Dr. Guthrie's interest and research have long been oriented toward the Indiana economy and northeast Indiana in particular. He served as the Director of the Community Research Institute, which he started in 1982. The CRI provides research relating to the social and economic conditions and outlook for northeast Indiana.
"An Economic Analysis of Fort Wayne's Bicentennial Year (1994) in Sports" with Valerie A. Richardson, prepared for Fort Wayne Sports Corporation, December 1995.
"Private Losses and Public Costs of Environmental Deterioration and Restoration" with Sharon L. Levick and William F. Grant, Indiana Academy of the Social Sciences, Proceedings, 1994.
Dr. Guthrie has served as metropolitan ( Fort Wayne) area contributor to the semi-annual outlook editions of the Indiana Business Review. He is a professional member of the American Economics Association, the National Association of Business Economists, and is a member of the Federal Reserve Bank of Chicago's Midwest Economists Round table. Dr. Guthrie is also Chairman and member of the Board of Directors of the Farmers and Merchants Bank, LaOtto, Indiana.
Dr. Guthrie retired in December, 2003, after 33 years of service to Indiana University-Purdue University Fort Wayne.