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  • 2016
  • Working Paper

Reviews, Reputation, and Revenue: The Case of Yelp.com

By: Michael Luca
Do online consumer reviews affect restaurant demand? I investigate this question using a novel dataset combining reviews from the website Yelp.com and restaurant data from the Washington State Department of Revenue. Because Yelp prominently displays a restaurant's... View Details
Keywords: Revenue; Network Effects; Reputation; Social and Collaborative Networks; Food and Beverage Industry; Service Industry; Washington (state, US)
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  • February 2019 (Revised June 2019)
  • Case

Where to Grow Next at Online Marketplace OLX

By: Thales Teixeira, Leandro A. Guissoni and Samy Dana
The CEO of OLX Brazil, an online classifieds platform business, is debating among multiple paths to grow sustainably (i.e., profitably) without the need for investor money. The options under consideration are (1) penetration growth by focusing on the core, (2) new... View Details
Keywords: Online Marketplace; Growth; Customer Acquisition; Facebook; Two-sided Network; E-commerce; Classifieds; Naspers; Schibsted; Innovation; Startup; Digital Platforms; Internet and the Web; Growth and Development Strategy; Business Model; Innovation and Invention; Business Startups; Decision Choices and Conditions; Brazil
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  • February 2014
  • Technical Note

Mobile Broadband and the Telecommunications Industry in 2011

By: Lynda M. Applegate, Kerry Herman and Christine Snively
Mobile broadband carriers provide network access to the Internet for a range of devices (typically portable or mobile), including consumer devices such as smartphones, tablets and E-Readers, but also a host of new emerging devices. Mobile broadband networks enable data... View Details
Keywords: Telecommunications; Mobile and Wireless Technology; Applications and Software; Information Infrastructure; Digital Platforms; Mobile and Wireless Technology; Telecommunications Industry; Information Technology Industry; Technology Industry; Communications Industry
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  • December 2001
  • Case

Cybersettle

By: Michael A. Wheeler and Gillian Morris
Cybersettle's management faced a dilemma: How could they turn their company, which provided confidential online settlement services for insurance claims, into a profitable enterprise? Having started during the heady days of Internet "dot-com fever," the company now had... View Details
Keywords: Restructuring; Bids and Bidding; Negotiation Process; Conflict and Resolution; Business Strategy; Commercialization; Internet; Insurance Industry
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  • 2021
  • Working Paper

G.I. Joe Phenomena: Understanding the Limits of Metacognitive Awareness on Debiasing

By: Ariella S. Kristal and Laurie R. Santos
Knowing about one’s biases does not always allow one to overcome those biases— a phenomenon referred to as the G. I. Joe fallacy. We explore why knowing about a bias doesn’t necessarily change biased behavior. We argue that seemingly disparate G. I. Joe... View Details
Keywords: Biases; Judgment; Decision-making; Nudge; Debiasing; Illusions; Prejudice and Bias; Decision Making; Behavior; Change
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  • May 2005 (Revised December 2022)
  • Case

Aristotle Onassis and the Greek Shipping Industry

By: Geoffrey Jones and Paul Gomopoulos
Examines the career of Aristotle Onassis and his creation of one of the world's largest shipping companies between 1945 and 1973. Explores the role of ethnic and family networks in Greek shipping and how Onassis was able to penetrate this system despite being an... View Details
Keywords: Networks; Ethnicity; Family Business; Innovation Strategy; Management Succession; Competitive Advantage; Personal Development and Career; Entrepreneurship; Shipping Industry; Greece
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  • 2022
  • White Paper

The Options Multiplier: Decoding the CareerWise Youth Apprentice Journey

By: Joseph B. Fuller, Rachel Lipson, Farah Mallah, Girish Pendse and Rachel Snyder
As more Americans question the appeal of costly higher education programs, earn-and-learn models, like apprenticeship, are attracting increasing attention from policymakers and employers alike. While apprenticeship is widespread in many parts of Europe,... View Details
Keywords: Apprenticeship; Higher Education; Training; Personal Development and Career; Cost vs Benefits; Success; Governing Rules, Regulations, and Reforms
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  • August 1999 (Revised January 2002)
  • Case

Brita Products Company, The

By: John A. Deighton
Clorox's Brita skillfully exploits a tide of water safety concerns, growing a home water (filtration) business from inception to a 15% U.S. household penetration in ten years. The dilemma in the case arises as the period of increasing returns seems to be drawing to a... View Details
Keywords: Customer Value and Value Chain; Acquisition; Retention; Safety; Natural Environment; Emerging Markets; Investment Return; Equity; Demand and Consumers; United States
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  • Article

Chris Argyris (1923–2013)

By: Amy C. Edmondson
Chris Argyris, a pioneer in the fields of organization development, organizational learning, and action science, passed away on November 16, 2013. Argyris was born in Newark, New Jersey, on July 16, 1923, to Greek immigrant parents, and grew up in Irvington, New... View Details
Keywords: Business History; Personal Development and Career
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  • October 1993 (Revised July 1994)
  • Case

A Brush with AIDS (A)

By: Joseph L. Badaracco Jr. and Jerry Useem
A product manager at a health products company is responsible for marketing sharps containers, which hospitals use to store used needles in order to protect medical workers from being pricked with AIDS-contaminated needles. After hospitals report repeated instances of... View Details
Keywords: Health; Cost vs Benefits; Motivation and Incentives; Safety; Values and Beliefs; Profit; Goals and Objectives; Compensation and Benefits; Medical Devices and Supplies Industry
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  • 01 Oct 2020
  • News

Are You Really Innovating Around Your Customers’ Needs?

  • 02 Dec 2013
  • News

Why China Loves the Internet

  • January 2009
  • Case

VOSS Artesian Water from Norway

By: Youngme E. Moon, Gail J. McGovern, Daniela Beyersdorfer and Vincent Marie Dessain
VOSS is a Norwegian bottled water company that produces one of the world's purest drinking waters, sold at an ultra-premium price in a sleek cylindrical glass bottle of minimalist design. In the U.S. (the company's primary market), VOSS's high-end brand presence is... View Details
Keywords: Brands and Branding; Marketing Channels; Marketing Strategy; Product; Luxury; Food and Beverage Industry; Norway; United States
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  • 2024
  • Working Paper

When Batteries Meet Hydrogen: Dual-Storage Investments for Load-Shifting Purposes

By: Christian Kaps and Simone Marinesi
Power systems account for nearly 40% of global emissions. As the world tries to reduce emissions by increasing renewable penetration, storage technologies are playing an increasingly important role in matching variable renewable supply with demand. Batteries have... View Details
Keywords: Environmental Sustainability; Renewable Energy; Transition; Utilities Industry; Battery Industry
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  • 01 Feb 2019
  • HBS Seminar

Xavier Jaravel, London School of Economics

  • Research Summary

Crowdsourced reviews

To determine whether online consumer reviews influence the way that reputation is formed, Professor Luca has combined reviews from the website Yelp.com with public restaurant data. He has shown that a one-star increase in Yelp ratings results in a 5- to 9-percent... View Details

  • October 2022 (Revised December 2022)
  • Case

Aphro Beverages

By: Frank V. Cespedes and Amram Migdal
This case focuses on distribution, sales, and product decisions as Aphro Beverages reaches an inflection point in its growth trajectory. In 2020, Aphro Beverages, based in Accra, Ghana, successfully launched its brand and brought two new alcoholic spirits products to... View Details
Keywords: Agribusiness; Plant-Based Agribusiness; Business Ventures; Business Growth and Maturation; Entrepreneurship; Food; Geography; Geographic Scope; Management; Growth and Development Strategy; Growth Management; Resource Allocation; Marketing; Brands and Branding; Digital Marketing; Product Marketing; Product Launch; Product Positioning; Social Marketing; Operations; Distribution; Distribution Channels; Product; Product Design; Product Development; Supply Chain; Sales; Salesforce Management; Food and Beverage Industry; Africa; Ghana
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  • July 2021 (Revised September 2024)
  • Case

Supreme: Remaining Cool While Pursuing Growth

By: Jill Avery, Sandrine Crener, Marie-Cecile Cervellon and Ranjit Thind
Following VF Corporation’s acquisition of cult streetwear brand Supreme, consumers and industry pundits were nervous that becoming part of a large, public corporation would put an end to Supreme’s slow and careful growth trajectory as pressure for quarterly results... View Details
Keywords: Marketing; Brands and Branding; Luxury; Marketing Strategy; Consumer Behavior; Growth Management; Fashion Industry; Retail Industry; United States; North America
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  • May 2017 (Revised February 2024)
  • Case

Battle for the Soul of Capitalism: Unilever and the Kraft Heinz Takeover Bid (A)

By: William W. George and Amram Migdal
This case describes Kraft Heinz Company’s (KHC) February 2017 unsolicited $143 billion takeover offer to acquire Unilever. The offer was made to Unilever CEO Paul Polman by KHC chairman Alexandre Behring, who was also co-founder and CEO of Brazilian-based 3G Capital... View Details
Keywords: Acquisition; Value Creation; Decision Choices and Conditions
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  • June 2018
  • Background Note

Introduction to Life Settlements

By: Alexander Braun, Lauren H. Cohen, Christopher J. Malloy and Jiahua Xu
Life insurance is an asset owned by the majority of American adults (61%). Note that this 61% penetration rate is essentially at parity with home ownership (64%) and higher than that of 401(k) retirement account ownership (53%). Life settlements, or life insurance... View Details
Keywords: Insurance; Assets; Value; Markets; Investment Return
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