This case study investigated operations of cooperative federations in marketing milk in the Chicago regional federal order market in the early and mid-1970s. The Associated M ilk Producers Incorporated (AMPI) Agency qualified supply plants of participating firms, provided supplemental milk to processors, and marketed their surplus milk. Central Milk Producers Cooperative (CMPC) negotiated a superpool price for class I milk, advance priced some class II and III milk, levied handling charges, and implemented a variety of marketing programs. Economic consequences of these activities are evaluated
