Publications

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July 2024 (Revised December 2024)
Background Note

District Heating: An Overview

By: Willy Shih and Michael W. Toffel

This note provides an overview of district heating: systems in which central plants generate heat that is conveyed by steam or water through a set of insulated pipes to send heat to residential and/or commercial buildings. It describes key elements of the system (heat... View Details

Keywords: Decarbonization; Energy Efficiency; Energy Storage; Energy Transmission; Construction; Energy; Buildings and Facilities; Governing Rules, Regulations, and Reforms; Climate Change; Operations; Energy Industry; Denmark; Europe; United States

November 2023
Case

Will Fintechs and Central Banks Play in Emtech's Sandbox?

By: Daniel Isenberg and William R. Kerr

In February 2023, Emtech’s founder Carmelle Cadet is facing a dilemma. Rapidly running out of cash, Cadet has a term sheet from a leading VC but has a choice of how to structure the investment. The decision will have significant implications for Cadet’s own stake, as... View Details

Keywords: Cryptocurrency; Business Startups; Venture Capital; Cash Flow; Currency; Governing Rules, Regulations, and Reforms; Digital Platforms

14 Dec 2016
Working Paper Summaries

The State of Small Business Lending: Innovation and Technology and the Implications for Regulation

Keywords: by Karen Gordon Mills and Brayden McCarthy; Financial Services

04 Jan 2012
First Look

First Look: January 4

to geographically limit the reach of the U.S. antifraud regime. The Court thus excluded the overwhelming majority of investors in U.S.-listed foreign firms from the protection of the U.S. civil liability regime and cast at least partial limitations on the SEC's View Details

Keywords: Carmen Nobel

23 Feb 2016
First Look

February 23, 2016

of these shortcuts. Specifically, we exploit a regulatory provision wherein a firm’s primary industry is determined by the highest sales segment. Exploiting this regulation, we provide evidence that investors classify operationally nearly... View Details

Keywords: Sean Silverthorne

April 2025 (Revised June 2025)
Case

Governing Sustainability in a Shifting Context (A)

By: Lynn S. Paine and Will Hurwitz

In early 2025, boards of directors had to rethink corporate responsibility and sustainability efforts amid rapidly-shifting social, legal, regulatory, and economic forces. While just a few years earlier, calls to address racial justice and climate change reached into... View Details

February 1988 (Revised August 2000)
Background Note

Note on the U.S. Freight Transportation Industry

By: Janice H. Hammond and John E. P. Morrison

Describes the major modes of domestic freight transportation (motor carrier, rail, air, water, and pipelines). Examines the characteristics of the transportation service that each mode provides and discusses changes in the industry that have resulted from recent... View Details

Keywords: Change; Governing Rules, Regulations, and Reforms; Industry Structures; Logistics; Service Operations; Transportation; United States

04 Jun 2019
Working Paper Summaries

Political Influence and Merger Antitrust Reviews

Keywords: by Mihir N. Mehta, Suraj Srinivasan, and Wanli Zhao

December 2023 (Revised May 2024)
Case

Building Resiliency in McDonald's Supply Chain

By: David E. Bell, Damien McLoughlin and David Lane

Considers McDonald’s efforts to build resilience into its global supply chain so that the company and its suppliers can better navigate the increasing pressures and pace of climate change and regulatory change, including a focus on supplying sustainable beef, while the... View Details

Keywords: Climate Change; Supply Chain Management; Business and Stakeholder Relations; Risk and Uncertainty; Governing Rules, Regulations, and Reforms; Growth Management; Agriculture and Agribusiness Industry; Food and Beverage Industry; United States; Europe; South America

June 2023 (Revised July 2024)
Case

Biogen and the Aduhelm Melee

By: Amitabh Chandra and Lauren Gunasti

Alzheimer's Disease is a devastating condition affecting millions of Americans. At this time, there is no cure. In 2021, Biogen's Aduhelm (aducanumab) received FDA approval under the accelerated approval pathway after a controversial approval process.

This... View Details

Keywords: Health Testing and Trials; Governing Rules, Regulations, and Reforms; Valuation; Product Development; Pharmaceutical Industry

September 2010 (Revised March 2012)
Case

AQR's Momentum Funds (A)

By: Daniel Baird Bergstresser, Lauren H. Cohen, Randolph B. Cohen and Christopher J. Malloy

AQR is a hedge fund based in Greenwich, Connecticut, that is considering offering a wholly new line of product to retail investors, namely the ability to invest in the price phenomenon known as momentum. There is a large body of empirical evidence supporting momentum... View Details

Keywords: Financial Strategy; Investment Funds; Investment Portfolio; Governing Rules, Regulations, and Reforms; Product Development; Financial Services Industry; Greenwich

02 Feb 2011
Working Paper Summaries

Lawful but Corrupt: Gaming and the Problem of Institutional Corruption in the Private Sector

Keywords: by Malcolm S. Salter; Financial Services

February 2016
Case

BancoSol and Microfinance in Bolivia

By: Rajiv Lal and Annelena Lobb

BancoSol, a microfinance bank headquartered in La Paz, Bolivia, was forced to adjust its lending strategy and business model because of a regulatory change—60% of the bank's lending portfolio would have to move to the productive sector of the Bolivian economy by 2018,... View Details

Keywords: Microfinance; Banks and Banking; Governing Rules, Regulations, and Reforms; Business Model; Strategy; South America; Bolivia

February 26, 2024
Article

Making Workplaces Safer Through Machine Learning

By: Matthew S. Johnson, David I. Levine and Michael W. Toffel

Machine learning algorithms can dramatically improve regulatory effectiveness. This short article describes the authors' scholarly work that shows how the U.S. Occupational Safety and Health Administration (OSHA) could have reduced nearly twice as many occupational... View Details

Keywords: Government Experimentation; Auditing; Inspection; Evaluation; Process Improvement; Government Administration; AI and Machine Learning; Safety; Governing Rules, Regulations, and Reforms

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October 1992 (Revised December 1992)
Supplement

Salomon and the Treasury Securities Auction: 1992 Update

By: Dwight B. Crane

Briefly summarizes the events that transpired after the investment bank Salomon Brothers revealed that it had repeatedly violated the rules governing the auction of new U.S. Government securities. Includes a description of the violations, the management shake-up that... View Details

Keywords: Crime and Corruption; Governing Rules, Regulations, and Reforms; Financial Instruments; Banking Industry; Financial Services Industry; United States

Article

Does Your Company Need a Chief Medical Officer?

By: Tsedal Neeley

With the Covid-19 pandemic still raging but businesses trying to remain operational, organizations now have a life or death role to play in protecting the health of employees, customers, and the public. That means they need a new executive in the C-suite: a chief... View Details

Keywords: COVID-19 Pandemic; Health; Health Pandemics; Organizational Change and Adaptation; Organizational Structure; Safety; Governing Rules, Regulations, and Reforms; Working Conditions

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2024
Working Paper

When Insurers Exit: Climate Losses, Fragile Insurers, and Mortgage Markets

By: Ishita Sen, Pari Sastry and Ana-Maria Tenekedjieva

This paper studies how homeowners insurance markets respond to growing climate losses and how this impacts mortgage market dynamics. Using Florida as a case study, we show that traditional insurers are exiting high risk areas, and new lower quality insurers are... View Details

Keywords: Insurance; Natural Disasters; Governing Rules, Regulations, and Reforms; Insurance Industry; Florida