The Adoption Process of Payment Cards: An Agent-Based Approach

What is it about?

The authors investigate the payment adoption rate under consumers’ and merchants’ awareness of network externalities, given two levels of interchange fees in a multi-agent card market. For the purpose of their research, in multiple instantiations of the model (scenarios) the investigated effects are analyzed over the complete process of adoption, until the market’s saturation point is achieved. Then, for each scenario, a comparison is made between two different levels of interchange fees and different degrees of consumers’ and merchants’ awareness. To this end, the authors model explicitly the interactions between consumers and merchants at the point of sale. They allow card issuers to charge consumers with fixed fees and provide net benefits from card usage, whereas acquirers can charge fixed and transactional fees to merchants.

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Photo by Clay Banks on Unsplash

Photo by Clay Banks on Unsplash

Why is it important?

To identify factors that drives the adoption of more efficient payment methods; it is relevant for evidence based policy advice.

Perspectives