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20231225100746.0 |
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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2019.06.015
|2 doi
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|a pubmed24n0998.xml
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|a (PII)S0956-053X(19)30393-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Elimelech, Efrat
|e verfasserin
|4 aut
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|a Bridging the gap between self-assessments and measured household food waste
|b A hybrid valuation approach
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Ltd. All rights reserved.
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|a Great effort is invested in mapping the extent of household food waste and its main determinants. However, food waste valuation remains a challenging task. Valuation methods can be divided roughly into objective measurements that are based on physical waste surveys, and subjective self-assessments that are based on diaries or questionnaires. Self-assessment methods have been more popular than food waste measurement because they are less costly. The goal of this paper is to empirically test whether self-assessments can accurately reflect objective measurement. To answer this question, we implemented a hybrid valuation approach by integrating and comparing three methods: a self-assessment questionnaire, a physical waste survey, and a food expenditure survey. Self-assessments slightly underestimated measured food waste proportion (13.7% vs. 16.3%, respectively). The results also show a positive, yet, not very strong correlation between the measures and the self-assessments of unconsumed and partly consumed avoidable food waste in most food categories. Self-assessments of monetary losses were €42.07 per household per month on average, overestimating calculated losses of €25.74 on average. Our findings question the validity of self-assessments. The current paper demonstrates the questionable nature of the implicit assumption that self-assessment reflects the true level of food waste and suggests a rigorous method for exploring this relation
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|a Journal Article
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|a Avoidable food waste
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|a Food waste assessment
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|a Food waste measurement
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|a Household food waste
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|a Monetary losses
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|a Self-reporting
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|a Ert, Eyal
|e verfasserin
|4 aut
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|a Ayalon, Ofira
|e verfasserin
|4 aut
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 95(2019) vom: 15. Juli, Seite 259-270
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:95
|g year:2019
|g day:15
|g month:07
|g pages:259-270
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|u http://dx.doi.org/10.1016/j.wasman.2019.06.015
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