Publications

Educators

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

March 2020
Article

Do Managers Matter? A Natural Experiment from 42 R&D Labs in India

By: Prithwiraj Choudhury, Tarun Khanna and Christos A. Makridis

We exploit plausibly exogenous variation in the staggered entry of new managers into India’s 42 public R&D labs between 1994 and 2006 to study how alignment between the CEO and middle-level managers affect research productivity. We show that the introduction of new lab... View Details

Keywords: Incentives; Innovation; Productivity; Management; Alignment; Research and Development; Innovation and Invention; Performance Productivity; India

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June 2018
Teaching Note

ALAC International

By: Richard S. Ruback, Royce Yudkoff and Ahron Rosenfeld

ALAC International (ALAC) was awarded the U.S. distributorship of di-isononyl phthalate (DINP) which provided ALAC an opportunity to increase its sales and profits. But the opportunity required a significant additional investment in working capital. The DINP, shipped... View Details

Keywords: Working Capital; Financing and Loans; Growth Management

October 2014
Case

Teckentrup: A Door to Managing Difference

By: Clayton Rose, Jerome Lenhardt and Daniela Beyersdorfer

For Kai Teckentrup, the owner and co-CEO of the German "Mittelstand" door manufacturer Teckentrup, balancing competitive pressures, demographic realities and values were at the heart of the diversity program that he had started and championed at the company. Beyond... View Details

Educators

June 2014 (Revised May 2020)
Supplement

Busse Place (B): Hannah's Dilemma

By: Arthur I. Segel and John H. Vogel, Jr.

Marisa Sanchez, a new Associate at Douglas Private Equity Advisors, confronts a dilemma when she is asked by a Senior Vice President (SVP) to do due diligence on a deal he wants to bring before the investment committee which will include the SVP, Douglas' owner and... View Details

Keywords: Real Estate; Financial Analysis; Property; Finance; Analysis; Ethics; Real Estate Industry; United States

November 2012 (Revised January 2013)
Case

Companion Diagnostics: Uncertainties for Approval and Reimbursement

By: Richard G. Hamermesh, Norman C. Selby and Phillip Andrews

The FDA approvals of novel therapeutics were seen as signs in the personalized medicine community of real progress in the growth of personalized medicine. The FDA's approval of such drugs, along with companion diagnostics, suggested a shift in thinking and regulatory... View Details

Keywords: Models Of Reimbursement; Personalized Medicine; Regulation; Healthcare Reform; Health Care and Treatment; Health Industry; United States

Educators

2022
Working Paper

Small Campaign Donors

By: Laurent Bouton, Julia Cagé, Edgard Dewitte and Vincent Pons

In this paper, we study the characteristics and behavior of small donors, and compare them to those of large donors. We first build a novel dataset including all the 340 million individual contributions reported to the U.S. Federal Election Commission between 2005 and... View Details

Keywords: Campaign Finance; Campaign Contributions; Small Donations; ActBlue; WinRed; TV Advertising; Political Elections; Finance; Demographics; Advertising; Analysis; Analytics and Data Science

Winter 2021
Article

Mobile Internet Usage and Usage-based Pricing

By: Jeffrey Prince and Shane Greenstein

Using data on mobile Internet usage of thousands of individuals, we provide some of the first analyses linking mobile usage to key demographics such as income. We find a reverse-U relationship between mobile Internet usage and income—notably different than the... View Details

Keywords: Mobile Internet Usage; Pricing Strategy; Internet and the Web; Mobile and Wireless Technology; Demographics; Income; Price; Strategy

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2009
Working Paper

Does Competition Favor Delegation?

By: Christian Alejandro Ruzzier

This paper studies the consequences of product-market competition on firms' decisions to delegate more or fewer decision-making responsibilities to managers. By simultaneously addressing the choice of both competitive actions and organizational design, the paper makes... View Details

Keywords: Business or Company Management; Competition; Decision Making

07 Nov 2014
Working Paper Summaries

Do Experts or Collective Intelligence Write with More Bias? Evidence from Encyclopædia Britannica and Wikipedia

Keywords: by Shane Greenstein & Feng Zhu; Information; Publishing

Web

Insights & Advice Blog

industry leaders, and a community passionate about the future of technology. [...] How to Onboard Recently Graduated MBAs 28 Apr 2025 | All Industries All Locations Recruiting Advice Recruiting Strategies For large numbers of Harvard... View Details

16 Feb 2012
Working Paper Summaries

Platform Competition Under Partial Belief Advantage

Keywords: by Hanna Halaburda & Yaron Yehezkel; Consumer Products

Article

Individuals' Decision to Co-Donate or Donate Alone: An Archival Study of Married Whole Body Donors in Hawaii

By: Michel Anteby, Filiz Garip, Paul V. Martorana and Scott Lozanoff

Background: Human cadavers are crucial to numerous aspects of health care, including initial and continuing training of medical doctors and advancement of medical research. Concerns have periodically been raised about the limited number of whole body... View Details

Keywords: Decisions; Health Care and Treatment; Personal Characteristics; Philanthropy and Charitable Giving; Health Industry; Hawaii