Publications

2019
Chapter

Behavioral Economics and Health-Care Markets

By: Amitabh Chandra, Benjamin Handel and Joshua Schwartzstein

This chapter summarizes research in behavioral health economics, focusing on insurance markets and product markets in health care. We argue that the prevalence of choice difficulties and biases leading to mistakes in these markets establish a special place for them in... View Details

Keywords: Behavioral Economics; Consumer Behavior; Economics; Health Care and Treatment; Insurance; Markets

Teaching Interest

Digital Marketing Strategy

By: John A. Deighton

When the tools of marketing change, strategies change too. The focus of this course is on firms trying to navigate the transition from offline to online market-making and strategy development. Our concern is primarily with corporations that have products and... View Details

31 May 2007
Working Paper Summaries

Extremeness Seeking: When and Why Consumers Prefer the Extremes

Keywords: by John T. Gourville & Dilip Soman

09 Feb 2012
Sharpening Your Skills

Sharpening Your Skills: Online Marketing

benefit merchants through advertising, simply by informing consumers of a merchant's existence via e-mail. For some merchants, the benefits of offering discount vouchers are sharply reduced if individual customers buy multiple vouchers.... View Details

Keywords: Re: Multiple Faculty; Technology

February 2011
Article

The Underdog Effect: The Marketing of Disadvantage and Determination Through Brand Biography

By: Neeru Paharia, Anat Keinan, Jill Avery and Juliet B. Schor

We introduce the concept of an underdog brand biography (UBB) to describe an emerging trend in branding in which firms author an historical account of their humble origins, lack of resources, and determined struggle against the odds. We identify two essential... View Details

2021
Working Paper

Closing Costs, Refinancing, and Inefficiencies in the Mortgage Market

By: David Hao Zhang

In the US, borrowers often finance the price of mortgage origination by agreeing to higher mortgage rates for a given principal amount. I show that for standard fixed-rate, prepayable mortgages this contractual feature has two consequences. First, it leads to increased... View Details

Keywords: Mortgage Market; Refinancing; Mortgages; Consumer Behavior

September 2018
Article

Aggregation of Consumer Ratings: An Application to Yelp.com

By: Weijia Dai, Ginger Jin, Jungmin Lee and Michael Luca

Because consumer reviews leverage the wisdom of the crowd, the way in which they are aggregated is a central decision faced by platforms. We explore this "rating aggregation problem" and offer a structural approach to solving it, allowing for (1) reviewers to vary in... View Details

Keywords: User Generated Content; Crowdsourcing; Yelp; Social and Collaborative Networks; Information; Internet and the Web; Learning; Mathematical Methods; E-commerce

October 2009
Article

Shaping Online Consumer Choice by Partitioning the Web

By: Jolie M. Martin and Michael I. Norton

This research explores how partitioning attributes in online search interfaces changes the valuations of those attributes-and impacts subsequent choice-such that attributes that are displayed as separate categories tend to receive greater decision weight than... View Details

Keywords: Decision Choices and Conditions; Information Management; Demand and Consumers; Research; Internet and the Web; Valuation

13 Jan 2003
Research & Ideas

The Subconscious Mind of the Consumer (And How To Reach It)

Harvard Business School professor Gerald Zaltman's latest book, How Customers Think: Essential Insights into the Mind of the Market, delves into the subconscious mind of the consumer—the place where most purchasing decisions are made. The question: How can View Details

Keywords: by Manda Mahoney

September 2019 (Revised July 2025)
Case

Keroche (A): Fighting for Share in the Kenyan Alcoholic Drinks Market

By: Ramon Casadesus-Masanell and Pippa Tubman Armerding

This case discusses the challenges faced by Kenyan alcoholic drinks producer Keroche Industries Limited in 2003, when the Kenyan government accused the company of manufacturing and selling substandard alcoholic drinks, revoked its liquor licenses, and shut down its... View Details

Keywords: Keroche; Alcohol; Wine; Manufacturing; Informal Market; Regulation; Illicit; Illegal; Shutdown; Factory; Low-income Consumers; Multinational; Local; Government; Allegations; Accusations; Negative Press; EABL; Tusker; Beer; SAB; Chang'aa; Naivasha; Rift Valley; East Africa; Lawsuit; Legal Battle; Business Ventures; Business Exit or Shutdown; Business Growth and Maturation; Business Startups; Production; Safety; Quality; Distribution; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Manufacturing Industry; Food and Beverage Industry; Kenya; Nairobi; Africa

Educators

June 2011 (Revised May 2012)
Case

Procter & Gamble: Marketing Capabilities

By: Rebecca M. Henderson and Ryan Johnson

P&G had become known and recognized as a marketing machine. It was the largest advertiser in the world, with 2010 spending of $8.68 billion. From the company's early exploitation of broadcast media (radio and television) for its soap products to more recent experiments... View Details

Keywords: Advertising; Change Management; Globalized Markets and Industries; Innovation Strategy; Brands and Branding; Marketing Communications; Expansion; Consumer Products Industry

Educators

March 2025
Article

Differentiating on Diversity: How Disclosing Workforce Diversity Influences Consumer Choice

By: Maya Balakrishnan, Jimin Nam and Ryan W. Buell

Companies are facing increased pressure to “walk the talk” on diversity, equity, and inclusion (DEI) in their operations. One specific call-to-action from stakeholders is the public disclosure of EEO-1s. Companies with 100+ employees are federally mandated to annually... View Details

Keywords: Consumer Behavior; Corporate Disclosure; Diversity; Employees; Perception

2021
Working Paper

The Origins of CE Marking: Standards, Business, and the European Market in the 1980s–1990s

By: Grace Ballor

Many products—from consumer electronics to machinery to children’s toys—bear the CE Mark, the symbol of conformity to the ‘essential requirements’ of European standards governed by the process of CE Marking. This working paper traces the development of the system of... View Details

Keywords: Business And Government; Market Liberalization; Standards; Markets; Trade; Integration; Business History; Globalization; Business and Government Relations; Europe; European Union

October 2016
Supplement

Moshe Kahlon: Telecommunications Reform and Competition in Israel's Cellular Market (B)

By: Joshua Margolis, Amram Migdal and Kerry Herman

The case complements “Moshe Kahlon: Telecommunications Reform and Competition in Israel’s Cellular Market (A),” HBS case number 417-017, which addresses reforms to regulations in Israel’s telecommunications industry initiated and implemented under the leadership of... View Details

Article

Why, When, and How Much to Entertain Consumers in Advertisements?: A Web-based Facial Tracking Field Study

By: Thales Teixeira, Rosalind Picard and Rana el Kaliouby

The presence of positive entertainment (e.g., visual imagery, upbeat music, humor) in TV advertisements can make them more attractive and persuasive. However, little is known about the downsides of using too much entertainment. This research focuses on why, when, and... View Details

Keywords: Face-tracking; Entertainment; Television; Purchase Intent; Commercials; Facial Expressions; Marketing Communication; Advertising; Television Entertainment; Marketing; Advertising Industry

2010
Working Paper

Regulating for Legitimacy: Consumer Credit Access in France and America

By: J. Gunnar Trumbull

Theories of legitimate regulation have emphasized the role of governments either in fixing market failures to promote greater efficiency or in restricting the efficient functioning of markets in order to pursue public welfare goals. In either case, features of markets... View Details

Keywords: Borrowing and Debt; Credit; Financial Markets; Personal Finance; Governing Rules, Regulations, and Reforms; Business History; Business and Government Relations; Welfare; France; United States