A study to determine the economic impact of Rockland Community College on Rockland County used models based on four spending sources, the college as a corporation, the faculty and staff as private individuals, the students as private individuals, and visitors. Questionnaires were used to assess faculty and student monthly expenditures and amounts maintained in local banks. Other data considered were: expenditures to county vendors, compensation to faculty and students, payments from other than college operating funds, payments to government agencies, and bank balances for the student tuition account. The study revealed that the county contributed $2,637,000 to the college and the college then brought state money ($5,027,848), federal money ($1,062,194), and student tuition ($4,703,527) back into county circulation. Taking into account the multiplier effect of reinvested money, for each dollar the county contributed, ten dollars were returned to the local economy through direct college expenditures and purchases of individuals associated with the college. The total local economic impact generated by the college fell within 24 to 29.5 million dollars annually. Projections are included in the report for changes in enrollments (increases or decreases), for chargebacks caused by students going elsewhere, and for changes occurring if there were no college in Rockland County. (MB)