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 ...

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?

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 ...