As for the wise, they believe that money has four functions: that we use to purchase materials and services; to save a portion of it for emergencies, to invest a part of what we have saved in order to ...

In 1875, economist William Stanley Jevons expounded his four functions of money, encapsulated in the 1919 rhyme, “Money’s a matter of functions four, A Medium, a Measure, a Standard ...

What are the four functions of money and which one is not represented by a $100 bill? Why is it unusual that demand for $100 bills has surged even with the US Federal Reserve raising interest rates?