Sarah Rehkamp

Research Agricultural Economist


Sarah Rehkamp is a Research Agricultural Economist with the Food Markets Branch in the Food Economics Division at the Economic Research Service (ERS). Her current research interests include the food value chain, food system resource use, and dietary patterns.


Sarah rejoined ERS in 2021. Before returning to ERS, she was a faculty member at the University of Hawaii at Manoa working in cooperative extension.


Sarah earned a Post-Master's Certificate in Quantitative Methods in Applied Economics from Johns Hopkins University. She received an M.S. in Agricultural Economics from the University of Nebraska-Lincoln and a B.A. in Economics from Augsburg College.

Professional Affiliations

Sarah is a member of the Agricultural and Applied Economics Association (AAEA) and Western Agricultural Economics Association (WAEA).

Selected Publications

Yi, J., S. Cohen, S. Rehkamp, P. Canning, M. Gómez, and H. Ge. 2023. “Overcoming Data Barriers in Spatial Agri-food Systems Analysis: A Flexible Imputation Framework,” Journal of Agricultural Economics.

Hitaj, C., S. Rehkamp, P. Canning, and C.J. Peters. 2019. “Greenhouse Gas Emissions in the United States Food System: Current and Healthy Diet Scenarios,” Environmental Science and Technology 53(9):5493–5503.

Rehkamp, S., and P. Canning. 2018. “Measuring Embodied Blue Water in American Diets: An EIO Supply Chain Approach,” Ecological Economics 147(C):179–188.

Rehkamp, S., and P. Canning. 2017. “The Potential for Healthier and Energy Efficient American Diets,” Choices 32(3).