Publications

2018
Working Paper

Measuring Gentrification: Using Yelp Data to Quantify Neighborhood Change

By: Edward L. Glaeser, Hyunjin Kim and Michael Luca

We demonstrate that data from digital platforms such as Yelp have the potential to improve our understanding of gentrification, both by providing data in close to real time (i.e., nowcasting and forecasting) and by providing additional context about how the local... View Details

Keywords: Geographic Location; Local Range; Transition; Analytics and Data Science; Measurement and Metrics; Forecasting and Prediction

September 2020 (Revised July 2022)
Case

Tulsa Remote: Moving Talent to Middle America

By: Prithwiraj (Raj) Choudhury, Emma Salomon and Brittany Logan

Tulsa Remote sought to attract a diverse group of remote workers to the city of Tulsa, Oklahoma—and was willing to put its money where its mouth was, offering $10,000 and a range of wraparound services for its program participants. After a successful pilot year, which... View Details

Keywords: Remote Work; Relocation; COVID-19 Pandemic; Community; Employment; Internet and the Web; Geographic Location; Programs; Employees; Diversity; Recruitment; Oklahoma; Tulsa

2023
Working Paper

Corporate Website-based Measures of Firms' Value Drivers

By: Wei Cai, Dennis Campbell and Patrick Ferguson

We develop and validate new text-based measures of firms’ financial and non-financial value drivers. Using the Wayback Machine to access public US firms’ archived websites from 1995-2020, we scrape text from corporate homepages. We use Kaplan and Norton’s (1992)... View Details

Keywords: Value; Corporate Strategy; Accounting; Analytics and Data Science

April 2016 (Revised May 2016)
Case

Hôpital Universitaire de Mirebalais, Partners In Health in Haiti

By: Robert S. Kaplan, Bipin Mistry and Karla Bertrand

The case describes the application of Time-Driven Activity-Based Costing (TDABC) at a new tertiary hospital, operated by Partners in Health in Mirebelais, Haiti. A project team mapped the clinical processes for use in estimating the direct costs of personnel,... View Details

Keywords: Time-Driven Activity-Based Costing; Activity Based Costing and Management; Cost Accounting; Developing Countries and Economies; Health Care and Treatment; Health Industry; Haiti

April 2025
Article

Skill Dependencies Uncover Nested Human Capital

By: Moh Hosseinioun, Frank Neffke, Letian Zhang and Hyejin Youn

Modern economies require increasingly diverse and specialized skills, many of which depend on the acquisition of other skills first. Here we analyse US survey data to reveal a nested structure within skill portfolios, where the direction of dependency is inferred... View Details

Keywords: Competency and Skills; Human Capital; Personal Development and Career; Equality and Inequality; Analytics and Data Science

Find at Harvard

2020
Working Paper

Design Rules, Volume 2: How Technology Shapes Organizations: Chapter 4 The Mirroring Hypothesis: Linkages Inside and Across Transaction Free Zones

By: Carliss Y. Baldwin

A technology is a specific way to achieve a material goal. It describes a feasible path—a recipe—by which a group of people can arrive at a goal that none could achieve individually. Technical recipes thus require linkages between and among the various contributors to... View Details

Keywords: Modularity; Mirroring Hypothesis; Information Technology; Organizations

SSRN

12 Sep 2017
First Look

First Look at New Research and Ideas, September 12, 2017

external shocks. A quantitative exercise of the Brazilian economy suggests this strategy to be effective for smoothing consumption and reducing the occurrence of default. The Better Is the Enemy of the Good By: Exley, Christine L., and... View Details

Keywords: Carmen Nobel

September 2001
Background Note

Note on Application of the Antitrust Laws to the New Economy: An Analysis of United States v. Microsoft Corporation

Analyzes the 1991 decision of the U.S. Court of Appeals for the District of Columbia Circuit in the seminal New Economy antitrust case United States vs. Microsoft Corp., 253 F.3rd 34 (D.C. Cir. 2001), which arose out of Microsoft's efforts to promote Internet Explorer... View Details

Keywords: Lawsuits and Litigation; Software; Intellectual Property; Monopoly; Laws and Statutes; Information Technology Industry; District of Columbia

07 Aug 2012
Working Paper Summaries

Financial vs. Strategic Buyers

Keywords: by Marc Martos-Vila, Matthew Rhodes-Kropf & Jarrad Harford

22 Mar 2024
Research & Ideas

Open Source Software: The $9 Trillion Resource Companies Take for Granted

What does it take to put a price tag on open source software (OSS), a resource so critical to the global economy that some 96 percent of commercial programs include some code created, tinkered with, or distributed for free by... View Details

Keywords: by Rachel Layne; Information Technology; Information Technology; Information Technology

2007
Working Paper

Platform Envelopment

By: Thomas Eisenmann, Geoffrey Parker and Marshall Van Alstyne

Due to network effects and switching costs in platform markets, entrants generally must offer revolutionary functionality. We explore a second entry path that does not rely upon Schumpeterian innovation: platform envelopment. Through envelopment, a provider in one... View Details

Keywords: Digital Platforms; Market Entry and Exit; Network Effects

2023
Working Paper

Targeting, Personalization, and Engagement in an Agricultural Advisory Service

By: Susan Athey, Shawn Cole, Shanjukta Nath and Jessica Zhu

ICT is increasingly used to deliver customized information in developing countries. We examine whether individually targeting the timing of automated voice calls meaningfully increases engagement in an agricultural advisory service. We define, estimate, and... View Details

Keywords: Developing Countries and Economies; Knowledge Dissemination; Customization and Personalization; Performance Effectiveness

2022
Working Paper

Where the Cloud Rests: The Location Strategies of Data Centers

By: Shane Greenstein and Tommy Pan Fang

This study provides an analysis of the entry strategies of third-party data centers in the United States. We examine the market before the pandemic in 2018 and 2019, when supply and demand for data services were geographically stable. We compare with the entry... View Details

Keywords: Cloud Computing; Location Strategies; Data Centers; Information Infrastructure

February 2000 (Revised August 2000)
Case

Boston.com

By: Thomas R. Eisenmann and Jon K Rust

How aggressively should an incumbent move when developing an online business that threatens its core product? With Internet competitors taking direct aim at the traditional print newspaper business model, the Boston Globe fought back with its own web initiative,... View Details

Keywords: Corporate Entrepreneurship; Decision Making; Change Management; Internet and the Web; Customer Relationship Management; Competitive Strategy; Information Technology Industry; Information Technology Industry; United States

29 Jul 2019
Research & Ideas

How Companies Benefit When Employees Work Remotely

of value to the US economy each year, the researchers estimate. Sources: US Patent and Trademark Office; “(Live) and Work from Anywhere: Geographic Flexibility and Productivity Effects at the United States Patent Office” by Prithwiraj... View Details

Keywords: by Kristen Senz

2008
Working Paper

The Internalization of Advertising Services: An Inter-Industry Analysis

By: Sharon Horsky, Steven C. Michael and Alvin J. Silk

The common perception appears to be that vertical integration of advertising services is more the exception than the rule in the U.S. advertising industry. This study investigates the extent of such outsourcing and examines inter-industry variation in the use of... View Details

Keywords: Advertising; Cost; Analytics and Data Science; Management Analysis, Tools, and Techniques; Service Operations; Creativity; Perception; Vertical Integration; Information Technology; Advertising Industry; United States