An Easily Understandable Explanation of Derivative Markets : Heidi is the proprietor of a bar in the city. She realizes that virtually all of her customers are unemployed alcoholics and, as such, can no longer afford to patronize her bar. To solve this problem, she comes up with new marketing plan that allows her customers to drink now, but pay later. She keeps track of the drinks consumed on a ledger (thereby granting the customers loans). Word gets around about Heidi's "drink now, pay later" marketing strategy and, as a result, increasing numbers of customers flood into Heidi's bar. Soon she has the largest sales volume for any bar in the city. By providing her customers' freedom from immediate payment demands, Heidi gets no resistance when, at regular intervals, she substantially increases her prices for wine and beer, the most consumed beverages. Consequently, Heidi's gross sales volume increases massively. A young and dynamic vice-president at the local b
