Format of Original
Bureau of Economic and Business Research
Illinois Business Review
Davis, John B., "Illinois Gross State Product" (1978). Economics Faculty Research and Publications. 370.
Published version. Illinois Business Review, Vol. 35, No. 5 (June 1978): 3. Publisher Link. © 1978 Bureau of Economic and Business Research, University of Illinois at Urbana-Champaign College of Business, Office of Research. Used with permission.