Publications

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March–April 2014
Article

The Low-Risk Anomaly: A Decomposition into Micro and Macro Effects

By: Malcolm Baker, Brendan Bradley and Ryan Taliaferro

Low beta stocks have offered a combination of low risk and high returns. We decompose the anomaly into micro and macro components. The micro component comes from the selection of low beta stocks. The macro component comes from the selection of low beta countries or... View Details

Keywords: Low Volatility; Beta; Portfolio Construction; Market Efficiency; Capital Asset Pricing Model; Asset Management

October 2016 (Revised December 2016)
Module Note

Strategy Execution Module 6: Evaluating Strategic Profit Performance

By: Robert Simons

This module reading demonstrates how to calculate and analyze the profit generated by different business strategies. Formulas and examples are provided to calculate profit generated by changes in market share, revenue growth, efficiency improvements, and support costs.... View Details

Keywords: Management Control Systems; Implementing Strategy; Execution; Evaluating Business Performance; Profitability Analysis; Variance Analysis; Measuring Effectiveness; Measuring Efficiency; Activity-Based Costing; Flexible Budget; Accounting; Strategy

February 2024
Article

An Economic Framework for Vaccine Prioritization

By: Mohammad Akbarpour, Eric Budish, Piotr Dworczak and Scott Duke Kominers

We propose an economic framework for determining the optimal allocation of a scarce supply of vaccines that become gradually available during a public health crisis, such as the Covid-19 pandemic. Agents differ in observable and unobservable characteristics, and the... View Details

Keywords: Vaccine; Fairness; Public Finance; Public Goods; Allocation Problems; Allocative Efficiency; Allocation Rules; Social Welfare; Pandemics; Inequality; COVID-19; COVID-19 Pandemic; Public Sector; Resource Allocation; Market Design; Marketplace Matching; Public Administration Industry

SSRN

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2021
Working Paper

Science-Based Carbon Emissions Targets

By: David Freiberg, Jody Grewal and George Serafeim

We examine the effect of voluntarily adopting a standard for setting science-based carbon emissions targets on target difficulty and investments to achieve those targets. We find that firms with a track record of setting and achieving ambitious carbon targets are more... View Details

Keywords: Target; Targeting; Target-setting; Target Efficiency; Management Control Systems; Management Accounting; Environment; Environmental And Social Sustainability; Climate Change; Environmental Management; Environmental Accounting; Environmental Sustainability; Management Analysis, Tools, and Techniques

SSRN

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November 2016
Supplement

Irregular Operations

By: Ryan W. Buell, Willy C. Shih and Michael W. Toffel

This video shows a dispatcher responding to an irregular operations situation caused by weather at an East Coast airport. View Details

Keywords: Service; Service Excellence; Service Quality; Operating Systems; Operational Complexity; Operational Disruptions; Operational Efficiency; Operational Focus; Air Transportation; Service Operations; Service Delivery; Air Transportation Industry

January 2015 (Revised October 2015)
Case

Trouble at Tessei

By: Ethan Bernstein and Ryan W. Buell

In 2005, Teruo Yabe is asked to revive Tessei, the 669-person JR-East subsidiary responsible for cleaning its Shinkansen ("bullet") trains. Operational mistakes, customer complaints, safety issues, and employee turnover are at or near all-time highs, even as the... View Details

Keywords: Service Management; Employee Engagement; Employee Motivation; Leadership And Managing People; Quality Improvement; Efficiency; Japan; Operational Transparency; Employee Coordination; Transparency; Leadership; Service Delivery; Service Operations; Employees; Quality; Transportation Industry; Japan

October 2015 (Revised September 2016)
Case

The Transformation of Mudo

By: Anthony J. Mayo, Esel Çekin and Çiğdem Çelik

After 16 years in management consulting, Barış Karakullukçu left to become the CEO of Mudo in 2012, one of the best-known names in Turkey's retail industry. She was tasked with leading Mudo's transition from a family business to a more institutionalized, corporate... View Details

Keywords: Leadership; Management Challenges; Emerging Market; Retail; Second-generation; Operational Efficiency; Performance Management; Corporate Culture; Growth; Leading Change; Family Business; Organizational Culture; Emerging Markets; Family Ownership; Transformation; Performance Improvement; Growth and Development Strategy; Retail Industry; Turkey

December 2013 (Revised December 2014)
Case

Reform in the Chicago Public Schools

By: Matthew Weinzierl and Katrina Flanagan

In 2012, the Chicago Teachers' Union went on strike over proposed reforms by the city's mayor, Rahm Emanuel. At the heart of the reforms, and the strike, was frustration over many decades of underperformance in the Chicago Public Schools (CPS) and a surge of... View Details

Keywords: Public Education; Public Goods; Samuelson Rule; Externalities And Pigouvian Corrections; Tiebout Sorting And Efficiency; Education; Labor Unions; Public Administration Industry; Education Industry; Chicago

September 2016 (Revised August 2018)
Supplement

United Airlines: More Out-and-Back Flying?: Case Supplement #1

By: Ryan W. Buell, Willy C. Shih and Michael W. Toffel

This spreadsheet supplement accompanies 617-010 United Airlines: More Out-and-Back Flying? and is intended to provide students with an opportunity to apply analysis concepts with real operational data. View Details

Keywords: Service; Service Excellence; Service Management; Operating Systems; Operational Complexity; Operational Disruptions; Operational Efficiency; Operational Focus; Air Transportation; Operations; Service Operations; Service Delivery; Air Transportation Industry; United States

October 2015 (Revised February 2020)
Teaching Note

Trouble at Tessei

By: Ethan Bernstein and Ryan Buell

In 2005, Teruo Yabe is asked to revive Tessei, the 669-person JR-East subsidiary responsible for cleaning its Shinkansen ("bullet") trains. Operational mistakes, customer complaints, safety issues, and employee turnover are at or near all-time highs, even as the... View Details

Keywords: Service Management; Employee Engagement; Employee Motivation; Leadership And Managing People; Quality Improvement; Efficiency; Japan; Operational Transparency; Employee Coordination; Transparency; Leadership; Service Delivery; Service Operations; Employees; Quality; Transportation Industry; Japan

summer 1995
Article

Hedging Portfolios with Real Assets

By: K. A. Froot

Keywords: Institutional Investing; Market Efficiency; Behavioral Finance; Equities; Stock Market; Indexing; Hedging; Asset Allocation; Commodities; Commodity Investing; Real Estate; Financial Markets; Asset Pricing

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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

March 2016
Supplement

Trouble at Tessei

By: Ethan Bernstein and Ryan W. Buell

In 2005, Teruo Yabe is asked to revive Tessei, the 669-person JR-East subsidiary responsible for cleaning its Shinkansen ("bullet") trains. Operational mistakes, customer complaints, safety issues, and employee turnover are at or near all-time highs, even as the... View Details

Keywords: Service Management; Employee Engagement; Employee Motivation; Leadership And Managing People; Quality Improvement; Efficiency; Japan; Operational Transparency; Employee Coordination; Transparency; Leadership; Service Delivery; Service Operations; Employees; Quality; Transportation Industry; Japan

November 2016
Supplement

United Airlines Operations

By: Ryan W. Buell, Willy C. Shih and Michael W. Toffel

This video is a collection of clips that highlight aspects of United Airlines' operations View Details

Keywords: Service; Service Delivery; Service Management; Service Operations; Service Quality; Operating Systems; Operational Complexity; Operational Disruptions; Operational Effectiveness; Operational Efficiency; Air Transportation; Operations; Air Transportation Industry

25 Jan 2021
Book

In a Nutshell, Why American Capitalism Succeeded

How did the United States become the world’s center of business growth following its founding in 1776? Surely a number of nations had powerful natural resources, stable financial and legal institutions, and dynamic entrepreneurs over that same span. Why was American... View Details

Keywords: by Sean Silverthorne; Manufacturing

14 May 2018
Research & Ideas

Amazon vs. Whole Foods: When Cultures Collide

Jamie_Hall Amazon’s acquisition of Whole Foods last August was the corporate equivalent of mixing tap water with organic extra virgin olive oil. You’d be hard-pressed to find two companies with more different value propositions. Even so, it was surprising to hear... View Details

Keywords: by Michael Blanding; Food & Beverage

November 2017
Technical Note

21st Century Populism

By: George Serafeim and David Freiberg

While the first decade of the 21st century saw a massive financial crisis that led to significant economic downturn, the second decade saw the rise of political leaders, who built their support upon a political message that championed the common person against the... View Details

Keywords: Populism; Market Efficiency; Market Liberalization; Political Influence; Political Instability; Capital Controls; Partnerships; Coalition; Inequality; Role Of Business In Society; Government Intervention In The Markets; Labor Market; Equality and Inequality; Financial Markets; Social Issues; Immigration; Financial Crisis; Capital Markets; Business and Government Relations