Adoption of a new payment method: FB3-5/2017-28E-PDF

theory and experimental evidence /

"We model the introducation of a new payment method, e.g., e-money, that competes with an existing payment method, e.g., cash. The new payment method involves relatively lower per-transaction costs for both buyers and sellers, but sellers must pay a fixed fee to accept the new payment method. As a result of the network effects, our model admits two symmetric pure strategy Nash equilibria. In one equilibrium, the new payment method is not adopted and all transactions continue to be carried out using the existing payment method. The equilibrium involving only the new payment method is socially optimal as it minimizes total transaction costs. Using this model, we study the question of equilibrium selection by conducting a laboratory experiment. We find that, depending on the fixed fee charged for the adoption of the new payment method and on the choices made by participants on both sides of the market, either equilibrium can be selected. More precisely, a lower fixed fee for sellers favors very quick adoption of the new payment method by all participants, while for a sufficiently high fee, sellers gradually learn to refuse to accept the new payment method and transactions are largely conducted using the existing payment method. We also find that an evolutionary learning model captures the dynamics of the experimental data well."--Abstract, p. ii.

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Department/Agency Bank of Canada.
Title Adoption of a new payment method
Subtitle theory and experimental evidence /
Series Title Bank of Canada staff working paper,
Publication Type Series - View Master Record
Language [English]
Format Electronic
Electronic Document

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Note "July 2017."
Date 2017.
Number of Pages [74] p. :
Catalogue Number
  • FB3-5/2017-28E-PDF
Subject Terms Economy, Currency