Publications

Purchase

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

Keywords: Private Equity; Value Creation; Transformation; Valuation; Entertainment and Recreation Industry; Entertainment and Recreation Industry; Turkey

Purchase

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

Keywords: Perception; Behavior; Learning

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

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

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

01 Dec 2022
News

December 2022 Alumni and Faculty Books and Podcasts

through negotiated settlements, and very few cases involve court proceedings or go to trial. In this book, the authors open a window into all aspects of corporate criminal investigations View Details

01 Jun 1998
News

Diversity and Community

shrinking labor pool of talented people," Thomas continues, "today's companies are courting and working with diverse constituencies that were all but invisible to firms even a couple of decades ago. It is... View Details

Keywords: Garry Emmons

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

Educators

Purchase

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

05 Dec 2017
First Look

First Look at New Research and Ideas, December 5, 2017

the stigma of financial misconduct could reach alumni employees and need not be confined to executives and directors that oversaw the organization during the misconduct. Download working paper:... View Details

Keywords: Sean Silverthorne

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

December 2021
Article

Negativity Spreads More Than Positivity on Twitter after Both Positive and Negative Political Situations

By: Jonas Paul Schöne, Brian Parkinson and Amit Goldenberg

What type of emotional language spreads further in political discourses on social media? Previous research has focused on situations that primarily elicited negative emotions, showing that negative language tended to spread further. The current project extends existing... View Details

Keywords: Negative Emotions; Emotional Influence; Emotional Resonance; Political Discourse; Emotion Contagion; Intergroup; Interactive Communication; Emotions; Government and Politics; Social Media

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

SSRN

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

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

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

2009
Working Paper

Where Is the Pharmacy to the World? International Regulatory Variation and Pharmaceutical Industry Location

By: Arthur 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: Governing Rules, Regulations, and Reforms; Health Disorders; Health Testing and Trials; Power and Influence; Competitive Strategy; Pharmaceutical Industry; European Union; Germany; United States

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

SSRN