Publications

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

2017
Working Paper

Identifying Sources of Inefficiency in Health Care

By: Amitabh Chandra and Douglas O. Staiger

In medicine, the reasons for variation in treatment rates across hospitals serving similar patients are not well understood. Some interpret this variation as unwarranted and push standardization of care as a way of reducing allocative inefficiency. However, an... View Details

Keywords: Health Care and Treatment; Performance Efficiency; Performance Productivity; Mathematical Methods

Fall 2012
Article

Innovation Strategy and Entry Deterrence

By: Ozge Turut and Elie Ofek

We model an incumbent's decision to pursue radical or incremental innovation when facing a rival entrant. The radical innovation may yield lucrative financial returns but entails significant technological and market-related uncertainties. It is also particularly... View Details

Keywords: Competition; Innovation Strategy; Risk and Uncertainty; Markets; Mathematical Methods

2007
Working Paper

The Political Economy of 'Natural' Disasters

By: Charles Cohen and Eric D. Werker

Natural disasters occur in a political space. Although events beyond our control may trigger a disaster, the level of government preparedness and response greatly determines the extent of suffering incurred by the affected population. We use a political economy model... View Details

Keywords: Policy; Government and Politics; Strategic Planning; Mathematical Methods; Natural Disasters; Welfare or Wellbeing

31 May 2023
Research & Ideas

With Predictive Analytics, Companies Can Tap the Ultimate Opportunity: Customers’ Routines

from streaming video to online retailing might profit from using the model because detailed data can be closely tracked and parsed to detect routines,” Ascarza says. More services and products than ever are now sold online. That means the View Details

Keywords: by Rachel Layne; Transportation

2017
Working Paper

Minimizing Justified Envy in School Choice: The Design of New Orleans' OneApp

By: Atila Abdulkadiroglu, Yeon-Koo Che, Parag A. Pathak, Alvin E. Roth and Oliver Tercieux

In 2012, New Orleans Recovery School District (RSD) became the first U.S. district to unify charter and traditional public school admissions in a single-offer assignment mechanism known as OneApp. The RSD also became the first district to use a mechanism based on Top... View Details

Keywords: Education; Decision Choices and Conditions; Marketplace Matching; Mathematical Methods; Design

Profile

Jonathon Bunt

based on the case method – and led by a former HBS professor, Ed Zschau. Even as an undergraduate, HBS was on my mind.” According to Jonathon, the case method is especially valuable for entrepreneurs.... View Details

30 Oct 2018

Harvard MS/MBA Boston ShowCASE

Participate in the HBS case study method with Professor Tom Eisenmann and hear from representatives of both Harvard Business School and the John A. Paulson School of Engineering and Applied Sciences (SEAS) on the joint degree and... View Details

November 1990
Case

Chemplan Corp.: Paint-Rite Division

By: Paul A. Vatter

An exercise with data that allows a discussion of regression analysis as a tool for forecasting and understanding structure. View Details

Keywords: Forecasting and Prediction; Framework; Analytics and Data Science; Mathematical Methods

13 May 2019

HBS ShowCASE in Miami

This event will give prospective MBA students the opportunity to try out our signature pedagogy of the case method. You won’t just be witnessing the case method in action, you’ll actively be participating in it. What better way to see if... View Details

Portrait Project

Clare Hawthorne

this impact? How will I market this skill? Working in human resources, of course! Though it lacks the sex appeal of contributing directly to firm revenues, I can provide employees with opportunities to thrive and align them with the firm's strategy. I can View Details

08 Aug 2016
Blog Post

CS50 for MBAs: Coding at HBS

would have to manage and interact with people who do. The lessons and exercises in CS50 for MBAs departed dramatically from the case method in terms of pedagogical method and philosophy. The lessons were... View Details

2011
Working Paper

Free to Punish? The American Dream and the Harsh Treatment of Criminals

By: Rafael Di Tella and Juan Dubra

We describe the evolution of selective aspects of punishment in the U.S. over the period 1980-2004. We note that imprisonment increased around 1980, a period that coincides with the "Reagan revolution" in economic matters. We build an economic model where beliefs about... View Details

Keywords: Crime and Corruption; Economy; Moral Sensibility; Mathematical Methods; Opportunities; Behavior; United States

January 2008
Background Note

Valuing Risky Debt

By: Joshua Coval and Erik Stafford

This lesson develops the classical structural approach to pricing and hedging credit risk: Merton's (1974) contingent claims model of debt and equity claims. This model is used to make investment and risk management decisions in an over-the-counter (OTC) market for... View Details

Keywords: Borrowing and Debt; Credit; Investment; Price; Risk Management; Mathematical Methods; Valuation

December 2001 (Revised May 2003)
Background Note

Queueing Theory

By: V.G. Narayanan and George Batta

Explains the assumptions behind and the insights from a simple queueing model. View Details

Keywords: Mathematical Methods; Theory; Management Analysis, Tools, and Techniques; Motivation and Incentives; Service Delivery

October 2007
Article

The Effectiveness of Pre-Release Advertising for Motion Pictures: An Empirical Investigation Using a Simulated Market

By: Anita Elberse and Bharat N. Anand

One of the most visible and publicized trends in the movie industry is the escalation in movie advertising expenditures over time. Yet, the returns to movie advertising are poorly understood. The main reason is that disentangling the causal effect of advertising on... View Details

Keywords: Advertising; Stocks; Investment Return; Price; Revenue; Quality; Mathematical Methods; Motion Pictures and Video Industry

September 1974 (Revised April 1975)
Case

Ocean Spray Cranberries, Inc. (B)

A consumer attitude survey involving more than 1,000 cranberry users has been conducted. Multivariate statistical procedures including factor analysis, cluster analysis and multiple discriminant analysis have been employed to suggest four attitude segments in the... View Details

Keywords: Surveys; Product Positioning; Mathematical Methods; Consumer Behavior; Agriculture and Agribusiness Industry; Food and Beverage Industry