Publications

March 2022 (Revised January 2025)
Technical Note

Linear Regression

By: Iavor I. Bojinov, Michael Parzen and Paul Hamilton

This note provides an overview of linear regression for an introductory data science course. It begins with a discussion of correlation, and explains why correlation does not necessarily imply causation. The note then describes the method of least squares, and how to... View Details

Keywords: Data Science; Linear Regression; Mathematical Modeling; Mathematical Methods; Analytics and Data Science

Web

PhD Programs - Doctoral

requirements and curriculum, read student profiles as well as student research , and placement information. The PhD in Business Administration grounds students in the disciplinary theories and research methods that form the foundation of... View Details

June 2023 (Revised February 2024)
Case

Betting on Green Steel

By: George Serafeim and Sofoklis Melissovas

'Betting on Green Steel' traces the innovative journey embarked upon by a group of MBA students who have set out to conceive a novel steelmaker that pioneers the production of green steel. The ensemble is confronted with a series of critical choices that will shape the... View Details

Keywords: Decarbonization; Sustainability Management; Technology; Industrialization; Climate Risk; Energy; Entrepreneurship; Environmental Sustainability; Technology Adoption; Climate Change; Innovation and Invention; Business Strategy; Family Business; Steel Industry; Middle East; India

2020
Article

Fast Exact Matrix Completion: A Unified Optimization Framework for Matrix Completion

By: Dimitris Bertsimas and Michael Lingzhi Li

We formulate the problem of matrix completion with and without side information as a non-convex optimization problem. We design fastImpute based on non-convex gradient descent and show it converges to a global minimum that is guaranteed to recover closely the... View Details

Keywords: Mathematical Methods

Read Now

28 May 2015
News

Breaking the Death Grip of Legacy Technologies

Research Summary

Hedging Asian Options: Closed-Form Solutions Using the Malliavin Calculus

Hedging path-dependent options requires non-standard tools because the price processes no longer have smooth stochastic differentials. I show how the Malliavin calculus can be used to overcome the specific difficulties introduced by the averaging behavior of... View Details

February 2014 (Revised April 2014)
Supplement

Pixability: Managing a Corporate Board (Pre Class)

By: Noam Wasserman

"Bettina’s Board Walk" examines the board management methods of Bettina Hein, Founder-CEO of Pixability, Inc., as she prepares for and conducts a standard board meeting. The case is designed to give students an understanding of the delicate dynamics inherent in board... View Details

Keywords: Entrepreneurial Management; Board Of Directors; Entrepreneurship

24 Feb 2022
Video

Professor Arthur Segel: Unexpected

Ryan L. Raffaelli

Ryan Raffaelli is the Marvin Bower Associate Professor of Business Administration at Harvard Business School. He created and teaches the MBA course "Leadership: Execution and Action Planning" (LEAP) and serves... View Details

Keywords: publishing industry; advertising; consulting; information technology industry; grocery; nonprofit industry; retailing; consumer products; federal government

Web

Alumni

interactive HBS alumni networking workshop. We will discuss the benefits of applying the scientific method to networking. This framework when applied to gathering market information and navigating professional decision points - removes... View Details

September 2023
Module Note

Live Case Exercise for Financial Reporting

By: Tatiana Sandino and Marshal Herrmann

Harvard Business School employs the case method as a cornerstone of its pedagogy, providing students with opportunities to engage in discussions related to difficult or contentious decisions confronted by real-world organizations. In this “live case,” we depart from... View Details

Keywords: Financial Reporting; Research; Corporate Disclosure

Web

Faculty & Research

Citation Related De Freitas, Julian. "Don’t Let an AI Failure Harm Your Brand." Harvard Business Review 103, no. 4 (July–August 2025): 126–133. Productivity Beliefs and Efficiency in Science By: Fabio Bertolotti, Kyle R. Myers and Wei Yang Tham 2025 | Working Paper |... View Details

Jon M. Jachimowicz

Jon M. Jachimowicz is an Assistant Professor of Business Administration in the Organizational Behavior Unit at Harvard Business School, where he teaches the Leadership and Organizational Behavior course (LEAD) in the Required Curriculum. He studies... View Details

October 2010 (Revised October 2011)
Case

Polyface: The Farm of Many Faces

By: Deishin Lee and Stephanie van Sice

This case explores a method of value creation through exploiting synergies that exist in an environment where there is diversity. The context of the case is a farm where biodiversity is leveraged to create value. This is contrasted to industrial farming, which operates... View Details

Keywords: Agribusiness; Product Development; Production; Corporate Social Responsibility and Impact; Environmental Sustainability; Value Creation; Agriculture and Agribusiness Industry

07 Jul 2009
First Look

First Look: July 7

driven at least partly by career concerns. Download the paper: http://www.hbs.edu/research/pdf/09-014.pdf Policy Bundling to Overcome Loss Aversion: A Method for Improving Legislative Outcomes Authors:Katherine L. Milkman, Mary Carol... View Details

Keywords: Martha Lagace

2022
Article

Efficiently Training Low-Curvature Neural Networks

By: Suraj Srinivas, Kyle Matoba, Himabindu Lakkaraju and Francois Fleuret

Standard deep neural networks often have excess non-linearity, making them susceptible to issues such as low adversarial robustness and gradient instability. Common methods to address these downstream issues, such as adversarial training, are expensive and often... View Details

Keywords: AI and Machine Learning