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Journal of Banking & Finance Vol. 154 2023

Imposing Choice on the Uninformed: The Case of Dynamic Currency Conversion

Christian Ewerhart1; Sheng Li2

1 University of Zurich · 2 University of Strathclyde

open access

Abstract

Over the course of the past two decades, it has become a common experience for consumers authorizing an international transaction via credit card to be invited to choose the currency in which they wish the transaction to be executed. While this choice, made feasible by a technology known as dynamic currency conversion (DCC), seems to foster competition, we argue that the opposite is the case. In fact, the unique pure-strategy equilibrium in a natural fee-setting game, with uninformed and possibly inattentive consumers, turns out to be highly asymmetric, entailing fees for the service provider that persistently exceed the monopoly level. Although losses in welfare may be substantial, a regulatory solution is unlikely to come about due to a global free-rider problem.

DOI
10.1016/j.jbankfin.2023.106917
Volume
154
Pages
106917
Language
en
Sources
openalex crossref bibtex:phds-export.bib

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