Publications

January 2008
Background Note

Equity Options

By: Joshua Coval and Erik Stafford

The goal of this simulation is to understand the reliance of option values on volatility. When an investor trades an option, they are essentially trading volatility. Therefore, much of the focus in this lesson is on forecasting volatility. Students are able to use two... View Details

Keywords: Volatility; Forecasting and Prediction; Stock Options; Investment Return; Price; Market Transactions; Mathematical Methods; Value

Educators

November 1976
Article

Partial Equilibrium Approach to the Free-Rider Problem

By: Jerry R. Green, Elon Kohlberg and Jean-Jacques Laffont

Groves and others have shown that truthful answers concerning preferences for public goods can be elicited as dominant strategies if appropriate tax-subsidies rules are applied. This paper studies the statistical properties of the total revenues generated by one of the... View Details

Keywords: Problems and Challenges

11 Dec 2007
First Look

First Look: December 11, 2007

Working PapersThe Seer of Wellesley Hills: Roger Babson and the Babson Statistical Organization Author:Walter A. Friedman Abstract Roger Babson was a pioneer of the business-forecasting industry in the United States in the early... View Details

Keywords: Martha Lagace

January 2018
Technical Note

The Scope of Business at the Base of the Pyramid: Middle and Lower Income Countries

By: V. Kasturi Rangan and Tricia Gregg

Using World Bank data, the note defines the Base of the Pyramid population as the 4.76 billion people living on less than $10/day. It briefly reviews the perspectives of key business articles that address this market, notably C.K. Prahalad’s work on Bottom of the... View Details

Keywords: Developing Countries and Economies; Poverty; Social Issues; Human Needs; Segmentation

Educators

2025
Working Paper

Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India

By: Shawn Cole, Grady Killeen, Tomoko Harigaya and Aparna Krishna

This paper evaluates a low-cost, customized soil nutrient management advisory service in India. As a methodological contribution, we examine whether and in which settings satellite measurements may be effective at estimating both agricultural yields and treatment... View Details

Keywords: Performance Evaluation; Technology Adoption; Measurement and Metrics; Analytics and Data Science; Agriculture and Agribusiness Industry; India

Teaching Interest

Applied Business Analytics

Course Overview:

Business Analytics has become a core function in many firms today and is driving innovation in the form of new business and operating models. Data-driven decision-making requires understanding of statistics, computer... View Details

October 2015
Article

After the Arab Spring: Are Secular Parties the Answer?

By: Mieczysław Boduszyński, Kristin Fabbe and Christopher Lamont

After the "Arab Spring" and the initial democratic reforms in Turkey under the Justice and Development Party (AKP), why has democratic progress remained so elusive in the Middle East and North Africa (MENA)? In recent years, that question has preoccupied numerous... View Details

Keywords: Religion; Government and Politics; Business and Government Relations; North Africa; Egypt; Middle East; Turkey

Article

Small Worlds and Regional Innovation

Small-world networks have attracted much theoretical attention and are widely thought to enhance creativity. Yet empirical studies of their evolution and evidence of their benefits remain scarce. We develop and exploit a novel database on patent coauthorship to... View Details

Keywords: Geographic Location; Collaborative Innovation and Invention; Patents; Performance Productivity; Creativity; Social and Collaborative Networks

Teaching Interest

Data Science for Managers

Served as a teaching fellow; assisted MBA students with classroom coding exercises.
Developed course materials, including new case studies, technical notes, and code notebooks students used to analzye case data.
Developed interactive web... View Details

July 2019
Article

Evaluation of Economic and Clinical Outcomes Under Centers for Medicare & Medicaid Services Mandatory Bundled Payments for Joint Replacements

By: Derek A. Haas, Xiaoran Zhang, Robert S. Kaplan and Zirui Song

In 2016, the Centers for Medicare & Medicaid Services (CMS) launched its first mandatory bundled payment program, the Comprehensive Care for Joint Replacement (CJR) model, by randomizing metropolitan statistical areas (MSAs) into the payment model. The paper analyzed... View Details

Keywords: Medicare; Medicaid; Bundled Payments; Health Care and Treatment; Cost Management; Performance Evaluation; Outcome or Result

Register to Read

September 2025
Article

Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India

By: Shawn Cole, Tomoko Harigaya, Grady Killeen and Aparna Krishna

This paper evaluates a low-cost, customized soil nutrient management advisory service in India. As a methodological contribution, we examine whether and in which settings satellite measurements may be effective at estimating both agricultural yields and treatment... View Details

Keywords: Measurement and Metrics; Mathematical Methods; Analytics and Data Science; Agriculture and Agribusiness Industry; India

2021
Working Paper

The Luck of the Draw: The Causal Effect of Physicians on Birth Outcomes

By: Arlen Guarin, Christian Posso, Estefania Saravia and Jorge Tamayo

Identifying the effect of physicians’ skills on health outcomes is a challenging task due to the nonrandom sorting between physicians and hospitals. We overcome this challenge by exploiting a Colombian government program that randomly assigned 2,126 physicians to 618... View Details

Keywords: Physicians' Health Skills; Health Birth Outcomes; Birthing Outcomes; Experimental Evidence; Health Care and Treatment; Competency and Skills; Outcome or Result; Health Industry; Colombia

July 2001
Case

Bobbie D'Alessandro and the Redesign of the Cambridge Rindge and Latin School

By: Linda A. Hill, Kristin Doughty and Ellen Pruyne

Bobbi D'Alessandro, the superintendent of the school system in Cambridge, MA, has just hired a new principal to lead a major redesign effort in the city's only high school. The need for reform had been evident since the late 1980s when school statistics highlighted... View Details

Keywords: Problems and Challenges; Business and Stakeholder Relations; Performance Improvement; Change Management; Secondary Education; Selection and Staffing; Leading Change; Education Industry; Cambridge

21 Jun 2012
Working Paper Summaries

Information Technology and Boundary of the Firm: Evidence from Plant-Level Data

Keywords: by Chris Forman & Kristina McElheran

05 Jul 2006
Working Paper Summaries

Failing to Learn and Learning to Fail (Intelligently): How Great Organizations Put Failure to Work to Improve and Innovate

Keywords: by Mark D. Cannon & Amy C. Edmondson

2024
Working Paper

The Effects of Medical Debt Relief: Evidence from Two Randomized Experiments

By: Raymond Kluender, Neale Mahoney, Francis Wong and Wesley Yin

Two in five Americans have medical debt, nearly half of whom owe at least $2,500. Concerned by this burden, governments and private donors have undertaken large, high-profile efforts to relieve medical debt. We partnered with RIP Medical Debt to conduct two randomized... View Details

Keywords: Borrowing and Debt; Credit; Outcome or Result; Well-being; Personal Finance

August 2024
Article

Heuristics on Call: The Impact of Mobile-Phone-Based Business-Management Advice

By: Shawn Cole, Mukta Joshi and Antoinette Schoar

There is growing evidence that business training for micro-entrepreneurs can be effective. However, in-person training can be expensive and imposes costs on the target beneficiaries. This paper presents the results of a two-site randomized evaluation of a light-touch,... View Details

Keywords: Training; Entrepreneurship; Mobile and Wireless Technology; India; Philippines

2000
Other Unpublished Work

Do Executive Stock Options Encourage Risk-Taking?

By: Randolph B. Cohen, Brian J. Hall and Luis M. Viceira

Executive stock options create incentives for executives to manage firms in ways that maximize firm market value. Since options increase in value with the volatility of the underlying stock, executive stock options provide managers with incentives to take actions that... View Details

Keywords: Risk and Uncertainty; Motivation and Incentives; Stock Options; Executive Compensation