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CREDIT CARDS, THE DEMAND FOR MONEY, AND MONETARY AGGREGATION
Published online by Cambridge University Press: 24 August 2021
Abstract
We use nonparametric and parametric demand analysis to empirically estimate a credit card-augmented monetary asset demand system, based on the Minflex Laurent flexible functional form, and a sample period that includes the 2007–2009 global financial crisis and the COVID-19 pandemic. We also use multivariate copulae in an attempt to capture various patterns of dependence structures. In doing so, we relax the joint normality assumption of the errors of the demand system and estimate the model without having to delete one equation as is usually the practice. We show that the Minflex Laurent copula-based demand system produces a higher income elasticity for credit card transaction services and higher Morishima elasticities between credit card transaction services and monetary assets compared to the traditional estimation of the Minflex Laurent demand system. We also show that credit cards are substitutes for monetary assets and that there is lower tail dependence between the demand for credit card transaction services and transaction balances.
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- © The Author(s), 2021. Published by Cambridge University Press
Footnotes
This paper is based on Chapter 4 of Jinan Liu’s Ph.D. thesis at the University of Calgary. We would like to thank William Barnett, an Associate Editor, three anonymous referees, and Libo Xu for useful comments that greatly improved the paper. We would also like to thank the following members of Jinan’s dissertation committee: Daniel Gordon, David Walls, and Atsuko Tanaka.
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