Money is an important instrument of calculation: as a unit of account and means of payment, it serves the purpose of exchange. Yet, it is increasingly becoming itself an object of exchange and calculation on financial markets, which tend less to the production and exchange of real goods. The question therefore is: has the economy lost its measure?

Money is an important instrument of calculation: as a unit of account and means of payment, it serves the purpose of exchange. Yet, it is increasingly becoming itself an object of exchange and calculation on financial markets, which tend less to the production and exchange of real goods. The question therefore is: has the economy lost its measure?