Two-sided Network - Publications - Faculty & Research - Harvard Business School

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June 2007
Article

Merchant or Two-Sided Platform?

By: Andrei Hagiu

This paper provides a first pass at clarifying the economic tradeoffs between two polar strategies for market intermediation: the "merchant" mode, in which the intermediary buys from sellers and resells to buyers; and the "two-sided platform" mode, under which the... View Details

Keywords: Merchants; Two-sided Platforms; Intermediaries; Two-Sided Markets; Digital Platforms

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2007
Working Paper

Proprietary vs. Open Two-Sided Platforms and Social Efficiency

By: Andrei Hagiu

This paper identifies a fundamental economic welfare tradeoff between two-sided open platforms and two-sided proprietary (closed) platforms connecting consumers and producers. Proprietary platforms create two-sided deadweight losses through monopoly pricing but at the... View Details

Keywords: Two-Sided Markets; Platforms; Indirect Network Effects; Product Variety; Social Efficiency; Two-Sided Platforms; Network Effects; Welfare or Wellbeing

2021
Working Paper

Exclusive Dealing and Entry by Competing Two-Sided Platforms

By: Cristian Chica, Kenneth Chuk and Jorge Tamayo

We study competition between horizontally differentiated platforms offering exclusive and non-exclusive contracts to one side of the market (content providers). The introduction of non-exclusive contracts in addition to exclusive contracts softens the competition for... View Details

Keywords: Two-Sided Markets; Platform Price Competition; Network Externalities; Exclusive Contracts; Multi-homing; Digital Platforms; Price; Competition; Contracts

Article

Two-Sided Platforms: Product Variety and Pricing Structures

By: Andrei Hagiu

This paper provides a new modeling framework to analyze two-sided platforms connecting producers and consumers. In contrast to the existing literature, indirect network effects are determined endogenously, through consumers' taste for variety and producer competition.... View Details

Keywords: Pricing Structure; Indirect Network Effects; Product Variety; Price; Network Effects; Two-Sided Platforms; Product; Renting or Rental; Competition

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Strategies for Two-Sided Markets

Many blockbuster products and services that have redefined the global business landscape are built around platforms that tie together two distinct groups of users in a network. Examples include credit cards that link consumers and merchants; operating systems that... View Details

21 Jun 2007
Working Paper Summaries

Merchant or Two-Sided Platform?

Keywords: by Andrei Hagiu; Technology

2021
Working Paper

Deep Learning for Two-Sided Matching

By: Sai Srivatsa Ravindranatha, Zhe Feng, Shira Li, Jonathan Ma, Scott Duke Kominers and David Parkes

We initiate the use of a multi-layer neural network to model two-sided matching and to explore the design space between strategy-proofness and stability. It is well known that both properties cannot be achieved simultaneously but the efficient frontier in this design... View Details

Keywords: Strategy-proofness; Deep Learning; Two-Sided Platforms; Marketplace Matching; Balance and Stability

03 Jun 2010
Working Paper Summaries

Platforms and Limits to Network Effects

Keywords: by Hanna Halaburda & Mikolaj Jan Piskorski

Research Summary

Social Networks and Unraveling in Labor Markets

This paper develops a model of local unraveling (or early hiring) in entry-level labor markets. Information about workers' productivity is revealed over time and transmitted credibly via a two-sided network connecting firms and workers. While employment starts only... View Details

May 2016 (Revised January 2018)
Case

Airbnb, Etsy, Uber: Acquiring the First Thousand Customers

By: Thales S. Teixeira and Morgan Brown

By 2016, two-sided online platforms (or marketplaces) were pervasive among the highest growing internet startups around. These marketplaces sought to match suppliers of assets for rent, physical products or services with customers demanding them. Among the most notable... View Details

Keywords: Airbnb; Etsy; Uber; Growth Hacking; Two-sided Market; Internet and the Web; Marketing Strategy; Digital Platforms; Digital Marketing; Business Startups; Transportation Industry; Accommodations Industry

July 2021
Article

Outsourcing Tasks Online: Matching Supply and Demand on Peer-to-Peer Internet Platforms

By: Zoë Cullen and Chiara Farronato

We study the growth of online peer-to-peer markets. Using data from TaskRabbit, an expanding marketplace for domestic tasks at the time of our study, we show that growth varies considerably across cities. To disentangle the potential drivers of growth, we look... View Details

Keywords: Two-sided Market; Two-sided Platforms; Peer-to-peer Markets; Platform Strategy; Sharing Economy; Platform Growth; Internet and the Web; Digital Platforms; Strategy; Market Design; Network Effects

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2013
Working Paper

Competing by Restricting Choice: The Case of Search Platforms

By: Hanna Halaburda and Mikolaj Jan Piskorski

Seminal papers recommend that platforms in two-sided markets increase the number of complements available. We show that a two-sided platform can successfully compete by limiting the choice of potential matches it offers to its customers while charging higher prices... View Details

Keywords: Matching Platform; Indirect Network Effects; Limits To Network Effects; Decision Choices and Conditions; Network Effects; Two-Sided Platforms; Marketplace Matching; Competitive Strategy

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

February 2022
Teaching Note

AptDeco: Circular Economy Furniture Marketplace

By: Ayelet Israeli

Teaching Note for HBS Case No. 521-069. AptDeco, a used furniture marketplace, was growing rapidly in the tri-state area. The co-founders were confident that the business model, financial position, and unit economics positioned AptDeco for scaling in the massive $120... View Details

Keywords: E-Commerce Strategy; Mobile; Word-of-Mouth; Word Of Mouth; Word-of-mouth Marketing; Internet Marketing; Growth Strategy; Platform; Platforms; Two Sided Markets; Two-sided Market; Two-sided Marketplace; Two-Sided Markets; Two-sided Network; Black Entrepreneurs; Black Leadership; African Americans; African-American Protagonist; Circular; Peer-to-peer Markets; Furniture Industry; Growth Hacking; Monetization Strategy; Growth Management; Marketing Strategy; Entrepreneurship; Digital Platforms; Marketing Channels; Digital Marketing; Consumer Behavior; Acquisition; Retention; Growth and Development Strategy; Customer Focus and Relationships; Expansion; Brands and Branding; E-commerce; Retail Industry; Consumer Products Industry; Technology Industry; Web Services Industry; United States; North America; New York (city, NY); New York (state, US)

February 2021 (Revised March 2021)
Case

AptDeco: Circular Economy Furniture Marketplace

By: Ayelet Israeli and Jamie Merkrebs

AptDeco, a used furniture marketplace, was growing rapidly in the tri-state area. The co-founders were confident that the business model, financial position, and unit economics positioned AptDeco for scaling in the massive $120 billion furniture market, despite its... View Details

June 2016 (Revised January 2018)
Case

Airbnb, Etsy, Uber: Growing from One Thousand to One Million Customers

By: Thales S. Teixeira and Morgan Brown

By 2016, two-sided online platforms (or marketplaces) were pervasive among the highest growing internet startups around. These marketplaces sought to match suppliers of assets for rent, physical products or services with customers demanding them. Among the most notable... View Details

Keywords: Airbnb; Etsy; Uber; Growth Hacking; Two Sided Markets; Digital Platforms; Marketing; Digital Marketing; Growth Management; Service Industry

2008
Working Paper

Platform Competition, Compatibility, and Social Efficiency

By: Ramon Casadesus-Masanell and Francisco Ruiz-Aliseda

Katz and Shapiro (1985) study systems compatibility in settings with one-sided plat- forms and direct network effects. We consider systems compatibility in settings with two-sided platforms and indirect network effects to develop an explanation why markets with... View Details

Keywords: Network Effects; One-Sided Platforms; Two-Sided Platforms; Competition

12 Feb 2009
Working Paper Summaries

Platform Competition, Compatibility, and Social Efficiency

Keywords: by Ramon Casadesus-Masanell & Francisco Ruiz-Aliseda; Computer

June 2023
Supplement

Clash of Two Giants Simulation Exercise

By: Feng Zhu and Marco Iansiti

Many markets are organized around platforms that connect consumers with complementary applications and services. These platforms are two-sided because both sides - consumers and those providing applications or services - need access to the same platform to interact. A... View Details

Keywords: Customer Acquisition; Platform Strategy; Technology Platform; Digital Platforms; Competitive Strategy; Network Effects

April 2009 (Revised November 2012)
Case

Sermo, Inc.

By: Thomas R. Eisenmann and Lars Peter Christian Nielsen

Sermo operates the leading online professional network for physicians in the United States. Doctors use Sermo free of charge to post surveys regarding diagnostic and treatment concerns and to discuss these concerns, as well as challenges with managing their practices.... View Details

Keywords: Entrepreneurship; Health Care and Treatment; Knowledge Sharing; Two-Sided Platforms; Conflict and Resolution; Social and Collaborative Networks; United States

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