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January 2014
Article

Pareto Efficiency in Robust Optimization

By: Dan Iancu and Nikolaos Trichakis

This paper formalizes and adapts the well-known concept of Pareto eﬃciency in the context of the popular robust optimization (RO) methodology for linear optimization problems. We argue that the classical RO paradigm need not produce solutions that possess the... View Details

Keywords: Robust Optimization; Pareto Optimality; Resource Allocation; Game Theory

2018
Working Paper

Forecasting Airport Transfer Passenger Flow Using Real-Time Data and Machine Learning

By: Xiaojia Guo, Yael Grushka-Cockayne and Bert De Reyck

Problem definition: In collaboration with Heathrow Airport, we develop a predictive system that generates quantile forecasts of transfer passengers’ connection times. Sampling from the distribution of individual passengers’ connection times, the system also produces... View Details

Keywords: Quantile Forecasts; Regression Tree; Copula; Passenger Flow Management; Data-driven Operations; Forecasting and Prediction; Data and Data Sets

SSRN

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

2016
Article

Penalized Fast Subset Scanning

By: Skyler Speakman, Sriram Somanchi, Edward McFowland III and Daniel B. Neill

We present the penalized fast subset scan (PFSS), a new and general framework for scalable and accurate pattern detection. PFSS enables exact and efficient identification of the most anomalous subsets of the data, as measured by a likelihood ratio scan statistic.... View Details

Keywords: Disease Surveillance; Likelihood Ratio Statistic; Pattern Detection; Scan Statistic; Mathematical Methods

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Profile

Cathy Zhou

I had to stop amassing more skills and just make the leap to doing what I wanted to do. What have you most enjoyed about your career thus far? As a general manager at Uber, I love that the work my team and I do each day makes a direct... View Details

Keywords: Technology

2019
Working Paper

Design Rules, Volume 2: How Technology Shapes Organizations: Chapter 16 Capturing Value by Controlling Bottlenecks in Open Platform Systems

By: Carliss Y. Baldwin

The purpose of this chapter is to investigate the means by which firms capture value in open platform systems. I begin by arguing that the surplus value created by complementarities within a technical system will be split among the owners of the unique and essential... View Details

Keywords: Open Platforms; Bottlenecks; Flow Production; Value Capture; Disintermediation; Production; Management; Digital Platforms

SSRN

November 2004 (Revised March 2007)
Case

10 Uncommon Values®: Optimizing the Stock-Selection Process

By: Paul M. Healy and Boris Groysberg

In 2003, Steve Hash, research director at Lehman Brothers, prepared to initiate the firm's "Ten Uncommon Values" stock-picking process for the year. An investment committee had to pick the 10 best stocks from about 100 stock ideas presented by the firm's analysts. The... View Details

Keywords: Stocks; Investment; Financial Strategy; Decision Making; Groups and Teams; Financial Services Industry; United States

Educators

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Research Summary

Growth and the Quality of Foreign Direct Investment: Is All FDI Equal? (joint with Andrew Charlton)

By: Laura Alfaro

In this paper we distinguish different qualities of FDI to re-examine the relationship between FDI and growth. Establishing the quality of FDI, however, is a difficult concept. Quality, that is the effect of a unit of FDI on economic growth, is a combination and... View Details

Teaching Interest

Digital Marketing Strategy

By: John A. Deighton

When the tools of marketing change, strategies change too. The focus of this course is on firms trying to navigate the transition from offline to online market-making and strategy development. Our concern is primarily with corporations that have products and... View Details

Web

PhD Programs - Doctoral

PhD Programs The start of your PhD program launches your journey to a career in business academia. Students in our PhD programs are encouraged from day one to think of this experience as their first job in business academia—a training ground for a challenging and... View Details

2024
Working Paper

Does the Case for Private Equity Still Hold?

By: Nori Gerardo Lietz and Philipp Chvanov

Private Equity (“PE”) received a 10-fold increase in capital flows since the Great Financial Crisis (“GFC”) Investors sought higher nominal returns relative to those they could obtain in the public capital markets. This paper questions the fundamental assumptions... View Details

Keywords: Private Equity; Investment Return; Investment Portfolio; Financial Markets

SSRN

2015
Working Paper

Financial Patent Quality: Finance Patents After State Street

By: Josh Lerner, Andrew Speen, Mark Baker and Ann Leamon

In the past two decades, patents of inventions related to financial services ("finance patents"), as well as litigation around these patents, have surged. One of the repeated concerns voiced by academics and practitioners alike has been about the quality of these... View Details

Keywords: Patents; Lawsuits and Litigation; Finance

Jerry R. Green

David A. Wells Professor of Political Economy

John Leverett Professor in the University

Harvard University

Jerry Green is the John Leverett Professor in the University and the David A. Wells... View Details

Keywords: aerospace; education industry; insurance industry; professional services

Article

Refined Configuration Results for Extremal Type II Lattices of Ranks 40 and 80

By: Noam D. Elkies and Scott Duke Kominers

We show that, if L is an extremal Type II lattice of rank 40 or 80, then L is generated by its vectors of norm min(L)+2. This sharpens earlier results of Ozeki, and the second author and Abel, which showed that such lattices L are generated by their vectors of norms... View Details

Keywords: Mathematical Methods

2020
Working Paper

Iterative Coordination and Innovation

By: Sourobh Ghosh and Andy Wu

Agile management practices from the software industry continue to transform the way organizations innovate across industries, yet they remain understudied in the organizations literature. We investigate the widespread Agile practice of iterative coordination: frequent... View Details

Keywords: Innovation; Goals; Specialization; Coordination; Field Experiment; Software Development; Organizations; Collaborative Innovation and Invention; Goals and Objectives; Integration; Software

August 2019
Article

When and How to Diversify—A Multicategory Utility Model for Personalized Content Recommendation

By: Yicheng Song, Nachiketa Sahoo and Elie Ofek

Sometimes we desire change, a break from the same or an opportunity to fulfill different aspects of our needs. Noting that consumers seek variety, several approaches have been developed to diversify items recommended by personalized recommender systems. However,... View Details

Keywords: Recommender Systems; Personalization; Recommendation Diversity; Variety Seeking; Collaborative Filtering; Consumer Utility Models; Digital Media; Clickstream Analysis; Learning-to-rank; Consumer Behavior; Media; Customization and Personalization; Strategy; Mathematical Methods

2023
Working Paper

Estimating Productivity in the Presence of Spillovers: Firm-Level Evidence from the U.S. Production Network

By: Ebehi Iyoha

This paper examines the extent to which productivity gains are transmitted across U.S. firms through buyer-supplier relationships. Many empirical studies measure firm-to-firm spillovers using firm-level productivity estimates derived from control function approaches.... View Details

Keywords: Supply and Industry; Partners and Partnerships; Production

2015
Working Paper

Do People Shape Cities, or Do Cities Shape People? The Co-evolution of Physical, Social, and Economic Change in Five Major U.S. Cities

By: Nikhil Naik, Scott Duke Kominers, Ramesh Raskar, Edward L. Glaeser and Cesar Hidalgo

Urban change involves transformations in the physical appearance and the social composition of neighborhoods. Yet, the relationship between the physical and social components of urban change is not well understood due to the lack of comprehensive measures of... View Details

Keywords: Demographics; Urban Development; Change; Economics