The rapid growth of substitutes for cash, particularly debit and credit cards, has led economists to predict the advent of the “cashless society”. Yet cash holdings in most developed economies continue to grow and in the U.S., per capita currency holdings now amount to $3000. This paper...

New Estimates of U.S. Currency Abroad, the Domestic Money Supply and the Unreported Economy Edgar L. Feige * Abstract Despite financial innovations that have created important new substitutes for cash usage, per capita holdings of U.S. currency amount to $2950. Yet American households and...

This paper develops a demographic model of the currency population by examining the birth and death rates of specific denominations of currency. This framework permits empirical estimation of the average lifetime of notes in circulation and hence the currency velocity (turnovers per year) of...

This paper examines the ‘currency enigma” which arises because despite financial innovation that has created important new substitutes for cash usage, U.S. per capita currency holdings now amount to $2700. American households and businesses admit to holding only 15 percent of the stock of...

Using some special models, this study tries to quantify the size of underground economy in Romania. The exposition plan includes: 1) Models based on direct approaches; 2) Models based on indirect approaches; 3) A generalised model for the allocation of time; 4) A model based on May’s logistic;...