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The effects of fuel prices on air quality: Evidence from Bangkok Metropolitan Region


  • Ninpanit, Panittra


Traffic-related air pollution is a serious environmental concern in mega-cities worldwide. This study investigates the causal link between fuel prices and traffic-related air pollution using Bangkok and the surrounding areas as a case study. Bangkok has been ranked being as one of the world's most traffic-congested cities. Daily and monthly data for 1996–2017 are used to model three traffic-related air pollutants: CO, NO2, and PM10. Pollution data are collected from 25 monitoring stations. The findings provide evidence that higher fuel prices reduce air pollution from road vehicles. The fuel price elasticities of CO and PM10 pollution are found to be around –0.3 to –0.4 and –0.1 to –0.4, respectively. The estimates suggest a fuel price elasticity of NO2 pollution of –0.2 to –0.3 during 1996–2006. However, the effect of fuel prices on NO2 after 2006 is positive, potentially due to substitution of gasoline with gaseous fuels.

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  • Ninpanit, Panittra, 2019. "The effects of fuel prices on air quality: Evidence from Bangkok Metropolitan Region," 2019 Conference (63rd), February 12-15, 2019, Melbourne, Australia 285055, Australian Agricultural and Resource Economics Society (AARES).
  • Handle: RePEc:ags:aare19:285055

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    Environmental Economics and Policy;

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