Publications

2020
Book

Healthy Buildings: How Indoor Spaces Drive Performance and Productivity

By: Joseph Allen and John D. Macomber

By the time you reach 80, you will have spent 72 years of your life indoors. Like it or not, humans have become an indoor species. This means that the people who design, build, and maintain our buildings can have a major impact on our health.
Ever feel tired... View Details

Keywords: Architecture; Real Estate Development; Air Pollution; Air Quality; Public Health; Productivity Gains; Buildings and Facilities; Health; Pollutants; Performance Productivity; Construction Industry

April 2020 (Revised May 2020)
Case

NTT DOCOMO's Race to 5G

By: Juan Alcácer, Horst Melcher and Akiko Kanno

The case, based on extensive interviews with NTT DOCOMO’s technology leaders, focuses on the opportunities and challenges that NTT DOCOMO faces with the launch of infrastructure and services for 5G wireless telecommunication technology. With higher data rates and... View Details

Keywords: 5G; Mobile and Wireless Technology; Product Launch; Strategic Planning; Decision Making; Strategy; Telecommunications Industry; Technology Industry

2021
Working Paper

Elusive Safety: The New Geography of Capital Flows and Risk

By: Laura Alfaro, Ester Faia, Ruth Judson and Tim Schmidt-Eisenlohr

A confidential dataset with industry-level disaggregation of U.S. cross-border claims and liabilities, shows U.S. securities to be increasingly intermediated by tax-haven-financial-centers (THFC) and less regulated funds. These securities are risky, in... View Details

Keywords: Tax Havens; Financial Centers; Geography Of Flows; Profit Shifting; Tax Avoidance; Risk; Safe Assets; Hetergeneous Firms; Endogenous Entry; Endogenous Monitoring; Regulatory Arbitrage; Assets; Safety; Risk and Uncertainty; Capital; Global Range

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April 1, 2020
Article

A Detailed Plan for Getting Americans Back to Work

By: Amitabh Chandra, Mark Fishman and Douglas Melton

Given the different impact that the pandemic is having on individual communities across the country, the notion that all workers should be allowed to return to work on one date is unrealistic. Instead, individual states should make that determination. This article lays... View Details

Keywords: Return To Work; Health Pandemics; Employment; Safety; Planning; United States

March 2020 (Revised March 2024)
Case

CIAM: Home-Grown Shareholder Activism in France

By: Charles C.Y. Wang, Tonia Labruyere and Vincent Dessain

The case discusses the strategy of CIAM, a French activist investment firm, involved in a case of a buy-out of minority shareholders in the telecommunications sector. Altice NV, an international telecommunications company based in the Netherlands that owned more than... View Details

Keywords: Corporate Governance; Private Equity; Strategy; Valuation; Investment Activism; Financial Services Industry; France

March 2020
Article

Governance Through Shame and Aspiration: Index Creation and Corporate Behavior

By: Akash Chattopadhyay, Matthew D. Shaffer and Charles C.Y. Wang

After decades of deprioritizing shareholders' economic interests and low corporate profitability, Japan introduced the JPX-Nikkei400 in 2014. The index highlighted the country's "best-run" companies by annually selecting the 400 most profitable of its large and liquid... View Details

Keywords: JPX-Nikkei 400 Index; Status Incentives; Return On Equity; Capital Efficiency; Social Norms; Index Inclusion; Reputation Incentives; Motivation and Incentives; Corporate Governance; Behavior; Investment Return; Status and Position; Japan

2020
Article

Mutual Funds: Skill and Performance

By: Jonathan B. Berk, Jules van Binsbergen and Max Miller

The authors summarize the recent literature on mutual fund manager skill and performance. They discuss the latest contributions in the field and reinterpret them through the lens of the rational expectations framework (efficient market hypothesis). They further discuss... View Details

Keywords: Investment Return; Investment Portfolio; Financial Management; Performance Evaluation; Measurement and Metrics

Article

Detecting Adversarial Attacks via Subset Scanning of Autoencoder Activations and Reconstruction Error

By: Celia Cintas, Skyler Speakman, Victor Akinwande, William Ogallo, Komminist Weldemariam, Srihari Sridharan and Edward McFowland III

Reliably detecting attacks in a given set of inputs is of high practical relevance because of the vulnerability of neural networks to adversarial examples. These altered inputs create a security risk in applications with real-world consequences, such as self-driving... View Details

Keywords: Autoencoder Networks; Pattern Detection; Subset Scanning; Computer Vision; Statistical Methods And Machine Learning; Machine Learning; Deep Learning; Data Mining; Big Data; Large-scale Systems; Mathematical Methods; Analytics and Data Science

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2021
Working Paper

Recovering Investor Expectations from Demand for Index Funds

By: Mark Egan, Alexander J. MacKay and Hanbin Yang

We use a revealed-preference approach to estimate investor expectations of stock market returns. Using data on demand for index funds that follow the S&P 500, we develop and estimate a model of investor choice to flexibly recover the time-varying distribution of... View Details

Keywords: Stock Market Expectations; Demand Estimation; Exchange-traded Funds (ETFs); Demand and Consumers; Investment; United States

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December 2019
Case

Steemit: A New Social Media?

By: Ramon Casadesus-Masanell, Alexander White and Karen Elterman

This case discusses the alternative social media site Steemit, including the principles it was founded on in 2016 and the challenges it faced in 2019. Steemit was a blockchain-based platform that aimed to differentiate itself from other social media companies by... View Details

December 2019 (Revised June 2024)
Case

The Dutch East India Company in 1612 (A)

By: Lynn S. Paine and Giuseppe Dari-Mattiacci

The Dutch East India Company’s board of directors must decide what to do about an impending legal requirement to liquidate the company’s assets and return to shareholders their capital and any profits earned during a ten-year lock-up period. The charter granted to the... View Details

Keywords: Corporate Governance; Globalized Firms and Management; Organizational Structure; Laws and Statutes; Financial Markets; Business and Shareholder Relations; Business and Government Relations; Business History; Shipping Industry; Netherlands

2020
Working Paper

Capital Regulation and Product Market Outcomes

By: Ishita Sen and David Humphry

We present evidence of product market adjustments and asset reorganizations from the largest ever shift in risk regulation in a developed insurance market. Using proprietary data on insurance risk exposures from the Bank of England, we develop a measure of regulatory... View Details

Keywords: Non-traditional-non-insurance; Risk Regulation; Product Market Concentration; Small Vs. Large Insurers; Insurance Risk Exposure; Insurance; Risk and Uncertainty; Governing Rules, Regulations, and Reforms

2020
Working Paper

Internal Models, Make Believe Prices, and Bond Market Cornering

By: Ishita Sen and Varun Sharma

Exploiting position-level heterogeneity in regulatory incentives to misreport and novel data on regulators, we document that U.S. life insurers inflate the values of corporate bonds using internal models. We estimate an additional $9-$18 billion decline in regulatory... View Details

Keywords: Life Insurers; Capital Regulation; Internal Models; Corporate Bonds; Regulatory Supervision; Concentrated Ownership; Bonds; Capital; Governing Rules, Regulations, and Reforms; Insurance; Investment Portfolio

Article

Toward a Corporate Culture of Health: Results of a National Survey

By: Michael Anne Kyle, Lumumba Seegars, John M. Benson, Robert J. Blendon, Robert S. Huckman and Sara J. Singer

Context: The private sector has a large potential role in advancing health and well-being, but attention to corporate practices around health tends to focus on a narrow range of issues and on large businesses. Systematically describing private sector engagement in... View Details

Keywords: Corporate Health; Social Determinants Of Health; Health Policy; Public Health; Organizations; Health; Policy; Surveys

November 2019 (Revised January 2025)
Case

Russia: A Drama In Three Acts

By: Rawi Abdelal, Rafael Di Tella, Galit Goldstein, Sogomon Tarontsi and Lavinia Teodorescu

The collapse of central authority in the Soviet Union in 1991 ushered in a period of revolutionary transformations for the states that emerged in its wake. The leaders of Russia, the USSR's successor, struggled to reestablish central authority while also seeking to... View Details