Publications

2021
Working Paper

Pandemic Schooling Mode and Student Test Scores: Evidence from U.S. States

By: Clare Halloran, Rebecca Jack, James C. Okun and Emily Oster

We estimate the impact of district-level schooling mode (in-person versus hybrid or distance learning) on test scores. We combine Spring 2021 state standardized test score data with comprehensive data on schooling in the 2020-21 school year across 12 states. We find... View Details

Keywords: COVID-19 Pandemic; In-person Schooling; Distance Learning; Outcomes Measurement; Health Pandemics; Education; Performance Evaluation

June 2022 (Revised January 2023)
Case

Buurtzorg

By: Ethan Bernstein, Tatiana Sandino, Joost Minnaar and Annelena Lobb

As co-founders of home nursing company Buurtzorg, Jos de Blok and Gonnie Kronenberg prized both self-management and organizational learning. Buurtzorg’s 10,000 nurses across 950 neighborhood nursing teams in the Netherlands were empowered to manage themselves, both in... View Details

Educators

Purchase

May 2022 (Revised July 2022)
Case

The Voice War Continues: Hey Google vs. Alexa vs. Siri in 2022

By: David B. Yoffie and Daniel Fisher

In 2022, after five years of pursuing a new "AI-first" strategy, Google had captured a sizeable share of the American and global markets for voice assistants. Google Assistant was used by hundreds of millions of users around the world, but Amazon retained the largest... View Details

Keywords: Strategy; Artificial Intelligence; Deep Learning; Voice Assistants; Smart Home; Market Share; Globalized Markets and Industries; Competitive Strategy; Digital Platforms; AI and Machine Learning; Technology Industry; United States

Educators

Purchase

12 Apr 2022
Research & Ideas

Swiping Right: How Data Helped This Online Dating Site Make More Matches

The modern world is fueled by matchmaking. Going out on the town? Uber pairs you with a driver you can choose based on ratings, proximity, and even car model. Craving a vacation? Simply filter getaways based on locale and price through... View Details

Keywords: by Kara Baskin

Article

Algorithms Need Managers, Too

By: Michael Luca, Jon Kleinberg and Sendhil Mullainathan

Algorithms are powerful predictive tools, but they can run amok when not applied properly. Consider what often happens with social media sites. Today many use algorithms to decide which ads and links to show users. But when these algorithms focus too narrowly on... View Details

Keywords: Machine Learning; Algorithms; Predictive Analytics; Management; Big Data; Analytics and Data Science

Register to Read

June 2020
Article

Parallel Play: Startups, Nascent Markets, and the Effective Design of a Business Model

By: Rory McDonald and Kathleen Eisenhardt

Prior research advances several explanations for entrepreneurial success in nascent markets but leaves a key imperative unexplored: the business model. By studying five ventures in the same nascent market, we develop a novel theoretical framework for understanding how... View Details

Keywords: Search; Legitimacy; Organizational Innovation; Organizational Learning; Mechanisms And Processes; Institutional Entrepreneurship; Qualitative Methods; Business Model Design; Business Model; Business Startups; Entrepreneurship; Emerging Markets; Adaptation; Competition; Strategy

09 Jun 2022
HBS Case

From Truck Driver to Manager: US Foods’ Novel Approach to Staff Shortages

in March 2020, the pandemic only exacerbated a longstanding issue. The shortage of drivers to deliver food supplies to the roughly 300,000 restaurants, hotels, hospitals, schools, and universities serviced by US Foods was not its only... View Details

Keywords: by Pamela Reynolds

Research Summary

Overview

Phil's work aims to identify the drivers of performance for healthcare organizations and providers, and the mechanisms by which this performance can change over time. In complex healthcare settings, the optimal choice of treatment can be highly ambiguous. As a... View Details

Keywords: Primary Care; Medical Decision-making; Learning By Doing; Healthcare Organizations; Healthcare Operations; Health Economics

07 Sep 2021
Research & Ideas

Who Pays For Wildfire and Hurricane Damage? Everyone.

New Mexico homeowners might think their inland location buffers them from the financial toll of climate change, but they’re still paying for climate-related property damage occurring in coastal states. New research finds that homeowners in New Mexico and other states... View Details

Keywords: by Kristen Senz; Insurance

February 2018
Article

Retention Futility: Targeting High-Risk Customers Might Be Ineffective.

By: Eva Ascarza

Companies in a variety of sectors are increasingly managing customer churn proactively, generally by detecting customers at the highest risk of churning and targeting retention efforts towards them. While there is a vast literature on developing churn prediction models... View Details

Keywords: Retention/churn; Proactive Churn Management; Field Experiments; Heterogeneous Treatment Effect; Machine Learning; Customer Relationship Management; Risk Management