainathan, and Joshua Schwartzstein. "Learning Through Noticing: Theory and Evidence from a Field Experiment." Quarterly Journal of Economics 129, no. 3 (August 2014): 1311–1353. (Online Appendix.)
- 14 Jul 2003
- Research & Ideas
Understaffed and Overworked: What Now?
also help your work get noticed. "Keeping your head down under the burden of responsibilities will mean that your personal and strategic vision will be stymied within your own organization," Segil notes. If you miss the... View Details
Keywords: by Paul Michelman
- November 2019
- Teaching Note
Actera Group: Investing in Mars Cinema Group (A) and (B)
By: Victoria Ivashina and Jeffrey Boyar
In summer of 2010, Murat Çavuşoğlu (HBS MBA 1994) led private equity firm Actera Group’s investment in Mars Cinema Group (Mars), the leading movie exhibitor in Turkey. Immediately after acquiring Mars and merging it with the second larger player in the market, AFM,... View Details
- August 2020
- Article
Trust in State and Non-State Actors: Evidence from Dispute Resolution in Pakistan
By: Daron Acemoglu, Ali Cheema, Asim I. Khwaja and James A. Robinson
Lack of trust in state institutions is a pervasive problem in many developing countries. This paper investigates whether information about improved public services can help build trust in state institutions and move people away from non-state actors. We find that... View Details
Keywords: Dispute Resolution; Lab-in-the-field Games; Legitimacy; Motivated Reasoning; Non-state Actors; State Capacity; Trust; Conflict and Resolution; Information; Developing Countries and Economies
Acemoglu, Daron, Ali Cheema, Asim I. Khwaja, and James A. Robinson. "Trust in State and Non-State Actors: Evidence from Dispute Resolution in Pakistan." Journal of Political Economy 128, no. 8 (August 2020): 3090–3147.
- 2014
- Working Paper
Contraceptive Access and Fertility: The Impact of Supply-Side Interventions
By: Nava Ashraf, Erica Field and Jessica Leight
Declining fertility in both the developed and developing world has led to large and potentially welfare-enhancing changes in women's labor supply, education and investment in children in recent decades. However, it has been widely noted that the pace of this decline... View Details
Ashraf, Nava, Erica Field, and Jessica Leight. "Contraceptive Access and Fertility: The Impact of Supply-Side Interventions." Working Paper, September 2014. (Under review.)
- January 2001
- Case
Abgenix and the XenoMouse
By: Robert J. Dolan
Abgenix has a unique method for generating antibodies useful in treating a number of diseases, including cancer. In early 2000, the company's cancer has performed very well in animal testing and is moving to early stage human testing. Abgenix must decide whether to... View Details
Keywords: Product Development; Marketing Strategy; Health Testing and Trials; Risk and Uncertainty; Technological Innovation; Innovation Strategy; Science-Based Business; Biotechnology Industry
Dolan, Robert J. "Abgenix and the XenoMouse." Harvard Business School Case 501-061, January 2001.
- Article
Contested Meanings of Freedom: Workingmen's Wages, the Company Store System and the Godcharles v. Wigeman Decision
By: Laura Phillips Sawyer
In 1886, the Pennsylvania Supreme Court struck down a law that prohibited employers from paying wages in company store scrip and mandated monthly wage payments. The court held that the legislature could not prescribe mandatory wage contracts for legally competent... View Details
Phillips Sawyer, Laura. "Contested Meanings of Freedom: Workingmen's Wages, the Company Store System and the Godcharles v. Wigeman Decision." Journal of the Gilded Age and Progressive Era 12, no. 3 (July 2013): 285–319.
- fall 2010
- Article
Lawsuits and Empire: On the Enforcement of Sovereign Debt in Latin America
By: Faisal Z. Ahmed, Laura Alfaro and Noel Maurer
The re-occurring phenomenon of sovereign default has prompted an enormous theoretical and empirical literature. Most of this research has focused on why countries ever chose to pay their debts (or why private creditors ever expected repayment). The problem originates... View Details
Keywords: Lawsuits and Litigation; Insolvency and Bankruptcy; Sovereign Finance; Borrowing and Debt; Debt Securities; Motivation and Incentives; Markets; Equity; Banking Industry; Latin America
Ahmed, Faisal Z., Laura Alfaro, and Noel Maurer. "Lawsuits and Empire: On the Enforcement of Sovereign Debt in Latin America." Law and Contemporary Problems 73, no. 4 (fall 2010): 39–46.
- 2024
- Working Paper
The Cram Method for Efficient Simultaneous Learning and Evaluation
By: Zeyang Jia, Kosuke Imai and Michael Lingzhi Li
We introduce the "cram" method, a general and efficient approach to simultaneous learning and evaluation using a generic machine learning (ML) algorithm. In a single pass of batched data, the proposed method repeatedly trains an ML algorithm and tests its empirical... View Details
Keywords: AI and Machine Learning
Jia, Zeyang, Kosuke Imai, and Michael Lingzhi Li. "The Cram Method for Efficient Simultaneous Learning and Evaluation." Working Paper, March 2024.
- January 1988
- Supplement
Santa Clara County Transportation Agency (B)
Describes manager's decision from the (A) case and resulting court decisions, culminating in landmark 1987 Supreme Court ruling. View Details
Keywords: Decisions; Courts and Trials; Judgments; Transportation Industry; Public Administration Industry
Heckscher, Charles C. "Santa Clara County Transportation Agency (B)." Harvard Business School Supplement 488-040, January 1988.
- 2020
- Working Paper
Food Security and Human Mobility During the COVID-19 Lockdown
By: Prithwiraj Choudhury, Wesley W. Koo, Xina Li, Nishant Kishore, Satchit Balsari and Tarun Khanna
During the COVID-19 crisis, millions of migrants around the world face food insecurity. This could force migrants to travel during the pandemic, exposing them to health risks and accelerating the spread of the virus. Anecdotal evidence demonstrates the importance of... View Details
Keywords: COVID-19; Migrants; Food Security; Mobility; Health Pandemics; Food; Distribution; Policy; Global Range
Choudhury, Prithwiraj, Wesley W. Koo, Xina Li, Nishant Kishore, Satchit Balsari, and Tarun Khanna. "Food Security and Human Mobility During the COVID-19 Lockdown." Harvard Business School Working Paper, No. 20-113, May 2020.
- 22 May 2018
- First Look
New Research and Ideas, May 22, 2018
trust, the two sides may circumvent the intermediary to avoid the intermediary’s fees. We investigate the relationship between increased trust and disintermediation by leveraging a randomized control trial... View Details
Keywords: Dina Gerdeman
- January–February 2023
- Article
Forecasting COVID-19 and Analyzing the Effect of Government Interventions
By: Michael Lingzhi Li, Hamza Tazi Bouardi, Omar Skali Lami, Thomas Trikalinos, Nikolaos Trichakis and Dimitris Bertsimas
We developed DELPHI, a novel epidemiological model for predicting detected cases and deaths in the prevaccination era of the COVID-19 pandemic. The model allows for underdetection of infections and effects of government interventions. We have applied DELPHI across more... View Details
Keywords: COVID-19 Pandemic; Epidemics; Analytics and Data Science; Health Pandemics; AI and Machine Learning; Forecasting and Prediction
Li, Michael Lingzhi, Hamza Tazi Bouardi, Omar Skali Lami, Thomas Trikalinos, Nikolaos Trichakis, and Dimitris Bertsimas. "Forecasting COVID-19 and Analyzing the Effect of Government Interventions." Operations Research 71, no. 1 (January–February 2023): 184–201.
- November 2009
- Article
Finding Missing Markets (and a Disturbing Epilogue): Evidence from an Export Crop Adoption and Marketing Intervention in Kenya
By: Nava Ashraf, Xavier Gine and Dean Karlan
Farmers may grow crops for local consumption despite more profitable export options. DrumNet, a Kenyan NGO that helps small farmers adopt and market export crops, conducted a randomized trial to evaluate its impact. DrumNet services increased production of export crops... View Details
Keywords: Export Crop; Field Experiment; Food Safety Standards; Plant-Based Agribusiness; Trade; Profit; Marketing; Standards; Failure; Non-Governmental Organizations; Agriculture and Agribusiness Industry; Kenya; European Union
Ashraf, Nava, Xavier Gine, and Dean Karlan. "Finding Missing Markets (and a Disturbing Epilogue): Evidence from an Export Crop Adoption and Marketing Intervention in Kenya." American Journal of Agricultural Economics 91, no. 4 (November 2009): 973–990.
- June 2014 (Revised February 2017)
- Case
Kathy Giusti and the Multiple Myeloma Research Foundation
By: Richard G. Hamermesh, Joshua D. Margolis and Matthew G. Preble
What do you do when your rising professional career is cut short by an unexpected cancer diagnosis? Kathy Giusti shifted careers, built a new organization that transformed how cancer research is done, and now faces the challenge of sustaining the organization and its... View Details
Keywords: Philanthropy; Philanthropy Funding; Entrepreneurship; Health Care; Management Styles; Personalized Medicine; Health Care Outcomes; Cancer; Cancer Care In The U.S.; Personal Care; Leadership; Leading Change; Social Entrepreneurship; Philanthropy and Charitable Giving; Health Care and Treatment; Leadership Style; Management Style; Management Skills; Growth and Development Strategy; Business Strategy; Health; Health Industry; United States; Canada; Spain
Hamermesh, Richard G., Joshua D. Margolis, and Matthew G. Preble. "Kathy Giusti and the Multiple Myeloma Research Foundation." Harvard Business School Case 814-026, June 2014. (Revised February 2017.)
- 26 Feb 2001
- Research & Ideas
David, Goliath, and Disruption
How many of us ever said we wanted to do that?" Schreck asked the room. "I'm sure I didn't wake up one morning saying, 'I just want to write chicken-scratch, slowly, on a Palm.' It's just a horrible behavioral change. But we all do it." Jeffrey Miller,... View Details
Keywords: by Martha Lagace
- Article
Overturning the ACA's Medicaid Expansion Would Likely Decrease Low-Income, Reproductive-Age Women's Healthcare Spending and Utilization
By: Lucy Chen, Richard G. Frank and Haiden A. Huskamp
In late 2020, the Supreme Court began hearing a case challenging the Affordable Care Act (ACA), which led to coverage gains for many low-income, reproductive-age women. To explore potential implications of a full ACA repeal for this population, we examined gains... View Details
Keywords: Medicaid; Women's Health; Health Insurance; Health Care and Treatment; Gender; Insurance; Poverty; Health Industry; United States
Chen, Lucy, Richard G. Frank, and Haiden A. Huskamp. "Overturning the ACA's Medicaid Expansion Would Likely Decrease Low-Income, Reproductive-Age Women's Healthcare Spending and Utilization." Inquiry 57 (2020).
- 2008
- Chapter
Where is the Pharmacy to the World? Pharmaceutical Industry Location and International Regulatory Variation
By: Arthur A. Daemmrich
A consumer-oriented model for drug development and use has attracted attention in recent years as an alternative to the much-maligned approach of mass-marketing blockbuster drugs. In a parallel development, patients and disease-based organizations have assumed greater... View Details
Keywords: Geographic Location; Governing Rules, Regulations, and Reforms; Health Testing and Trials; Demand and Consumers; Pharmaceutical Industry; European Union; Germany; United States
Daemmrich, Arthur A. "Where is the Pharmacy to the World? Pharmaceutical Industry Location and International Regulatory Variation." Chap. 16 in Ways of Regulating: Therapeutic Agents between Plants, Shops, and Consulting Rooms. Vol. 363, edited by Jean Paul Gaudillière and Volker Hess, 271–290. Berlin, Germany: Max-Planck-Institut für Wissenschaftsgeschichte, 2008.
- Article
Ushering in Safe, Effective, Secure, and Ethical Medicine in the Digital Era
By: William J. Gordon, Andrea Coravos and Ariel Dora Stern
From clinical trials to care delivery, advanced, digitally enabled technologies and analytics offer new approaches to how we think about medicine, health, and biology. The COVID-19 pandemic has accelerated this conversation, and forced a roadmap, once measured in years... View Details
Gordon, William J., Andrea Coravos, and Ariel Dora Stern. "Ushering in Safe, Effective, Secure, and Ethical Medicine in the Digital Era." npj Digital Medicine 4, no. 56 (2021).
- February 2021
- Article
The Department of Justice as a Gatekeeper in Whistleblower-Initiated Corporate Fraud Enforcement: Drivers and Consequences
By: Jonas Heese, Ranjani Krishnan and Hari Ramasubramanian
We examine drivers and consequences of U.S. Department of Justice (DOJ) oversight of whistleblower cases of corporate fraud against the government. We find that the DOJ is more likely to intervene in and conduct longer investigations of cases that have a higher chance... View Details
Keywords: Whistleblowing; Department Of Justice; DOJ Enforcement; Performance Measures; False Claims Act; Crime and Corruption; Governance Compliance; Law Enforcement
Heese, Jonas, Ranjani Krishnan, and Hari Ramasubramanian. "The Department of Justice as a Gatekeeper in Whistleblower-Initiated Corporate Fraud Enforcement: Drivers and Consequences." Journal of Accounting & Economics 71, no. 1 (February 2021).