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http://dx.doi.org/10.15266/KEREA.2019.28.3.355

Measuring Willingness to Pay for PM10 Risk Reductions: Evidence from Averting Expenditures for Anti-PM10 Masks and Air Purifiers  

Eom, Young Sook (Department of Economics, Sustainable Development Center, Chonbuk National University)
Kim, Jin Ok (Statistics Research Institute, Statistics Korea)
Ahn, So Eun (Korean Environmental Institute)
Publication Information
Environmental and Resource Economics Review / v.28, no.3, 2019 , pp. 355-383 More about this Journal
Abstract
This study is to investigate whether averting costs for wearing $anti-PM_{10}$ masks and using air purifiers at home to reduce exposure from $PM_{10}$ are influenced by subjective risk perceptions and/or objective $PM_{10}$ concentration levels, whose estimates will be used to measure the willingness to pay for $PM_{10}$ risk reduction. An empirical analysis was conducted on a sample of 1,224 respondents who participated in the web-based survey in the late October of 2017. As we reflect the potential endogeniety bias in the estimation of averting cost functions of using air purifiers, the coefficients of risk perception were differed by 6~7 times. Respondents. subjective risk perceptions were influenced by individuals' knowledge, attitudes and demographic variables, as well as the levels of $PM_{10}$ concentrations in their residential region. The marginal willingness to pay for risk reductions at the mean levels of their risk perceptions were measured at 1,000 won per month from wearing $anti-PM_{10}$ masks and 6,000 won for using air purifiers respectively.
Keywords
Risk perceptions from exposure to $PM_{10}$; averting behavior method(ABM); Wearing $anti-PM_{10}$ masks and using air purifiers; instrument variable approach;
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