... thanhalf the functioning money supply, commonly called M1, at thebeginning of 19 99. 1 Money, Banks, and Finance 16 7 1. More precisely, M1, referred to as the “basic” or “functioning” moneysupply, ... a theater, and saythere are 10 0 people and you have the rush-to-the-exit problem. Withderivatives, it’s as if without your knowing it, there are another 500 peoplein the theater, and you can’t ... other. Suppose I come and sell my potatoes for money and then my six-year-old breaks his armrunning around underneath the vegetable stands, I take him to theemergency room, and by the time we...