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Juliet Elizabeth Natasha Hodges, Raghu Vamshi, Christopher Holmes, Matthew Rowson, Taqmina Miah and Oliver Richard Price Combining high-resolution gross domestic product data with home and personal care product market research data to generate a subnational emission inventory for Asia Integrated Environmental Assessment and Management 10

Article first published online: 20 DEC 2013 | DOI: 10.1002/ieam.1476

Key Points

  • We explore the necessity of accounting for a population's ability to purchase consumer products (home and personal care [HPC] products) in determining their subnational distribution in regions where wealth is not uniform.
  • The implications of using highly localized spatial data on population and GDP distributions to generate inter- and intra-country subnational emission estimates for a range of hypothetical and actual HPC product types were explored.
  • It was demonstrated that for low-value products (<500 US$ per capita/annum required to purchase product) the maximum deviation from baseline (emission distributed via population) is less than a factor of three and is unlikely to result in significant differences in environmental chemical risk assessments.
  • For product types (>500 US$ per capita/annum required to purchase product) the implications on emissions being assigned to subnational regions can vary by several orders of magnitude.

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