Publications

May 2023
Article

Self-Preferencing at Amazon: Evidence from Search Rankings

By: Chiara Farronato, Andrey Fradkin and Alexander MacKay

We study whether Amazon engages in self-preferencing on its marketplace by favoring its own brands (e.g., Amazon Basics) in search. To address this question, we collect new micro-level consumer search data using a custom browser extension installed by a panel of study... View Details

Keywords: Consumer Behavior; E-commerce; Product Positioning; Brands and Branding

16 Jan 2019
News

What is the true cost of caregiving on the workforce?

Teaching Interest

Overview

Michael has experience in both lecture-based and experiential education teaching methods.

He designed and teaches a 2-day professional development course at Harvard titled “Collaborative Leadership: Building the Organization of the Future” that provides... View Details

July 2025
Article

Reputation Burning: Analyzing the Impact of Brand Sponsorship on Social Influencers

By: Mengjie Cheng and Shunyuan Zhang

The growth of the influencer marketing industry warrants an empirical examination of the effect of posting sponsored videos on influencers' reputations. We collected a novel dataset of user-generated YouTube videos created by prominent English-speaking influencers in... View Details

Keywords: Reputation; Mathematical Methods; Marketing Reference Programs; Social Media; Brands and Branding

Web

Faculty & Research

little or no experience? Motivated by survey data on beliefs about Covid we collected in 2020, we build a model based on the psychology of selective memory. When a person thinks about an event, different experiences compete for retrieval,... View Details

July 2023 (Revised July 2023)
Background Note

Generative AI Value Chain

By: Andy Wu and Matt Higgins

Generative AI refers to a type of artificial intelligence (AI) that can create new content (e.g., text, image, or audio) in response to a prompt from a user. ChatGPT, Bard, and Claude are examples of text generating AIs, and DALL-E, Midjourney, and Stable Diffusion are... View Details

Keywords: AI; Artificial Intelligence; Model; Hardware; Data Centers; AI and Machine Learning; Applications and Software; Analytics and Data Science; Value

Educators

2021
Working Paper

Time and the Value of Data

By: Ehsan Valavi, Joel Hestness, Newsha Ardalani and Marco Iansiti

Managers often believe that collecting more data will continually improve the accuracy of their machine learning models. However, we argue in this paper that when data lose relevance over time, it may be optimal to collect a limited amount of recent data instead of... View Details

Keywords: Economics Of AI; Machine Learning; Non-stationarity; Perishability; Value Depreciation; Analytics and Data Science; Value

SSRN

2012
Book

Sleeping with Your Smartphone: How to Break the 24-7 Habit and Change the Way you Work

By: Leslie A. Perlow

Does it have to be this way? Can't resist checking your smartphone or mobile device? Sure, all this connectivity keeps you in touch with your team and the office—but at what cost? In "Sleeping with Your Smartphone," Leslie Perlow reveals how you can disconnect and... View Details

Keywords: Time Management; Internet and the Web; Groups and Teams; Performance Productivity; Globalized Firms and Management; Service Industry

July 2020
Article

Healthy Business? Managerial Education and Management in Healthcare

By: Nicholas Bloom, Renata Lemos, Raffaella Sadun and John Van Reenen

We investigate the link between hospital performance and managerial education by collecting a large database of management practices and skills in hospitals across nine countries. We find that hospitals that are closer to universities offering both medical education... View Details

Keywords: Management; Hospitals; Mortality; Education; Health Care and Treatment; Performance Improvement; Business Education; Management Practices and Processes

January 2010 (Revised April 2010)
Case

Credit Suisse Group: Managing Equity Research as a Business

By: Boris Groysberg, Paul M. Healy and Sarah Abbott

In 2003, in the midst of industry turmoil and company-specific challenges, Stefano Natella was named Global Head of Equity Research at Credit Suisse. Over a six-year period, Natella implemented and refined a new methodology for valuing equity research analysts, both... View Details

Keywords: Business Model; Change Management; Customer Satisfaction; Compensation and Benefits; Selection and Staffing; Balanced Scorecard; Organizational Change and Adaptation; Financial Services Industry

Educators

19 May 2015
News

The Must-Have Effect: When an Upgrade is Available, People Tend to Break What They'd Like to Replace

15 Jun 2018
News

The Importance of Purpose in Technology & Innovation

2020
Working Paper

HBS COVID-19 Global Policy Tracker

By: Alberto Cavallo and Tannya Cai

The HBS COVID-19 Global Policy Tracker is an initiative by the Business, Government and the International Economy (BGIE) unit at Harvard Business School (HBS) to collect and standardize economic policies implemented as a response to the coronavirus pandemic around the... View Details

Keywords: COVID-19; Economics; Policy; Health Pandemics; Government and Politics; Global Range

24 Mar 2016
News

Gun Manufacturers Need to Lead Change, Not Just Follow the Law

2010
Chapter

Unlocking the Slices of Genius in Your Organization: Leading for Innovation

By: Linda A. Hill, Maurizio Travaglini, Greg Brandeau and Emily Stecker

There is a widespread consensus that innovation is fast becoming the principal source of differentiation and competitive advantage in today's knowledge-intensive economy. But until we reframe our understanding of what innovation and leadership are all about, we fear... View Details

Keywords: Innovation and Invention; Leadership; Practice; Competitive Advantage

Forthcoming
Article

Regulatory Incentives for Innovation: The FDA's Breakthrough Therapy Designation

By: Amitabh Chandra, Jennifer Kao, Kathleen L. Miller and Ariel Dora Stern

Regulators of new products confront a tradeoff between speeding a product to market and collecting additional product quality information. The FDA's Breakthrough Therapy Designation (BTD) provides an opportunity to understand if regulators can use new policy to... View Details

Keywords: Innovation and Invention; Governing Rules, Regulations, and Reforms; Government Administration; Research and Development; Pharmaceutical Industry

Register to Read

Article

Are Online and Offline Prices Similar? Evidence from Large Multi-Channel Retailers

By: Alberto Cavallo

Online prices are increasingly used for measurement and research applications, yet little is known about their relation to prices in physical stores, where most retail transactions occur. I conduct the first large-scale comparison of prices simultaneously collected... View Details

Keywords: Online Prices; Offline Prices; Multi-channel Retailers; Price; Internet and the Web; Measurement and Metrics; Retail Industry

October 2003 (Revised March 2004)
Case

Symbian: Setting the Mobility Standard

By: Fernando F. Suarez and Thomas R. Eisenmann

Symbian, a joint venture owned by companies who collectively sold a dominant share of the world's cell phones, faced competition from Microsoft in developing the operating system for "smartphones," which integrated mobile communications and computing functions. In... View Details

Keywords: Competition; Joint Ventures; Information Technology; Software; Wireless Technology; Mobile Technology; Information Technology Industry; Telecommunications Industry