Thorough, well-documented economic analyses can make an important contribution to the evidence base on what works, and at what cost, in improving food security and nutrition in varying contexts and circumstances. Some nutrition and food security intervention studies have explicitly incorporated economic analyses into their evaluations. Examples include evaluations of interventions to address micronutrient deficiencies in low- and middle-income countries and behavior change programs aimed at diet modifications as summarized in two review articles, 1 Fattore G. Ferrè F. Meregaglia M. Fattore E. Agostoni C. Critical review of economic evaluation studies of interventions promoting low-fat diets. Nutr Rev. 2014; 72: 691-706 Crossref PubMed Scopus (8) Google Scholar , 2 Gyles C.L. Lenoir-Wijnkoop I. Carlberg J.G. et al. Health economics and nutrition: A review of published evidence. Nutr Rev. 2012; 70: 693-708 Crossref PubMed Scopus (34) Google Scholar school meal programs, 3 Woodward-Lopez G. Kao J. Kiesel K. et al. Is scratch-cooking a cost-effective way to prepare healthy school meals with us department of agriculture foods?. J Acad Nutr Diet. 2014; 114: 1349-1358 Abstract Full Text Full Text PDF PubMed Scopus (9) Google Scholar school-based nutrition education, 4 Graziose M.M. Koch P.A. Wang Y.C. Lee Gray H. Contento I.R. Cost-effectiveness of a nutrition education curriculum intervention in elementary schools. J Nutr Educ Behav. 2017; 49 (e681): 684-691 Abstract Full Text Full Text PDF PubMed Scopus (25) Google Scholar the Expanded Food and Nutrition Education Program, 5 Baral R. Davis G.C. Blake S. You W. Serrano E. Using national data to estimate average cost effectiveness of EFNEP outcomes by state/territory. J Nutr Educ Behav. 2013; 45: 183-187 Abstract Full Text Full Text PDF PubMed Scopus (9) Google Scholar , 6 Serrano E. McFerren M. Lambur M. et al. Cost-effectiveness model for youth EFNEP programs: What do we measure and how do we do it?. J Nutr Educ Behav. 2011; 43: 295-302 Abstract Full Text Full Text PDF PubMed Scopus (3) Google Scholar and a hypothetical US sugar-sweetened beverage tax. 7 Long M.W. Gortmaker S.L. Ward Z.J. et al. Cost effectiveness of a sugar-sweetened beverage excise tax in the U.S. Am J Prev Med. 2015; 49: 112-123 Abstract Full Text Full Text PDF PubMed Scopus (130) Google Scholar K. P. Adams is an assistant project scientist, Department of Nutrition, University of California, Davis. J. A. Lee is an Altarum fellow, Altarum, Ann Arbor, MI. E. Piltch is a Hunger Free Communities Study Coordinator, Academy of Nutrition and Dietetics Foundation, Chicago, IL. E. Y. Jimenez is director, Nutrition Research Network, Academy of Nutrition and Dietetics, Chicago, IL, and research associate professor, Departments of Pediatrics and Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque.