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Household Food Waste and Inefficiencies in Food Production

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Document pages: 67 pages

Abstract: This paper investigates household food waste in the context of inefficient food production. Food waste is typically defined as the proportion of edible food that goes unconsumed, whereas inefficiency is measured by a household s inability to reach some technically efficient production frontier. Because food waste can be avoided through improved efficiency, we focus on the determinants of inefficiency using unique household- level data on food stock usage and food consumption. We simultaneously estimate the productivity of input usage and the corresponding household-specfic inefficiencies. Inefficiencies are further specified to be a function of observable characteristics. For the general population, we find inefficiencies to be associated with race, age, education, household size, joint preparation of meals, distance traveled to the food store, and food shopping frequency. A latent class model clearly distinguishes two groups of households: a relatively more efficient group (about 16 of the population) and a relatively inefficient group (the remaining 84 ). The inefficient group is driving most of the aforementioned results for the general population, and we find relatively little explanatory power of covariates for the inefficient group. Finally, while we find observed food waste to be highly correlated with input-oriented inefficiencies, such that using either outcome leads to similar policy recommendations, their equivalence is dependent upon the estimated reference technology and underlying assumptions.

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