Publications

2022
Working Paper

Consumer Reviews and Regulation: Evidence from NYC Restaurants

By: Chiara Farronato and Georgios Zervas

We investigate the informativeness of hygiene signals in online reviews, and their effect on consumer choice and restaurant hygiene. We first extract signals of hygiene from Yelp. Among all dimensions that regulators monitor through mandated restaurant inspections, we... View Details

Keywords: Restaurants; Reviews; Hygiene; Yelp; Regulation; Food; Governing Rules, Regulations, and Reforms; Consumer Behavior

Find at Harvard

Read Now

15 Oct 2014
News

The Dark Side of Efficient Markets

Keywords: financial markets; efficiency; futures

October 1993 (Revised September 1994)
Case

Catalina Marketing Corp.

By: David E. Bell, Walter J. Salmon and Dinny Starr

Catalina Marketing is a very successful marketing service firm. Their current customers include major supermarket retailers and consumer products manufacturers nation-wide. Catalina provides a unique way for these clients to distribute coupons for their products via... View Details

Keywords: Advertising; Information Management; Expansion; Product; Salesforce Management; Information Technology; Growth and Development Strategy; Customer Value and Value Chain; Advertising Industry

06 Dec 2022
Research & Ideas

Latest Isn’t Always Greatest: Why Product Updates Capture Consumers

customers.” However, the research team is not suggesting that marketers slap “revised” labels onto products when those products are not in fact substantively different. On the consumer side, the research... View Details

Keywords: by Michael Blanding; Consumer Products; Consumer Products

26 Mar 2012
Research & Ideas

What Neuroscience Tells Us About Consumer Desire

brain-tracking tools to determine why we prefer some products over others. "People are fairly good at expressing what they want, what they like, or even how much they will pay for an item," says Uma R. Karmarkar, an assistant professor at Harvard Business... View Details

Keywords: by Carmen Nobel; Consumer Products

January 2014 (Revised June 2014)
Case

23andMe: Genetic Testing for Consumers (A)

By: John A. Quelch and Margaret L. Rodriguez

On November 22, 2013, the direct-to-consumer genetic testing provider, 23andMe, received a letter from the U.S. Food and Drug Administration (FDA) ordering the company to halt the sale and promotion of its genetic testing kit. The FDA stated that the product was... View Details

Keywords: Public Health; Genome Testing; Health Care; Ancestry; 23andMe; Marketing; Product Launch; Health; Health Care and Treatment; Health Testing and Trials; Genetics; Strategy; Health Industry; United States

29 Aug 2023
News

Helping Consumers Decarbonize their Purchases

This episode of Climate Rising features a conversation between Professor and host Mike Toffel and Sanchali Pal (MBA 2018), founder and CEO of Commons, an app designed to help consumers make more climate-friendly purchasing decisions by... View Details

2022
Working Paper

Many Markets Make Good Neighbors: Multimarket Contact and Deposit Banking

By: John William Hatfield and Jonathan Wallen

We investigate the relationship between the interest rates offered to consumers in a deposit banking market and the contact that banks in that market have with each other in other markets. We show, in a simple theoretical model, that such overlapping relationships... View Details

Keywords: Antitrust; Deposit Banking; Market Power; Multimarket Contact; Banks and Banking; Markets; Competition

Read Now

12 Oct 2021
News

AI Can Bring More Equity To The Workplace And Consumer Markets By Implementing These Conditions

April 2006
Case

Finance Leadership in Novartis Consumer Health Businesses

By: Boris Groysberg and Ingrid Vargas

Describes and contrasts the roles and challenges of three high-performing finance heads at Novartis Consumer Health businesses in Australia, Japan, and Venezuela. All three faced tremendous pressures in terms of managing time and limited resources, but the particular... View Details

Keywords: Finance; Financial Management; Multinational Firms and Management; Leadership Style; Health Industry; Japan; Australia; Venezuela

2020
Working Paper

The Effects of Information on Credit Market Competition: Evidence from Credit Cards

By: C. Fritz Foley, Agustin Hurtado, Andres Liberman and Alberto Sepulveda

We show empirically that public credit information increases competition in credit markets. We access data that cover all credit card borrowers in Chile and include details about relationship borrowers have with each lender. We exploit a natural experiment whereby a... View Details

Keywords: Consumer Credit; Financial Intermediaries; Credit; Information; Competition; Credit Cards; Financial Institutions

SSRN

25 Mar 2018
News

When consumer packaged goods start acting like software

February 2021 (Revised July 2024)
Case

White Claw: Defending Market Share as Competition Encroaches

By: Jill Avery

By the end of 2019, two brands accounted for 84% of hard seltzer sales, a segment that had recently taken the U.S. beer market by storm, growing from $3 million in 2015 to over $2.7 billion by the start of the summer of 2020. White Claw was the dominant market leader... View Details

Keywords: Brand Management; Alcoholic Beverages; Beer/brewing Industry; Brand Positioning; Growth; Competitive Positioning; Consumer Products; Beverage Industry; Value Proposition; Marketing; Brands and Branding; Competition; Product Positioning; Competitive Strategy; Consumer Behavior; Consumer Products Industry; Consumer Products Industry; United States

September 2014
Module Note

The Development of the Markets for Natural, Organic, and Health Foods in the U.S.

By: Mukti Khaire and Eleanor Kenyon

Discourses on the links between eating, health, and social standing in America have deep roots. As mechanisms of food production, distribution and storage were developed in the nineteenth century, Americans began receiving information about what to and not-to eat, from... View Details

Keywords: Food Marketing; Food; Markets; Food and Beverage Industry; United States

July 2006 (Revised March 2010)
Case

Symantec vs. McAfee: Competing in the Consumer Anti-virus Industry

By: Ramon Casadesus-Masanell and Jordan Mitchell

Symantec and McAfee hold 53.6% and 18.8% respectively, of the anti-virus software market as of 2006. While the market is concentrated with five firms controlling over 90%, Microsoft is on the eve of releasing a consumer security subscription packed called OneCare Live.... View Details

Keywords: Business Model; Market Entry and Exit; Competitive Strategy; Software; Information Technology Industry

Find at Harvard

November 2007
Article

Measuring Consumer and Competitive Impact with Elasticity Decompositions

Marketing investments are designed to change consumer behavior in ways that help goods compete in the marketplace. Previous research has focused on using elasticity decompositions to measure how these investments affect either consumer decision making or competing... View Details

Keywords: Decision Choices and Conditions; Investment Return; Marketing Strategy; Consumer Behavior; Measurement and Metrics; Mathematical Methods; Competitive Advantage

Find at Harvard

Read Now

November 2003 (Revised April 2004)
Background Note

Why Consumers Don't Buy: The Psychology of New Product Adoption

By: John T. Gourville

Looks at the consumer psychology of new product adoption. Identifies a key reason why consumers do not adopt innovations as quickly as developers think they should--an irrational resistance to behavioral change. Identifies strategies for firms to manage and overcome... View Details

Keywords: Product Launch; Consumer Behavior; Social Psychology