Publications

August 29, 2022
Other Article

Income Inequality Is Rising. Are We Even Measuring It Correctly?

By: Jon M. Jachimowicz, K. Blesch and Oliver P. Hauser

Income inequality is on the rise in many countries around the world, according to the United Nations. What’s more, disparities in global income were exacerbated by the COVID-19 pandemic, with some countries facing greater economic losses than others. Policymakers... View Details

Keywords: Income Inequality; Gini Coefficient; COVID-19 Pandemic; Government Administration; Equality and Inequality; Health Pandemics; Measurement and Metrics

2012
Other Unpublished Work

Measuring the Broadband Bonus in 20 OECD Countries

By: Shane Greenstein and Ryan McDevitt

This paper provides estimates of the economic value created by broadband Internet using measures of new gross domestic product and consumer surplus. The study finds that the economic value created in 30 OECD countries correlates roughly with the overall size of their... View Details

June 2012 (Revised August 2013)
Case

Driving Towards a Disruption?

By: Willy Shih and William Noble

As Clayton Christensen drove to the studio to deliver an online executive education class, he pondered the future of management education. How big a threat did online degree programs, corporate universities, and other innovations in the delivery of management training... View Details

Keywords: Disruptive Technology; Performance Trajectories; Disruptive Innovations; Business Education; Business School; Internet And Online Services Industries; Disruptive Innovation; Higher Education; Corporate Strategy; Internet; Performance; Education Industry; Boston

Educators

Purchase

Matthew Rabin is the Pershing Square Professor of Behavioral Economics in the Harvard Economics Department and Harvard Business School.

Before that, he spent 25 years at the wonderful University of California, Berkeley Economics Department. His research... View Details

Teaching Interest

Overview

2018 - present Harvard Business School, Transforming Health Care Delivery (MBA elective curriculum) 2014 - 2017 Harvard Business Schoool, Technology and Operations Management (first-year required MBA curriculum) Summer 2012 Harvard Kennedy School of Government,... View Details

Research Summary

Performance Impact of Continuous Replenishment Systems

By: Janice H. Hammond

Janice H. Hammond has conducted (with Ted Clark of Hong Kong University of Science and Technology) a survey of U.S. retailers to determine how the implementation of continuous replenishment programs between manufacturers and retailers affects supply channel... View Details

Article

Scenario Generation for Long Run Interest Rate Risk Assessment

By: Robert F. Engle, Guillaume Roussellet and Emil N. Siriwardane

We propose a statistical model of the term structure of U.S. treasury yields tailored for long-term probability-based scenario generation and forecasts. Our model is easy to estimate and is able to simultaneously reproduce the positivity, persistence, and factor... View Details

Keywords: Forecasting; Stress Testing; Interest Rates; Forecasting and Prediction; Risk Management; United States

Article

Howard Raiffa: The Art, Science, and Humanity of a Legendary Negotiation Analyst

By: James K. Sebenius

Rightly known as the “father of negotiation analysis,” Howard Raiffa was my thesis advisor, colleague, and friend for over 30 years. The bulk of this article develops an account of his intellectual trajectory from game theory to statistical decision theory to decision... View Details

Keywords: Negotiation Analysis; Bargaining; Howard Raiffa; Negotiation; Personal Development and Career

Eugene Soltes is a Professor of Business Administration at Harvard Business School where his work focuses on corporate integrity and risk management. His research utilizes data analytics to identify organizational cultures and compliance systems that can effectively... View Details

06 Jan 2015
News

Harvard Business School Professor Emeritus Paul Vatter Dies at 90

Research Summary

'Optimal Incentive Contracts under Inequity Aversion' (with Achim Wambach) ), 2005

We analyze the Moral Hazard problem, assuming that the agent is inequity averse. Our results differ from conventional contract theory and are more in line with empirical findings than these standard results. Our key findings are: Inequity aversion alters the structure... View Details

July 19, 2021
Article

Do Most Family Businesses Really Fail by the Third Generation?

By: Josh Baron and Rob Lachenauer

Perhaps the most commonly-cited statistic about family businesses is their failure rates. Most articles or speeches about family businesses start with some version of the “three-generation rule,” which suggests that most don’t survive beyond three generations. But that... View Details

Keywords: Family Business; Success; Perception

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Article

Physician-Induced Demand for Medical Care

By: Jerry R. Green

This paper addresses the theoretical models designed to ascertain the existence of a variable level of physicians' activity in shifting the demand of their patients. Two basic approaches are followed: equilibrium models of the demand for health care, and disequilibrium... View Details

Keywords: Physicians; Economic Equilibrium; Monopolistic Competition; Economic Competition; Medical Care

2021
Working Paper

First Law of Motion: Influencer Video Advertising on TikTok

By: Jeremy Yang, Juanjuan Zhang and Yuhan Zhang

This paper engineers an intuitive feature that is predictive of the causal effect of influencer video advertising on product sales. We propose the concept of m-score, a summary statistic that captures the extent to which a product is advertised in the most engaging... View Details

Keywords: Influencer Advertising; Video Advertising; Computer Vision; Machine Learning; Advertising; Online Technology

SSRN

Research Summary

The Real Effects of Capital Controls: Financial Constraints, Exporters, and Firm Investment

By: Laura Alfaro

In aftermath of the global financial crisis of 2008–2009, emerging-market governments have increasingly restricted foreign capital inflows. The data show a statistically significant drop in cumulative abnormal returns for Brazilian firms following capital control... View Details

Article

Are Online and Offline Prices Similar? Evidence from Large Multi-Channel Retailers

By: Alberto Cavallo

Online prices are increasingly used for measurement and research applications, yet little is known about their relation to prices in physical stores, where most retail transactions occur. I conduct the first large-scale comparison of prices simultaneously collected... View Details

Keywords: Online Prices; Offline Prices; Multi-channel Retailers; Price; Internet and the Web; Measurement and Metrics; Retail Industry

Article

Portfolio Value-at-Risk Optimization for Asymmetrically Distributed Asset Returns

By: Joel Goh, Kian Guan Lim, Melvyn Sim and Weina Zhang

We propose a new approach to portfolio optimization by separating asset return distributions into positive and negative half-spaces. The approach minimizes a newly-defined Partitioned Value-at-Risk (PVaR) risk measure by using half-space statistical information. Using... View Details

Keywords: Robust Optimization; Portfolio Management; Value-at-risk; Mathematical Methods; Finance

Purchase

2009
Article

Adverse Selection in Online 'Trust' Certifications

By: Benjamin Edelman

Widely used online "trust" authorities issue certifications without substantial verification of recipients' actual trustworthiness. This lax approach gives rise to adverse selection: the sites that seek and obtain trust certifications are actually less trustworthy than... View Details

Keywords: Online Technology; Web Sites; Trust; Governance Compliance; Value; Complexity