Household Waste Emission Model Based on Consumption Expenditure: A Case Study in Urban Area of Shanghai

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  • Yang Jinmei
    Department of Urban and Environmental Engineering, Graduate School of Engineering, Kyoto University
  • Fujiwara Takeshi
    Division of Sustainability of Resources, Graduate School of Environmental Science, Okayama University
  • Matsuoka Yuzuru
    Department of Urban and Environmental Engineering, Graduate School of Engineering, Kyoto University

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In this study, the model by which household waste emission is estimated from consumption expenditure is applied to urban area of Shanghai, China, and the fitness of the model is validated. Through the modeling, the quantitative relationship between the waste emission and the consumption expenditure is identified. As a result, it is cleared that the fractions of recyclable material, that is paper waste and plastics waste, increase if `expenditure for education` as well as `expenditure for transportation` increase. Moreover, through compared with Taiwan, it is found that the kitchen waste is more generated and the recyclable materials are less generated in Shanghai because of the lower consumption propensity on food expenditure and higher propensities on health and education.

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