series: EI 2006-43
Does rounding matter for payment efficiency?
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Theory predicts that dismissing the 1 and 2 euro cent coins from the denominational range of the euro leads to more payment efficiency. To examine whether this theory holds true in practice, we collected data for the Netherlands before and after September 1 2004, which marks the day that retail stores were allowed to round all amounts at 5 euro cents. The data consist of wallet contents for three cross sections of individuals. We propose a multivariate Poisson- log Normal model to analyze these data. We find that rounding leads to less 1 and 2 cent coins in wallets, but that still other coins are over or underrepresented, thereby suggesting that the euro range does not yet lead to fully efficient payment behavior.
- C15 : Simulation Methods; Monte Carlo Methods; Bootstrap Methods
- C35 : Discrete Regression and Qualitative Choice Models; Discrete Regressors
- E51 : Money Supply; Credit; Money Multipliers
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