I have 42 years of experience and specialize in the field of economics with specific knowledge in the areas of production economics, agricultural economics and econometrics. I have published on such topics as biofuel feedstock supply, cost economies of the dairy industry and agricultural productivity growth. I have testified 9 times on topics such as the economic impact of stray voltage on dairy production, the economic impact of feed contamination on dairy production and the economic impact of burning bans on bluegrass seed producers.