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INFORMS Analytics Collections: Online Marketplaces
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GENERAL THEORY

On Information Distortions in Online Ratings

Published Online:

Operations Research

    Abstract
    Consumer reviews and ratings of products and services have become ubiquitous on the Internet. This paper analyzes, given the sequential nature of reviews and the limited feedback of such past reviews, the information content they communicate to future ...
Large-Scale Service Marketplaces: The Role of the Moderating Firm

Published Online:

Management Science

    Abstract
    Recently, large-scale, Web-based service marketplaces, where many small service providers compete among themselves in catering to customers with diverse needs, have emerged. Customers who frequent these marketplaces seek quick resolutions and thus are ...
Expertise in Online Markets

Published Online:

Management Science

    Abstract
    We examine the effect of the presence of expert buyers on other buyers, the platform, and the sellers in online markets. We model buyer expertise as the ability to accurately predict the quality, or condition, of an item, modeled as its common value. We ...
Dispute Resolution or Escalation? The Strategic Gaming of Feedback Withdrawal Options in Online Markets

Published Online:

Management Science

    Abstract
    Many online markets encourage traders to make good after an unsatisfactory transaction by offering the opportunity to withdraw negative reputational feedback in a dispute resolution phase. Motivated by field evidence and guided by theoretical ...
An Analysis of Search and Authentication Strategies for Online Matching Platforms

Published Online:

Management Science

    Abstract
    Compared to offline matching markets, online matching platforms improve search in the matching process but at the same time increase the problem of authenticating the features and credentials of prospective matches. This paper examines the interplay ...
Competition Between Two-Sided Platforms Under Demand and Supply Congestion Effects

Published Online:

M&SOM

    Abstract
    Problem definition : This paper explores the impact of competition between platforms in the sharing economy. Examples include the cases of Uber and Lyft in the context of ride-sharing platforms. In particular, we consider competition between two ...
Optimal Commissions and Subscriptions in Networked Markets

Published Online:

M&SOM

    Abstract
    Problem definition: We consider a platform that charges commission rates and subscription fees to sellers and buyers for facilitating transactions but does not directly control the transaction prices, which are endogenously determined. Buyers and sellers ...
Optimal Growth in Two-Sided Markets

Published Online:

Management Science

    Abstract
    We develop a theoretical model of optimal growth in two-sided markets. The model posits that market output (number of transactions) is a function of the stock of supply and demand. This market output is modeled using a homogeneous production function, ...
Dynamic Type Matching

Published Online:

M&SOM

    Abstract
    Problem definition: We consider an intermediary’s problem of dynamically matching demand and supply of heterogeneous types in a periodic-review fashion. Specifically, there are two disjoint sets of demand and supply types, and a reward for each possible ...
Managing Congestion in Matching Markets

Published Online:

M&SOM

    Abstract
    Problem definition : Participants in matching markets face search and screening costs when seeking a match. We study how platform design can reduce the effort required to find a suitable partner. Practical/academic relevance : The success of matching ...
Facilitating the Search for Partners on Matching Platforms

Published Online:

Management Science

    Abstract
    Two-sided matching platforms can control and optimize over many aspects of the search for partners. To understand how matching platforms should be designed, we introduce a dynamic two-sided search model with strategic agents who must bear a cost to ...
Precommitments in Two-Sided Market Competition

Published Online:

M&SOM

    Abstract
    Problem definition: We consider a two-sided market competition problem where two platforms, such as Uber and Lyft, compete on both supply and demand sides and study the impact of precommitments in a variety of practically motivated instruments on the ...
Vanderbilt’s Eric Johnson on The Sharing Economy

INFORMS

Published Online: July 22, 2016

Virtual Teams in a Gig Economy

INFORMS

Published Online: May 24, 2021

Ramesh Johari: The engineer as economist - designing online market platforms

mediaXstanford

Published Online: February 5, 2013

How online marketplaces can help local economies, not hurt them

Amane Dannouni

Published Online: February 14, 2020

TED Talk

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