Publications

Educators

January 2000
Case

The Dimensions of Brand Equity for Nestlé Crunch Bar: A Research Case

By: Jill Avery and Gerald Zaltman

An in-depth study of consumers' thoughts and feelings about a branded candy bar. View Details

Keywords: Brand Management; Brand Equity; Brand Communication; Brand ＆ Product Management; Brand Building; Brand Positioning; Brand Storytelling; Brand Strategy; Brand Value; Branding; Marketing; Advertising; Customer Satisfaction; Brands and Branding; Consumer Behavior; Food and Beverage Industry; Consumer Products Industry

Educators

January 2017
Article

Impact Evaluation Methods in Public Economics: A Brief Introduction to Randomized Evaluations and Comparison with Other Methods

By: Dina Pomeranz

Recent years have seen a large expansion in the use of rigorous impact evaluation techniques. Increasingly, public administrations are collaborating with academic economists and other quantitative social scientists to apply such rigorous methods to the study of public... View Details

Keywords: Practice; Public Sector; Research; Policy; Performance Evaluation

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Sep 2015
Talk

Sustainability as a Research Agenda: The Case of Agribusiness in Southeast Asia

By: Valeria Giacomin

Mar 2021
Conference Presentation

Descent-to-Delete: Gradient-Based Methods for Machine Unlearning

By: Seth Neel, Aaron Leon Roth and Saeed Sharifi-Malvajerdi

We study the data deletion problem for convex models. By leveraging techniques from convex optimization and reservoir sampling, we give the first data deletion algorithms that are able to handle an arbitrarily long sequence of adversarial updates while promising both... View Details

Keywords: Machine Learning; Unlearning Algorithm; Mathematical Methods

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09 Dec 2002
Research & Ideas

Unilever—A Case Study

The issue of control is examined, as is the related question of the "stickiness" of knowledge within large international firms. The discussion draws on a case study of the Anglo-Dutch consumer goods manufacturer Unilever, which... View Details

Keywords: by Geoffrey Jones; Consumer Products; Entertainment & Recreation; Food & Beverage; Manufacturing; Retail

2024
Working Paper

Using LLMs for Market Research

By: James Brand, Ayelet Israeli and Donald Ngwe

Large language models (LLMs) have rapidly gained popularity as labor-augmenting tools for programming, writing, and many other processes that benefit from quick text generation. In this paper we explore the uses and benefits of LLMs for researchers and practitioners... View Details

Keywords: Large Language Model; Research; AI and Machine Learning; Analysis; Customers; Consumer Behavior; Technology Industry; Information Technology Industry

SSRN

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1996
Working Paper

The Nature of Diversified Business Groups: A Research Design and Two Case Studies

By: Pankaj Ghemawat and Tarun Khanna

2017
Book

Democracy: A Case Study

By: David Moss

Democracy: A Case Study invites readers to experience American history anew and come away with a deeper understanding of the greatest strengths and vulnerabilities of the nation’s democracy as well as its resilience over time. The book adapts the case method to... View Details

Keywords: Democracy; Political Economy; Constitution; Productive Tension; Culture Of Democracy; E Pluribus Unum; United States; History; Government and Politics; Governance; Economic Systems; United States

Winter 2015
Article

When One Size Doesn't Fit All: Evolving Directions in the Research and Practice of Enterprise Risk Management

By: Anette Mikes and Robert S. Kaplan

Enterprise risk management (ERM) has become a crucial component of contemporary corporate governance reforms, with an abundance of principles, guidelines, and standards. This paper portrays ERM as an evolving discipline and presents empirical findings on its current... View Details

Keywords: Contingency Theory; Grounded Research; Risk Management; Customization and Personalization

March 1998
Article

The Nature of Diversified Business Groups: A Research Design and Two Case Studies

By: P. Ghemawat and Tarun Khanna

Keywords: Business Ventures; Groups and Teams; Corporate Strategy

1981
Chapter

Exploiting Degeneracy in the Simplex Method

By: André Perold

Keywords: Mathematical Methods; System

1983
Chapter

Statistical Methods for Auditing and Accounting

By: Robert S. Kaplan

Keywords: Accounting; Accounting Audits; Mathematical Methods

Research Summary

Other research activities

Apart from my dissertation research on the EU ETS, I am interested in topics such as foreign direct investment, global strategy, institutions and sustainability. I am currently working with several faculty members at Harvard Business School on issues ranging from... View Details

June 2020
Teaching Note

Understanding the Brand Equity of Nestlé Crunch Bar

By: Jill Avery and Gerald Zaltman

Teaching Note for HBS Case Nos. 519-061 and 519-062. In early 2018, Nestlé announced the sale of its U.S. candy-making division and a select collection of twenty of its confectionery brands, including the Nestlé Crunch Bar, to Ferrero SpA for $2.8 billion. Under the... View Details

Keywords: Brand Management; Brand Storytelling; Brand Equity; Market Research; Qualitative Methods; Marketing; Brands and Branding; Marketing Communications; Consumer Behavior; Marketing Strategy; Food and Beverage Industry

Article

Causal Inference in Accounting Research

By: Ian D. Gow, David F. Larcker and Peter C. Reiss

This paper examines the approaches accounting researchers use to draw causal inferences using observational (or non-experimental) data. The vast majority of accounting research papers draws causal inferences notwithstanding the well-known difficulties in doing so with... View Details

Keywords: Accounting; Research

Teaching Interest

Yum! Brands Case Study

Case Study Sessions, Summer 2016 and Summer 2017
Program for Research in Markets & Organizations View Details

Keywords: Strategy; Global Strategy; Food and Beverage Industry; China

15 Aug 2005
HBS Case

Classic Cases Live On at HBS

reading in a trade publication about Benihana's innovative and efficient use of labor and layout to lower costs and facilitate customer turnaround times, Professor Earl Sasser produced the Benihana case in 1972 with View Details

Keywords: by Garry Emmons

July 2011 (Revised August 2013)
Background Note

Note on Evaluating Empirical Research

By: Michael I. Norton

This note is intended to provide students with a basic understanding of how to evaluate empirical research papers. While reading both case studies and empirical research require close attention and scrutiny, evaluating empirical research requires a different... View Details

Keywords: Decision Making; Research; Cases; Perspective

Educators

September 2023
Module Note

Live Case Exercise for Financial Reporting

By: Tatiana Sandino and Marshal Herrmann

Harvard Business School employs the case method as a cornerstone of its pedagogy, providing students with opportunities to engage in discussions related to difficult or contentious decisions confronted by real-world organizations. In this “live case,” we depart from... View Details

Keywords: Financial Reporting; Research; Corporate Disclosure