AN ECONOMIC EVALUATION OF FLUID MILK SUPPLY, MOVEMENT AND UTILIZATION III FLORIDA INTRODUCTION A knowledge of market conditions and alternative courses of action by both buyers and sellers is among the several assumptions which must be met for a milk market to be considered competitive./ The marketing of dairy products involves a vast array of individuals, firms and agencies. Each has a need for general market information plus a specialized knowledge of quality, quantity, demand and price in the market for the particular commodity handled. Market growth potential also needs to be ascertained and made known to all members of the dairy industry. Costs and margins for producing, processing and distributing fluid milk are examples of types of economic in- formation necessary in appraising the efficiency of the marketing of dairy products, Operators of dairy farms should be informed as to current and potential milk supplies and present utilization of milk in their own and alternative market areas. In regulated markets, they should understand methods used by control agencies in pricing milk. They should be aware of the effects of seasonal patterns of production and consumption of milk on price. They should also know something of their relative competitive position in the production of milk, especially as this affects the movement of milk between producing areas, Defining the Problem For the past 20 to 25 years, the dairy industry in Florida has experienced rapid and continuous changes in (1) economic conditions (2) population characteristics of its markets and (3) technology of producing, processing and distributing its products. 1/Many markets for processed milk products approximate an oligopoly with a few large sellers of brand-differentiated products and many small buyers. The small number and large size of dairy farms in Florida markets results in conditions similar toan oligopsony as well.