Publications

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

Find at Harvard

Read Now

12 Apr 2011
News

Twelve Global Finalists Compete at HBS

shared mobile-based longitudinal Electronic Health Records via mobile phone. AVA is an invitation-only shopping platform. The company addresses the gap between the growing market demand for fashion and the lack of availability of branded merchandise and View Details

Keywords: Multiple alumni

01 Oct 2000
News

Lydia M. Marshall: Gumption and Grace

notes, "and it was very exciting to be a part of it." In 1999, Marshall decided to do something completely different. The result, VentureThink, is a start-up that aims to create, build, and manage e-commerce businesses. With the budding... View Details

Keywords: Susan Young

01 Dec 2017
News

2017 in Real Estate: A Local Business Goes Global

we need less office space; e-commerce will mean we will need less retail space and new kinds of industrial buildings. Autonomous vehicles—if the ethical, legal, and technical issues can be resolved—may reduce the need for roads and... View Details

Keywords: Real Estate

May 2023
Article

Self-Preferencing at Amazon: Evidence from Search Rankings

By: Chiara Farronato, Andrey Fradkin and Alexander MacKay

We study whether Amazon engages in self-preferencing on its marketplace by favoring its own brands (e.g., Amazon Basics) in search. To address this question, we collect new micro-level consumer search data using a custom browser extension installed by a panel of study... View Details

Keywords: Consumer Behavior; E-commerce; Product Positioning; Brands and Branding

February 2021 (Revised February 2021)
Background Note

eGrocery and the Role of Data for CPG Firms

By: Ayelet Israeli, Fedor (Ted) Lisitsyn and Mark A. Irwin

This notes provides information about the eGrocery industry and how traditional CPG companies handle this channel and potential data. It is recommended to use together with a series of exercises entitled: "E-Commerce Analytics for CPG Firms (A), (B), and (C)." View Details

June 2020 (Revised August 2020)
Case

Majid Al Futtaim Retail Geographic Expansion: Brick or Click?

By: Juan Alcácer and Alpana Thapar

This case illustrates the challenges that retailers face when they aggressively pursue geographical growth by expanding both their physical store network and their online presence. It features Majid Al Futtaim (MAF) Retail, a franchisee of Carrefour hypermarkets in the... View Details

Keywords: Stores; Ecommerce; Strategy; Expansion; Geographic Location; Decision Making; Internet and the Web; Digital Transformation; E-commerce; Retail Industry; Middle East

January 2017
Case

Expanding Ecommerce at Technos

By: Thales Teixeira, Rohit Deshpandé, Ruth Costas and Priscilla Zogbi

Technos was the market leader in the Brazilian watch market. Its CEO had made a firm commitment to evolve the company’s marketing and commercial practices by focusing less on pushing product to retail clients and more on branding to end consumers to pull watches from... View Details

October 2024
Case

EU's Digital Services Act and Digital Markets Act

By: David B. Yoffie and Sarah von Bargen

Since the early 2020s, the EU began passing regulations on digital platforms and their marketplaces. One of the first was the Digital Services Act package, consisting of the Digital Services Act (DSA) and the Digital Markets Act (DMA). These regulations were focused on... View Details

Keywords: Digital Platforms; E-commerce; Governing Rules, Regulations, and Reforms; Cybersecurity; European Union

April 2016
Teaching Note

Flipkart: Transitioning to a Marketplace Model

By: Sunil Gupta and Das Narayandas

In 2015, Sachin and Binny Bansal, co-founders of India's largest e-tailer, Flipkart, announced that the company would switch to a marketplace model and move its logistics arm into a separate company. At the time of the announcement, Snapdeal already claimed to be... View Details

Keywords: India; Marketplaces; Digital Platforms; Internet and the Web; Market Entry and Exit; E-commerce; Retail Industry; India

December 2016
Case

thredUP: Think Secondhand First

By: Thomas Eisenmann, Allison Ciechanover and Jeff Huizinga

In the fall of 2016, the management team at thredUP, the largest U.S. online retailer of second hand clothing, is deciding whether to expand into international markets. Over the past 12 months the 7-year-old startup, which had raised over $130 million in venture... View Details

Keywords: Scaling Start-ups; International Expansion; Online Consignment; Apparel; Internet and the Web; Expansion; Entrepreneurship; Global Strategy; Business Startups; E-commerce; Apparel and Accessories Industry; Retail Industry; San Francisco