Prior to his positions at Tufts, Wilde worked for the Economic Research Service. He is currently involved with research on the Supplemental Nutrition Assistance Program (SNAP), the WIC program (for women, infants, and children), and the effect of the local food retail environment. His previous research includes work on the Economics of the Thrifty Food Plan, Federal commodity check-off programs, and food and beverage advertisements aimed at children. He is interested in food policy in the United States, consumer economics, and food assistance programs. Wilde has published numerous articles in leading nutrition science and agricultural economics peer reviewed journals. He also blogs regularly about food policy in the United States.