Publications

January 2020 (Revised April 2020)
Case

Rumo: Infrastructure for a Healthier Economy

By: Forest L. Reinhardt, Mariana Cal, Ruth Costas and Natalie Kindred

Brazilian logistics company Rumo operated 13,500 km in railway networks, port terminals, and inland transshipment terminals, connecting major Brazilian ports to the agriculture hubs of Mato Grosso and São Paulo state. Controlled by Cosan, Brazil's leading sugar and... View Details

Keywords: Agribusiness; Plant-Based Agribusiness; Customer Relationship Management; Growth and Development Strategy; Logistics; Rail Transportation; Value Creation; Rail Industry; Transportation Industry; Agriculture and Agribusiness Industry; Latin America; Brazil

2020
Article

Assessing the Impact of Big Data on Firm Innovation Performance: Big Data is not Always Better Data

By: Maryam Ghasemaghaei and Goran Calic

In this study, we explore the impacts of big data’s main characteristics (i.e., volume, variety, and velocity) on innovation performance (i.e., innovation efficacy and efficiency), which eventually impacts firm performance (i.e., customer perspective, financial... View Details

Keywords: Big Data; Analytics and Data Science; Performance; Innovation and Invention

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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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January 2020
Article

The Job Rating Game: Revolving Doors and Analyst Incentives

By: Elisabeth Kempf

Investment banks frequently hire analysts from rating agencies. While many argue that this "revolving door" creates captured analysts, it can also create incentives to improve accuracy. To study this issue, I construct an original dataset, linking analysts to their... View Details

Keywords: Credit Rating Agencies; Investment Banking; Recruitment; Performance Evaluation; Financial Services Industry

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December 2019
Case

CME Group in 2019

By: José B. Alvarez, Forest Reinhardt and Natalie Kindred

Chicago-based CME Group is the world’s largest futures and options marketplace, with annual trading volume of over 4.8 billion contracts in 2018. This case is set in late 2019, as heightened perceptions of risk stemming from the U.S.-China trade war are driving record... View Details

Keywords: Financial Markets; Risk Management; Futures and Commodity Futures; Trade; Price; Competition; Risk and Uncertainty; Competitive Strategy; United States; China; Brazil

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

December 2019 (Revised June 2024)
Supplement

The Dutch East India Company in 1612 (B)

By: Lynn S. Paine and Giuseppe Dari-Mattiacci

The case relates the decision made in the A case and what happened in the aftermath. View Details

December 2019 (Revised January 2021)
Supplement

The Leveraged Buyout of TXU: (B) Energy Future Holdings

By: Trevor Fetter, Erik Snowberg and Rebecca M. Henderson

This case is designed to support a lively discussion about the relative merits of shareholder vs. stakeholder perspectives in the context of a company that provides a vital public service that has important environmental implications. The 2007 purchase of TXU, the... View Details

Keywords: Leveraged Buyouts; Transformation; Insolvency and Bankruptcy; Environmental Sustainability; Business and Shareholder Relations; Business and Stakeholder Relations; Energy Generation; Utilities Industry; Energy Industry; Texas

December 2019 (Revised December 2022)
Case

TXU (A): Powering the Largest Leveraged Buyout in History

By: Trevor Fetter, Erik Snowberg and Rebecca M. Henderson

2019
Chapter

Integrated Partnerships in Cultural Sponsorship: The Cases of Guggenheim UBS and MFA Boston-Fleet

By: Stephen A. Greyser and Ragnar Lund

This chapter presents and interprets two field-based studies of sponsorship collaborations between major museums and significant financial institutions—a global multi-year partnership between the Guggenheim Foundation and UBS, and the pioneering regional integrated... View Details

Keywords: Museums; Financial Institutions; Partners and Partnerships; Culture; Cooperation

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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

SSRN

2019
Article

Time Series Experiments and Causal Estimands: Exact Randomization Tests and Trading

By: Iavor I Bojinov and Neil Shephard

We define causal estimands for experiments on single time series, extending the potential outcome framework to dealing with temporal data. Our approach allows the estimation of a broad class of these estimands and exact randomization based p-values for testing causal... View Details

Keywords: Causality; Nonparametric; Potential Outcomes; Trading Costs; Mathematical Methods

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November 2019 (Revised May 2020)
Case

Collibra

By: Lynda M. Applegate, Jeffrey F. Rayport and Julia Kelley

Founded in 2008 at Vrije Universiteit Brussels, Collibra was a data intelligence company that found product-market fit in the years after the global financial crisis when many companies were under pressure from consumers and governments to improve their data management... View Details

November 2019
Case

Floating the Exchange Rate: In Pursuit of the Chinese Dream

By: Laura Alfaro and Sarah Jeong

In the decades following 2005, China faced significant financial challenges. Inflation spiraled upwards and China’s economy stagnated in the wake of the Global Financial Crisis. The country’s leaders took an interventionist approach to weather the storm, controlling... View Details

Keywords: Exchange Rate; Inflation; Debt; Currency Exchange Rate; Inflation and Deflation; Borrowing and Debt; China