Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Daily Overview |
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Choice modeling for environmental policy Location: Auditorium K Session Chair: Noelle Lasseur, Wageningen University | |
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Shifting preferences for health and air quality: a comparative analysis based on two-period discrete choice experiments in China Peking University, China This study examines the temporal dynamics of public preferences for health risk reductions related to air quality improvements in China, using discrete choice experiments (DCE) conducted in 2016 and 2024. By comparing willingness to pay (WTP) for reducing mortality and morbidity risks across two periods, this research investigates whether preferences for health remain stable over time in the context of rapid socio-economic and environmental changes. The results show a significant increase in the value of statistical life (VSL) and the value of statistical illness (VSI) from 2016 to 2024, with both increasing by over 60%, based on the calculations from the MXL model. The relationship between income and WTP is found to be non-linear, with increasing marginal effects as income levels rise. The study further reveals that public trust in government air quality policies has significantly improved from 2016 to 2024, which may partly explain the rise in WTP. These findings highlight the importance of regularly adjusting health risk valuation metrics in fast-developing countries and the need to account for trust in the providing institution when applying stated preference methods. | |