Traditionally, online retailers have acted as product resellers. Recently, these retailers have
also started to serve as online marketplaces by providing a platform to directly connect …

This Chapter provides a survey of the economics literature on multi-sided platforms with
particular focus on competition policy issues, including market definition, mergers …

We measure consumers' use of cash by harmonizing payment diary surveys from seven
countries. The seven diary surveys were conducted in 2009 (Canada), 2010 (Australia) …

This paper surveys the economics literature on payment cards, focusing on the role of
interchange fees, merchant internalization, surcharging and two-sided markets. The paper …

Using transaction-level data from a three-day shopping diary, we estimate a model of
consumer payment instrument choice that disentangles the effect of merchant card …

Considering environmentally conscious consumers, a manufacturer, and a sales platform
which provides eco-labels for qualified manufacturers, this paper develops a supply chain …

Platforms that intermediate trades—such as Amazon, Airbnb, and eBay—play a regulatory
role in deciding how to govern the marketplaces they create. We propose a framework to …

Recent studies find that cash remains the dominant payment choice for small‐value
transactions despite the prevalence of alternative payment methods such as debit and credit …

Platforms greatly facilitate transactions between buyers and sellers. At the same time, this
allows platforms to gather detailed information on transactions and tailor their strategies …

This paper uses discrete-choice models to quantify the role of consumer socioeconomic
characteristics, payment instrument attributes, and transaction features on the probability of …