曹添旺Chen, Chau-NanChau-NanChenTsaur, Tien-WangTien-WangTsaur2009-02-032018-06-282009-02-032018-06-281984-03http://ntur.lib.ntu.edu.tw//handle/246246/117812en-USCurrency Denominations,Currency Substitution,and the Price Leveljournal article