Publications

18 Apr 2019
Research & Ideas

Open Innovation Contestants Build AI-Based Cancer Tool

LISH team: LISH has longstanding interest in and experience with solving problems in computer vision, image analysis, and advanced analytics through crowdsourcing. We have extended our work and research into the field of medical image... View Details

Keywords: by Martha Lagace; Health; Medical Devices & Supplies

08 Jan 2008
First Look

First Look: January 8, 2008

to best finance his company's growth. Over the previous five years as founder and CEO of D2Hawkeye, a Waltham, Massachusetts-based healthcare analytics company, Kryder had grown the firm from a six-person start-up into a leading developer... View Details

Keywords: Martha Lagace

2015
Working Paper

Online Word of Mouth and Product Review Disagreement

By: Frank Nagle and Christoph Riedl

Studies of online word of mouth have frequently posited―but never systematically conceptualized and explored―that the level of disagreement between existing product reviews can impact the volume and the valence of future reviews. In this study we develop a theoretical... View Details

Keywords: Online Word Of Mouth; Online Communities; Viral Marketing; Online Product Reviews; Quality; Internet and the Web; Consumer Behavior; Marketing Reference Programs; Social and Collaborative Networks; Digital Marketing; Analytics and Data Science

SSRN

10 Jun 2013
Research & Ideas

How Numbers Talk to People

online travel company Expedia's US business. Joe was previously a Web analytics maven-and he still is-but his data-based problem-solving approaches have led to a variety of impressive promotions. Many of the Expedia investigations involve... View Details

February 2001
Case

PlanetFeedback: The Voice of One ... The Power of Many (A)

By: James L. Heskett

The management of PlanetFeedback in proposes a merger with Intelliseek. Their goal is to create a comprehensive C2B and B2B business focused on the generation and analysis for business clients of consumer feedback data via the Internet, Planet Feedback's board of... View Details

Keywords: Mergers and Acquisitions; Decisions; Information Management; Analytics and Data Science; Business Strategy; Internet and the Web; Information Technology Industry

October 2007
Article

Supply and Demand Shifts in the Shorting Market

By: Lauren Cohen, Karl B. Diether and Christopher J. Malloy

Using proprietary data on stock loan fees and quantities from a large institutional investor, we examine the link between the shorting market and stock prices. Employing a unique identification strategy, we isolate shifts in the supply and demand for shorting. We find... View Details

Keywords: Analytics and Data Science; Stocks; Financing and Loans; Price; Strategy; Demand and Consumers; Forecasting and Prediction; Investment Return; Markets; Information

Find at Harvard

03 Oct 2017
First Look

First Look at Research and Ideas, October 3, 2017

university graduates in Japan used GROW, an artificial intelligence platform and mobile app developed by Tokyo-based people analytics startup IGS, to recruit for a job. This case puts participants in the shoes of IGS founder and CEO... View Details

Keywords: by Sean Silverthorne

May 2024
Article

Housing Policies and Energy Efficiency Spillovers in Low and Moderate Income Communities

By: Omar Isaac Asensio, Olga Churkina, Becky D. Rafter and Kira E O'Hare

Housing policies address the human dimensions of increasing urban density, but their energy and sustainability implications are hard to measure due to challenges with siloed civic data. This is especially critical when evaluating policies targeting low- and... View Details

Keywords: Energy Efficiency; Public Policy; Climate Change; Energy Conservation; Housing; Analytics and Data Science; Policy; Income; Environmental Sustainability; Real Estate Industry; United States

2023
Working Paper

The Customer Journey as a Source of Information

By: Nicolas Padilla, Eva Ascarza and Oded Netzer

In the face of heightened data privacy concerns and diminishing third-party data access, firms are placing increased emphasis on first-party data (1PD) for marketing decisions. However, in environments with infrequent purchases, reliance on past purchases 1PD... View Details

Keywords: Customer Journey; Privacy; Consumer Behavior; Analytics and Data Science; AI and Machine Learning; Customer Focus and Relationships

February 2019 (Revised August 2019)
Case

Maccabitech: The Promise of Israel's Healthcare Data

By: Scott Duke Kominers and Carin-Isabel Knoop

Dr. Varda Shalev bridges technology and medicine through Maccabitech, a "research and innovation wing" of Israel's Maccabi Healthcare Services (MHS) that partners with research institutions, pharmaceutical companies, and startups. Shalev hopes to scale Maccabitech's... View Details

Keywords: Big Data; Healthcare; Analytics and Data Science; Digital Platforms; Health Care and Treatment; Innovation and Invention; Research; Entrepreneurship; Risk Management; Israel

January 2004
Case

Macroeconomic Policy and the State of the U.S. Economy, 2003

By: David A. Moss

Based on excerpts from Federal Reserve Chairman Alan Greenspan's testimony before the U.S. Senate Committee on Banking, Housing, and Urban Affairs on July 16, 2003, as well as economic data that were available to Chairman Greenspan at the time. Taken together, the text... View Details

Keywords: Macroeconomics; Banks and Banking; Policy; Housing; Analytics and Data Science; Problems and Challenges; Urban Development; United States

December 2010
Background Note

Risk and Reward in Venture Capital

By: William A. Sahlman

This note describes the payoff structure of investment in individual venture capital–backed companies and in venture capital portfolios. Venture Capital investments are characterized by high failure rate (0ver 50%) and a small number of given successes (greater than... View Details

Keywords: Capital Markets; Venture Capital; Investment Return; Investment Portfolio; Analytics and Data Science; Failure; Performance; Information Technology

July 2025
Article

Digital Lending and Financial Well-Being: Through the Lens of Mobile Phone Data

By: AJ Chen, Omri Even-Tov, Jung Koo Kang and Regina Wittenberg-Moerman

To mitigate information asymmetry about borrowers in developing economies, digital lenders use machine-learning algorithms and nontraditional data from borrowers’ mobile devices. Consequently, digital lenders have managed to expand access to credit for millions of... View Details

Keywords: Informal Economy; Digital Banking; Mobile Phones; Developing Countries and Economies; Mobile and Wireless Technology; AI and Machine Learning; Analytics and Data Science; Credit; Borrowing and Debt; Well-being; Banking Industry; Kenya

26 Jul 2016
Research & Ideas

Where will Pokémon Go with Your Personal Information?

all time. Data analytics firm Similar Web reported that in its first week alone, the app had been installed on nearly 11 percent of all Android phones in the United States, and surpassed Twitter’s daily usage shortly thereafter. Pokémon... View Details

Keywords: Re: Willy C. Shih; Video Game; Entertainment & Recreation

02 Jul 2001
Research & Ideas

George C. Lodge

as a multidisciplinary analytical tool for comparing countries and understanding change within a particular nation. In his award-winning 1975 book, The New American Ideology, and nine years later in The American Disease, Lodge urged... View Details

Keywords: by Staff

2023
Working Paper

An Experimental Design for Anytime-Valid Causal Inference on Multi-Armed Bandits

By: Biyonka Liang and Iavor I. Bojinov

Typically, multi-armed bandit (MAB) experiments are analyzed at the end of the study and thus require the analyst to specify a fixed sample size in advance. However, in many online learning applications, it is advantageous to continuously produce inference on the... View Details

Keywords: Analytics and Data Science; AI and Machine Learning; Mathematical Methods

October 1, 2021
Article

An Evaluation of Cross-efficiency Methods: With an Application to Warehouse Performance.

By: B.M. Balk, M.R. De Koster, Christian Kaps and J.L. Zofio

Cross-efficiency measurement is an extension of Data Envelopment Analysis that allows for tie-breaking ranking of the Decision Making Units (DMUs) using all the peer evaluations. In this article we examine the theory of cross-efficiency measurement by comparing a... View Details

Keywords: Efficiency Analysis; Performance Benchmarking; Warehousing; Analytics and Data Science; Performance Evaluation; Measurement and Metrics; Mathematical Methods