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Why don’t organizations test more? After examining this question for several years, I can tell you that a central reason is culture. As companies try to scale up their experimentation capacity, they often find that the obstacles are not tools and technology but... View Details

2008
Working Paper

Market Reaction to the Adoption of IFRS in Europe

By: Christopher S. Armstrong, Mary E. Barth, Alan D. Jagolinzer and Edward J. Riedl

This study examines the European stock market reaction to sixteen events associated with the adoption of International Financial Reporting Standards (IFRS) in Europe. European IFRS adoption represented a major milestone towards financial reporting convergence yet... View Details

Keywords: Financial Reporting; International Accounting; Financial Markets; Code Law; Standards; Adoption; Europe

Article

Assessing the Value of Pediatric Aerodigestive Care

By: Robert S. Kaplan, Chris Hartnick, Mahek Shah, Steven M. Coppess, Alisa Yamasaki, Kaalan E. Johnson, Jeremy Prager, Christopher T. Wootten, Thomas Gallagher and Evan Propst

Leaders at six hospitals conducted a research study to assess and compare the health outcomes and costs of pediatric aerodigestive care. Four of the hospitals delivered care with an integrated practice unit (IPU) while two delivered care traditionally, with isolated... View Details

Keywords: Time-Driven Activity-Based Costing; Value-based Health Care; Integrated Practice Unit; Health Care and Treatment; Cost Management; Performance Improvement

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I think that most business school research should examine and help solve real-world problems that managers are facing--or that they might face in the future. This means that these scholars need to choose relevant research questions, and propose and test hypotheses... View Details

Research Summary

Management Control Issues of International Ventures

William J. Bruns, Jr. is conducting (with Sharon M. McKinnon of Northeastern University) a field study of control issues that arise in international ventures between U.S. and European companies. Bruns' research is aimed at answering questions raised by earlier... View Details

March 2015
Article

Inside the “Black Box” of Sell-Side Financial Analysts

By: Lawrence D. Brown, Andrew C. Call, Michael B. Clement and Nathan Y. Sharp

Our objective is to penetrate the “black box” of sell-side financial analysts by providing new insights into the inputs analysts use and the incentives they face. We survey 365 analysts and conduct 18 follow-up interviews covering a wide range of topics, including the... View Details

Keywords: Knowledge Use and Leverage; Investment; Analysis; Forecasting and Prediction; Stocks; Financial Services Industry

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July 2023
Article

Design and Analysis of Switchback Experiments

By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao

In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted... View Details

Keywords: Switchback Experiments; Design; Analysis; Mathematical Methods

06 May 2025
Video

IKEA’s climate transformation journey with CEO Jesper Brodin

Article

Potentially Long-Lasting Effects of the Pandemic on Scientists

By: Jian Gao, Yian Yin, Kyle R. Myers, Karim R. Lakhani and Dashun Wang

Two surveys of principal investigators conducted between April 2020 and January 2021 reveal that while the COVID-19 pandemic’s initial impacts on scientists’ research time seem alleviated, there has been a decline in the rate of initiating new projects. This dimension... View Details

Keywords: COVID-19; Scientists; Scientific Research; Health Pandemics; Research; Gender

November 2024
Supplement

AlphaGo (C): Birth of a New Intelligence

By: Shikhar Ghosh and Shweta Bagai

This case, the final of a three-part series, explores DeepMind's pivotal transition from mastering games to solving real-world scientific challenges. In December 2020, DeepMind's AI system AlphaFold 2 achieved a breakthrough by solving protein folding—a 50-year-old... View Details

Keywords: Autonomy; Deep Learning; Drug Discovery; Healthcare Innovation; Neural Networks; Scientific Research; Technology Startup; AI and Machine Learning; Technological Innovation; Research and Development; Business Model; Business Strategy; Open Source Distribution; Technology Industry; United States

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February 2015
Other Article

Evaluating the Impact of the Baby-Friendly Hospital Initiative on Breast-feeding Rates: A Multi-state Analysis

By: Summer Sherburne Hawkins, Ariel Dora Stern, Christopher F. Baum and Matthew W. Gillman

Objectives: Despite the passage of state laws promoting breast feeding, a formal evaluation has not yet been conducted to test whether and/or what type of laws may increase breast feeding. The enactment of breastfeeding laws in different states in the USA creates a... View Details

Keywords: Race; Nutrition; Laws and Statutes; United States

Research Summary

The Competitive Advantage of Nations and Regions

By: Michael E. Porter

Michael E. Porter continues to extend his study first reported in The Competitive Advantage of Nations. Porter has published books and studies of other countries, states, and cities, including Canada, New Zealand, Portugal, the Commonwealth of Massachusetts,... View Details

June 2014
Article

The Price of Wall Street's Power

By: Gautam Mukunda

Over and over again, executives make decisions that aren't in their companies' best interests, in response to pressure from Wall Street. Though many believe this happens because firms have a "fiduciary duty" to maximize shareholder returns, U.S. executives do not, as a... View Details

2020
Working Paper

Design and Analysis of Switchback Experiments

By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao

In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted... View Details

Keywords: Switchback Experiments; Design; Analysis; Mathematical Methods

07 Feb 2024
News

The Sound of Success

researchers from the other four other trials around the world presented their findings at the winter meeting of the Association for Research in Otolaryngology. While trials will need to be conducted on many... View Details

October 2023
Article

Laboratory Safety and Research Productivity

By: Alberto Galasso, Hong Luo and Brooklynn Zhu

Are laboratory safety practices a tax on scientific productivity? We examine this question by exploiting the substantial increase in safety regulations at the University of California following the shocking accidental death of a research assistant in 2008.... View Details

Keywords: Economics Of Science; Risk Perception; Safety Regulations; Governing Rules, Regulations, and Reforms; Working Conditions; Safety; Performance Productivity

March–April 2020
Article

Avoid the Pitfalls of A/B Testing

By: Iavor I. Bojinov, Guillaume Sait-Jacques and Martin Tingley

Online experiments measuring whether “A,” usually the current approach, is inferior to “B,” a proposed improvement, have become integral to the product-development cycle, especially at digital enterprises. But often firms make serious mistakes in conducting these... View Details

Keywords: A/B Testing; Experiment Design; Social Networks; Product Development; Performance Improvement; Measurement and Metrics; Social Media