Publications

August 2018 (Revised September 2018)
Supplement

LendingClub (B): Decision Trees & Random Forests

By: Srikant M. Datar and Caitlin N. Bowler

This case builds directly on the LendingClub (A) case. In this case students follow Emily Figel as she builds two tree-based models using historical LendingClub data to predict, with some probability, whether borrower will repay or default on his loan.
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Keywords: Data Science; Data Analytics; Decision Trees; Investment; Financing and Loans; Analytics and Data Science; Analysis; Forecasting and Prediction

June 2008 (Revised August 2008)
Case

World Wildlife Fund US

By: Jane Wei-Skillern and Kerry Herman

World Wildlife Fund US is a leading international conservation nonprofit that operates within a global network of WWF organizations. This case examines WWF US's strategy to achieve its mission of protecting natural wildlife and resources. In contrast to traditional... View Details

Keywords: Globalized Firms and Management; Partners and Partnerships; Environmental Sustainability; Nonprofit Organizations; Social and Collaborative Networks; Trust; Integration; Sumatra; United States

July 3, 2020
Article

Delivery Apps Need to Start Treating Suppliers As Partners

By: Scott Duke Kominers and Ian Macomber

Home delivery has shifted from a luxury service aimed at young urban professionals to a core part of many businesses, which is used by almost everyone. That upheaval has strained capacity of many delivery services and changed how they relate to the suppliers that they... View Details

Keywords: Service Delivery; Supply Chain; Performance Capacity; Performance Efficiency; Entrepreneurship

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March 2022 (Revised January 2025)
Technical Note

Prediction & Machine Learning

By: Iavor I. Bojinov, Michael Parzen and Paul Hamilton

This note provides an introduction to machine learning for an introductory data science course. The note begins with a description of supervised, unsupervised, and reinforcement learning. Then, the note provides a brief explanation of the difference between traditional... View Details

Keywords: Machine Learning; Data Science; Learning; Analytics and Data Science; Performance Evaluation; AI and Machine Learning

2011
Chapter

How Does Simplified Disclosure Affect Individuals' Mutual Fund Choices?

By: John Beshears, James J. Choi, David Laibson and Brigitte C. Madrian

We use an experiment to estimate the effect of the SEC's Summary Prospectus, which simplifies mutual fund disclosure. Our subjects chose an equity portfolio and a bond portfolio. Subjects received either statutory prospectuses or Summary Prospectuses. We find no... View Details

Keywords: Information; Corporate Disclosure; Decision Choices and Conditions; Consumer Behavior; Retirement; Personal Finance; Investment Funds; Microeconomics

April 2015 (Revised October 2024)
Case

The German Export Engine

By: Gunnar Trumbull, Jonathan Schlefer and Sophus A. Reinert

In fall of 2018, Germany’s chancellor Angela Merkel had logged significant successes. Germany was the largest exporter in the world, had maintained low unemployment through the 2008 financial crisis, and was gradually reforming its welfare state to meet future pension... View Details

Keywords: Economy; Economic Growth; Success; Leadership; Problems and Challenges; Germany

June 2005
Background Note

Overview of the Japanese Apparel Market

By: Rajiv Lal and Arar Han

Provides an overview of the Japanese apparel market, which was a 13.1 trillion yen industry in 2003, reflecting 5.5% year-over-year shrinkage since 1997, when retailers logged 17.5 trillion yen in sales. Compared to their global counterparts, Japanese apparel shoppers... View Details

Keywords: Trends; Financial Crisis; Trade; Emerging Markets; Sales; Luxury; Competition; Segmentation; Apparel and Accessories Industry; Apparel and Accessories Industry; Asia; China; Japan; Korean Peninsula

October 2017 (Revised November 2017)
Case

NYC311

By: Constantine E. Kontokosta, Mitchell Weiss, Christine Snively and Sarah Gulick

Joe Morrisroe, executive director for NYC311, had some gut instincts but no definitive answer to the question he was just asked by one of the mayor’s deputies: “Are some communities being underserved by 311? How do we know we are hearing from the right people?” Founded... View Details

2020
Book

The Power of Experiments: Decision-Making in a Data-Driven World

By: Michael Luca and Max H. Bazerman

Have you logged into Facebook recently? Searched for something on Google? Chosen a movie on Netflix? If so, you've probably been an unwitting participant in a variety of experiments—also known as randomized controlled trials—designed to test the impact of changes to an... View Details

Keywords: Experiments; Randomized Controlled Trials; Organizations; Decision Making; Analytics and Data Science; Management Analysis, Tools, and Techniques

2017
Article

Inflation Bets or Deflation Hedges? The Changing Risks of Nominal Bonds

By: John Y. Campbell, Adi Sunderam and Luis M. Viceira

The covariance between U.S. Treasury bond returns and stock returns has moved considerably over time. While it was slightly positive on average in the period 1953–2009, it was unusually high in the early 1980s and negative in the 2000s, particularly in the downturns of... View Details

Keywords: Inflation and Deflation; Bonds; Interest Rates; Investment Return; Risk Management

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January 2013 (Revised March 2013)
Course Overview Note

'Made in India': Human Capital at the Base of the Pyramid (TN)

By: Michel Anteby, Felicia Khan and John Ng

This teaching note, used in conjunction with excerpts from the 2010 documentary film "Made in India" (directed and produced by Rebecca Haimowitz and Vaishali Sinha) provides students with an opportunity to explore what constitutes human capital and the moral issues... View Details

Keywords: Human Capital; India; United States

May 2007
Article

Inner Work Life: Understanding the Subtext of Business Performance

By: Teresa M. Amabile and Steven J. Kramer

Anyone in management knows that employees have their good days and their bad days and that, for the most part, the reasons for their ups and downs are unknown. Most managers simply shrug their shoulders at this fact of work life. But does it matter, in terms of... View Details

Keywords: Employees; Performance; Motivation and Incentives; Perception; Practice