Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 561933
Title Consumers discard a lot more food than widely believed : Estimates of global food waste using an energy gap approach and affluence elasticity of food waste
Author(s) Bos Verma, Monika van den; Vreede, Linda de; Achterbosch, Thom; Rutten, Martine M.
Source PLoS ONE 15 (2020)2. - ISSN 1932-6203
DOI https://doi.org/10.1371/journal.pone.0228369
Department(s) International Policy
Publication type Refereed Article in a scientific journal
Publication year 2020
Abstract

This work provides an internationally comparable consumer food waste dataset based on food availability, energy gap and consumer affluence. Such data can be used for constructing meaningful and internationally comparable metrics on food waste, such as those for Sustainable Development Goal 12. The data suggests that consumer food waste follows a linear-log relationship with consumer affluence and starts to emerge when consumers reach a threshold of approximately $6.70/day/capita level of expenditure. These findings also imply that most empirical models overestimate consumption by not accounting for the possibility of food waste in their analysis. The results also show that the most widely cited global estimate of food waste is underestimated by a factor greater than 2 (214 Kcal/day/capita versus 527 Kcal/day/capita). Comparison with estimates of US consumer food waste based on national survey data shows this approach can reasonably reproduce the results without needing extensive data from national surveys.

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