In these days of changing agricultural,food and trade environments and policies, agricultural producers are facing necessity of strengthen their competitiveness by reducing production costs, producing highly value-added and differentiated agricultural products, and corresponding to new agricultural technologies. Our research and education mainly focus on finding the way of supporting such producers by elucidating consumer demand for agricultural and food products and evaluating impacts of policies and programs using the analytical frameworks of economics, econometrics (or statistics) and the marketing research, and by drawing evidence-based policy recommendations.