Publications

30 Oct 2018
First Look

New Research and Ideas, October 30, 2018

Developing Theory Using Machine Learning Methods By: Choudhury, Prithwiraj, Ryan Allen, and Michael G. Endres Abstract—We describe how to employ machine learning (ML) methods in theory development. Compared to traditional causal inference... View Details

Keywords: Dina Gerdeman

08 Mar 2016
First Look

March 8, 2016

approaches can be reconciled through the Lean Strategy process, which ensures that startups innovate in a disciplined fashion and make the most of their limited resources by knowing "what not to do." Deliberate strategy sets the... View Details

Keywords: Sean Silverthorne

December 2015
Case

IDEO: Human-Centered Service Design

By: Ryan W. Buell and Andrew Otazo

The case describes IDEO, one of the world's leading design firms, and its human-centered innovation culture and processes. It is an example of what managers can do to make their own organizations more innovative. In reaction to a rapidly changing competitive landscape,... View Details

Keywords: Design Thinking; Innovation; Service Management; Service; Design; Service Delivery; Innovation and Management; Entertainment and Recreation Industry; Peru

March 2018
Supplement

Improving Access at VA

By: Ryan W. Buell and Robert S. Huckman

In 2015, the Department of Veterans Affairs (VA) ran the largest healthcare system in the United States, with over 1,700 sites of care that served nearly 9 million veterans. One year earlier, a scandal had erupted over a cover-up of the excessive wait times veterans... View Details

Keywords: Service Operations; Service Delivery; Social Issues; Health Care and Treatment; Government Administration; Performance Improvement; Public Administration Industry; Health Industry; United States

Fourth Quarter 2017
Article

Optimal Tilts: Combining Persistent Characteristic Portfolios

By: Malcolm Baker, Ryan Taliaferro and Terry Burnham

We examine the optimal weighting of four tilts in U.S. equity markets from 1968 through 2014. We define a “tilt” as a characteristic-based portfolio strategy that requires relatively low annual turnover. This is a continuum, with small size (a very persistent... View Details

Keywords: Risk Anomaly; Beta; Capital Asset Pricing Model; Factor Investing

September 2014 (Revised June 2016)
Case

Whole Foods: The Path to 1,000 Stores

By: David F. Drake, Ryan W. Buell, Melissa Barton, Taylor Jones, Katrina Keverian and Jeffrey Stock

The case examines the operations strategy of Whole Foods, one of the largest natural grocery chains in the United States. In late 2013, Whole Foods was expanding rapidly, with a publicly-stated goal of growing from 351 to 1,000 domestic stores by 2022. It was also... View Details

Keywords: Human Capital; Food; Expansion; Market Entry and Exit; Operations; Strategy; Retail Industry; Food and Beverage Industry; United States

24 Dec 2013
First Look

First Look: December 24

differs by firm ownership. We study CEOs in the Indian manufacturing sector, where family ownership is widespread and the productivity dispersion across firms is substantial. Time use analysis of 356 CEOs of listed firms yields three sets... View Details

Keywords: Carmen Nobel

April 2011 (Revised June 2011)
Case

Internet Securities, Inc.: Path to Sustainability

By: Lynda M. Applegate, William R. Kerr and Ryan Johnson

Founded in 1994 when the Internet was still a "toy for techies," the case is set in 1998 when Internet IPOs were red-hot. Internet Securities provides hard-to-find financial, business, economic, and political information on emerging markets. Information from over 600... View Details

Keywords: Acquisition; Business Model; Business Startups; Decision Choices and Conditions; Venture Capital; Cash Flow; Initial Public Offering; Analytics and Data Science; Growth and Development Strategy; Valuation

March 2018 (Revised February 2020)
Teaching Note

Improving Access at VA

By: Ryan W. Buell and Robert S. Huckman

In 2015, the Department of Veterans Affairs (VA) ran the largest healthcare system in the United States, with over 1,700 sites of care that served nearly 9 million veterans. One year earlier, a scandal had erupted over a cover-up of the excessive wait times veterans... View Details

Keywords: Service Operations; Service Delivery; Social Issues; Health Care and Treatment; Government Administration; Performance Improvement; Public Administration Industry; Health Industry; United States

January 2021
Article

Machine Learning for Pattern Discovery in Management Research

By: Prithwiraj Choudhury, Ryan Allen and Michael G. Endres

Supervised machine learning (ML) methods are a powerful toolkit for discovering robust patterns in quantitative data. The patterns identified by ML could be used for exploratory inductive or abductive research, or for post-hoc analysis of regression results to detect... View Details

Keywords: Machine Learning; Supervised Machine Learning; Induction; Abduction; Exploratory Data Analysis; Pattern Discovery; Decision Trees; Random Forests; Neural Networks; ROC Curve; Confusion Matrix; Partial Dependence Plots; AI and Machine Learning

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2019
Working Paper

The Customer May Not Always Be Right: Customer Compatibility and Service Performance

By: Ryan W. Buell, Dennis Campbell and Frances X. Frei

This paper investigates the impact of customer compatibility – the degree of fit between the needs of customers and the capabilities of the operations serving them – on customer experiences and firm performance. We use a variance decomposition analysis to quantify the... View Details

Keywords: Customer Compatibility; Satisfaction; Profitability; Customer Relationship Management; Service Operations; Customer Satisfaction; Banking Industry; Retail Industry