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econ.GN2025

Impacts of large-scale food fortification on the cost of nutrient-adequate diets: a modeling study in 89 countries

Leah Costlow, Yan Bai, Katherine P. Adams +8

Large-scale food fortification (LSFF) is a widely accepted intervention to alleviate micronutrient deficiencies, yet policy implementation is often incomplete. Even assuming high i…

econ.GN2025

Healthy diets are affordable but often displaced by other foods in Indonesia

Leah Costlow, Rachel Gilbert, William A. Masters +6

New methods for modeling least-cost diets that meet nutritional requirements for health have emerged as important tools for informing nutrition policy and programming around the wo…

econ.GN2025

Environmental impacts and monetary costs of healthy diets worldwide

Yan Bai, Elena M. Martinez, Mizuki Yamanaka +3

Using real-world food price and greenhouse gas (GHG) emissions data for locally available food items in 171 countries, we measure how healthy diets could be obtained with the lowes…

econ.GN2024

Retail prices, environmental footprints, and nutritional profiles of commonly sold retail food items in 181 countries

Elena M. Martinez, Nicole Tichenor Blackstone, Parke E. Wilde +2

Background: Transitions towards healthier, more environmentally sustainable diets would require large shifts in consumption patterns. Cost and affordability can be barriers to cons…

econ.GN2023

Least-cost diets to teach optimization and consumer behavior, with applications to health equity, poverty measurement and international development

Jessica K. Wallingford, William A. Masters

The least-cost diet problem introduces students to optimization and linear programming, using the health consequences of food choice. We provide a graphical example, Excel workbook…