Publications

February 2022
Article

Taxation and Innovation in the 20th Century

By: Ufuk Akcigit, John Grigsby, Tom Nicholas and Stefanie Stantcheva

This paper studies the effect of corporate and personal taxes on innovation in the United States over the twentieth century. We build a panel of the universe of inventors who patent since 1920, and a historical state-level corporate tax database with corporate tax... View Details

Keywords: Innovation; Income Taxes; Corporate Taxation; Firms; Inventors; State Taxation; Business Taxation; R＆D Tax Credits; Taxation; Innovation and Invention; History; United States

2012
Working Paper

The Determinants of National Competitiveness

By: Mercedes Delgado, Christian Ketels, Michael E. Porter and Scott Stern

We define foundational competitiveness as the expected level of output per working-age individual that is supported by the overall quality of a country as a place to do business. The focus on output per potential worker, a broader measure of national productivity than... View Details

Keywords: Country; Competition; Microeconomics; Macroeconomics

2008
Working Paper

Economic Factors Underlying the Unbundling of Advertising Agency Services

By: Mohammad Arzaghi, Ernst R. Berndt, James C. Davis and Alvin J. Silk

This paper addresses a longstanding puzzle involving the unbundling of services that has occurredover more than two decades in the U.S. advertising agency industry: How can the shift from the bundling to the unbundling of services be explained and what accounts for the... View Details

Keywords: Transformation; Framework; Service Operations; Decisions; Relationships; Price; Diversification; Geography; Cost; Advertising Industry; United States

April 2020
Article

CEO Behavior and Firm Performance

By: Oriana Bandiera, Stephen Hansen, Andrea Prat and Raffaella Sadun

We measure the behavior of 1,114 CEOs in six countries parsing granular CEO diary data through an unsupervised machine learning algorithm. The algorithm uncovers two distinct behavioral types: "leaders" and "managers." Leaders focus on multi-function, high-level... View Details

Keywords: CEOs; Management; Behavior; Organizations; Performance; Analysis

May 29, 2019
Article

A Study of More Than 250 Platforms Reveals Why Most Fail

By: David B. Yoffie, Annabelle Gawer and Michael A. Cusumano

This piece explores why digital platforms fail. We collected data on 250 failures over the last 20 years, analyzed the most common causes for a platform to disappear or morph into an alternative business. View Details

Keywords: Platform; Digital Platforms; Strategy; Failure; Analysis

Register to Read

October 2021 (Revised June 2022)
Case

PittaRosso: Artificial Intelligence-Driven Pricing and Promotion

By: Ayelet Israeli

PittaRosso, a traditional Italian shoe retailer, is implementing an AI system to provide pricing and promotion recommendations. The system allows them to implement changes that would affect both the top of funnel and bottom of funnel activities for the company: once... View Details

Educators

19 May 2014
Research & Ideas

Why Companies Should Compete for Your Privacy

information. Social networking on Facebook would be of little value if users provided no personal information, and digital assistants such as Apple's Siri require access to consumers' location, contact lists, and calendar to be helpful. A consumer's shopping View Details

Keywords: by Dina Gerdeman; Consumer Products

2010
Book

The Comingled Code: Open Source and Economic Development

By: Josh Lerner and Mark Schankerman

Discussions of the economic impact of open source software often generate more heat than light. Advocates passionately assert the benefits of open source, while critics decry its effects. Missing from the debate is rigorous economic analysis and systematic... View Details

Keywords: Development Economics; Economic Growth; Policy; Government and Politics; Open Source Distribution; Software

16 Nov 2015
HBS Seminar

Vish Krishnan, Professor of Innovation, Technology & Operations, University of California San Diego Rady School of Man

Web

Faculty & Research

isolate the direct effects of tariff changes across product categories and trading partners. Our analysis reveals rapid pricing responses, though their magnitude remains modest relative to the announced tariff rates and varies by country... View Details

September 2024
Article

Activist Directors: Determinants and Consequences

By: Ian D. Gow, Sa-Pyung Sean Shin and Suraj Srinivasan

This paper examines determinants and consequences of hedge fund activism, focusing on activist directors, i.e., directors appointed in response to activist demands. Using a sample of 3,259 activism events from 2004 to 2016, we identify 1,623 activist directors.... View Details

Keywords: Governing and Advisory Boards; Investment Activism; Business and Shareholder Relations

2007
Working Paper

Incompatible Assumptions: Barriers to Producing Multidisciplinary Knowledge in Communities of Scholarship

By: Corinne Bendersky and Kathleen L. McGinn

Co-locating knowledge workers from different disciplines may be a necessary but insufficient step to generating multidisciplinary knowledge. We explore the role of assumptions underlying knowledge creation within the field of organizational studies, and investigate how... View Details

Keywords: Knowledge Management; Knowledge Sharing; Business Processes; Groups and Teams

TeachingInterests

Managing the Future of Work (MBA Education—Elective Curriculum)

By: Christopher T. Stanton

The nature and scope of work is changing rapidly, creating massive business challenges in the shadow of broader political and social shifts. HBS launched a major initiative in 2017 on Managing the Future of Work to define these workplace issues and... View Details

Jerry R. Green

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

September 2021
Supplement

Telepass: From Tolling to Mobility Platform

By: Chiara Farronato, Stefano Denicolai and Sarah Mehta

This supplementary dataset can be paired with the case entitled “Telepass: From Tolling to Mobility Platform” (case no. 622-011), to allow students the opportunity to analyze data before class. View Details

Keywords: Analysis; Change; Change Management; Transformation; Transition; Innovation and Invention; Strategy; Information Technology; Mobile and Wireless Technology; Transportation; Transportation Networks; Value; Value Creation; Technology Industry; Transportation Industry; Insurance Industry; Europe; Italy; Milan

13 Sep 2013
HBS Seminar

Nirupama Rao, NYC Wagner School of Public Service

13 Sep 2013
HBS Seminar

Nirupama Rao, NYU Wagner School of Public Service

11 Dec 2017
Working Paper Summaries

The Use and Misuse of Patent Data: Issues for Corporate Finance and Beyond

Keywords: by Josh Lerner and Amit Seru

September 16, 2022
Article

A Causal Test of the Strength of Weak Ties

By: Karthik Rajkumar, Guillaume Saint-Jacques, Iavor I. Bojinov, Erik Brynjolfsson and Sinan Aral

The authors analyzed data from multiple large-scale randomized experiments on LinkedIn’s People You May Know algorithm, which recommends new connections to LinkedIn members, to test the extent to which weak ties increased job mobility in the world’s largest... View Details

Keywords: Job Mobility; Social Networks; Social Ties; Networks; Personal Development and Career