She is also Associate Director of the Tufts/University of Connecticut RIDGE (Research Innovation and Development Grants in Economics) Program, funded by the U.S. Department of Agriculture. Her research on obesity and food policy focuses on the role of economic incentives in food choices and diet. Her main areas of expertise are in economic evaluation of policy changes, assessment of the food environment in food stores, communities and child care settings, obesity cost analysis, and interventions in food assistance programs.