Publications

Find at Harvard

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; Service Industry; Service Industry; Washington (state, US)

SSRN

Read Now

Research Summary

Research

Professor Karmarkar's research in consumer behavior develops theory-driven frameworks “from the brain up”. In particular, using a combination of consumer psychology, behavioral economics, and insights from neuroscience, she investigates the factors that consciously... View Details

17 Jan 2014
Working Paper Summaries

Price Coherence and Adverse Intermediation

Keywords: by Benjamin G. Edelman & Julian Wright; Consumer Products

2016
Book

Innovation Policy and the Economy, Volume 17

By: Shane Greenstein, Josh Lerner and Scott Stern

The seventeenth volume of the National Bureau of Economic Research’s Innovation Policy and the Economy provides an accessible forum for bringing the work of leading academic researchers to an audience of policymakers and those interested in the interaction... View Details

Keywords: Innovation and Invention; Technological Innovation; Governance; Policy; Economy

July – August 2008
Article

Should You Invest in the Long Tail?

By: Anita Elberse

The blockbuster strategy is a time-honored approach, particularly in media and entertainment. When space is limited on store shelves and in traditional distribution channels, producers tend to focus on a few likely best sellers, hoping that one or two big hits will... View Details

Keywords: Demand and Consumers; Distribution Channels; Sales; Marketing Strategy; Online Technology; Motion Pictures and Video Industry; Music Industry; Retail Industry

Find at Harvard

Register to Read

February 2024 (Revised July 2024)
Case

Taffi: Entrepreneurship in Saudi Arabia

By: Paul A. Gompers and Fares Khrais

Taffi was a tech-enabled fashion styling startup founded by Shahad Geoffrey in Saudi Arabia in 2020. Within three years of operating, Geoffrey had pivoted the business multiple times. In 2023, Geoffrey was attempting the business’s most ambitious pivot yet, shifting... View Details

Keywords: Business Startups; Disruption; Entrepreneurship; Venture Capital; Investment; Growth and Development Strategy; Business Strategy; AI and Machine Learning; Fashion Industry; Technology Industry; Saudi Arabia; Arabian Peninsula

Jeffrey F Rayport is a faculty member in the Entrepreneurial Management Unit at Harvard Business School, where he teaches in the School’s MBA and Executive Education Programs and on HBS Online. His primary focus in teaching and research is growth-stage technology... View Details

March 2018
Case

Lufax: FinTech and the Transformation of Wealth Management in China

By: Christopher J. Malloy, Lauren H. Cohen and Anthony K. Woo

This case examines the rise and competitive positioning of Lufax, an online marketplace headquartered in Shanghai, China, and a pioneer in the origination and trading of financial assets. The company had grown at a remarkable rate, and was awarded “Trading Platform of... View Details

Keywords: Asset Management; Internet and the Web; Competitive Strategy; Situation or Environment; Product Positioning; Financial Services Industry; China

Ever felt the "taxes" on air travel are unduly high? In other travel contexts (most notably, rental cars), genuine government-imposed taxes often approach or even exceed the amount payable to service providers. But when airlines quote fares, they sometimes include... View Details

29 Apr 2013
Working Paper Summaries

Exclusive Preferential Placement as Search Diversion: Evidence from Flight Search

Keywords: by Benjamin G. Edelman & Zhenyu Lai; Publishing; Technology

August 2006 (Revised March 2008)
Case

iPod vs. Cell Phone: A Mobile Music Revolution?

By: David B. Yoffie, Travis D. Merrill and Michael Slind

In 2006, a nascent market for music-enabled mobile phones was emerging to challenge Apple Computer's dominant position in the digital music industry. Through its iPod line of portable digital music devices and its iTunes Music Store, Apple controlled more than half of... View Details

Keywords: Music Entertainment; Emerging Markets; Brands and Branding; Sales; Opportunities; Price; Business Model; Mobile and Wireless Technology; Digital Platforms; Service Delivery; Communications Industry; Music Industry

February 2020 (Revised April 2021)
Case

StockX: The Stock Market of Things

By: Chiara Farronato, John J. Horton, Annelena Lobb and Julia Kelley

Founded in 2015 by Dan Gilbert, Josh Luber, and Greg Schwartz, StockX was an online platform where users could buy and sell unworn luxury and limited-edition sneakers. Sneaker resale prices often fluctuated over time based on supply and demand, creating a robust... View Details

08 Aug 2011
News

Summer Venture in Management Program Offers Insights into Harvard MBA Experience

November 2019 (Revised September 2022)
Case

TripAdvisor: An Itinerary for Growth

By: Jeffrey F. Rayport, Spencer Rascoff and Susie L. Ma

In 2019, TripAdvisor was one of the best-known and most-trafficked online travel sites. For nearly 20 years, its founder and CEO Steve Kaufer had steered TripAdvisor through many phases of growth and profitability, but recently the company’s growth had started to slow.... View Details

Keywords: Business Growth and Maturation; Decision Making; Business or Company Management; Growth Management; Innovation and Invention; Brands and Branding; Operations; Customer Value and Value Chain; Information Technology; Travel Industry; Massachusetts

March 2020
Case

Hotstar

By: Krishna G. Palepu and Kairavi Dey

Hotstar was an online video streaming platform owned by Star India Private Limited, a wholly owned subsidiary of the Walt Disney Corporation. Since its launch in 2015, the platform had grown to offer over 100,000 hours of TV content, movies in nine Indian languages... View Details

Keywords: Corporate Entrepreneurship; Television Entertainment; Disruption; Business Strategy; Entertainment and Recreation Industry; Media and Broadcasting Industry; India; Mumbai

14 Nov 2017
First Look

New Research and Ideas: November 14, 2017

academic psychologists, Harvard Business School professors, directors of organizations, and government officials. Publisher's link: https://www.hbs.edu/faculty/Pages/item.aspx?num=51447 Winter 2017 Oxford Review of Economic Policy The Market Design and Policy of View Details

Keywords: Carmen Nobel

December 2010 (Revised June 2014)
Supplement

eBay Partner Network — slide supplement

By: Benjamin Edelman

eBay considers adjustments to the structure and rules of its affiliate marketing program, eBay Partner Network (ePN). In particular, eBay reevaluates affiliate compensation structure, the role of bonuses for especially productive affiliates, and the overall rationale... View Details

Keywords: History; Job Cuts and Outsourcing; Internet and the Web; Markets; Marketing Channels; Negotiation Participants; Marketing; Compensation and Benefits; Service Industry