Four case studies are presented to demonstrate the economic development potential of partnerships between community colleges and public and private sectors, focusing on programs that targeted a specific area of need in Oregon's economic base and raised significant funds for program implementation. Introductory comments provide background information and discuss the partnerships in terms of their benefits to the partners and to the public. The four case studies describe the public-private partnerships in detail, including discussions of the objectives, conception, funding strategy, and problems of each. The first case study is of the Fisherman Technology Program at Clatsop Community College, a marine and commercial fishing program designed to provide technical information and training in fish-finding systems and other technological advances to captains of United States fishing vessels. The Cascade Business Center Corporation is the subject of the second case study. The Corporation is a "business incubator" partnership at Portland Community College (PCC) formed to improve economic conditions in Northeast Portland by providing education, consultation, and professional support services to new and emerging small businesses, with preference given to minority- and women-owned businesses. The third case study describes the 2+2+2 Cooperative Honors Program in Electrical Engineering and Computer Engineering offered by PCC, the University of Portland, and Oregon Graduate Center to meet the needs of the high technology industry in metropolitan Portland. Finally, the fourth case study focuses on ED-NET, a statewide instructional television fixed service (ITFS) microwave system developed by 15 Oregon community colleges to bring specialized and custom-designed educational programs to underserved groups throughout the state. Additional materials include two articles from "Oregon Business," a list of participating Portland businesses, a course of study for 2+2+2, and maps showing the range of the ITFS microwave system. (LAL)