Using a choice experiment to select the basket of improving the air quality in Chongqing, China |
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| Authors: | GAN Tian-meng |
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| Institution: | Social Science School, University of Manchester, Oxford Road, Manchester M13 10PL, UK |
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| Abstract: | Air quality has a significant relationship with our life. Residents are concerned with the environment issue of Chongqing, which used to be one of major industrial cities in China. We choose the air quality of Chongqing as the research object, valued by choice experiment model with designed questionnaires, to discuss the best approach of improving the air quality. Firstly, the paper introduces the representative methods of the stated preferences: CVM and choice experiment (CE). The choice experiment (CE) could be designed in a series of situations with many different attributes to test the relative values among the attributes, which are the evidences of ranking importance of the attributes. Because the improvement of air quality is affected by multiple factors, the technique is better at valuing the economical impacts. Once the attributes and levels are decided, profiles and choice sets can be designed. We can also collect data through questionnaires and use the conditional logit model to evaluate the improvement of air quality in Chongqing. The result shows the relative importance of the elements selected to evaluate the improvement of urban air quality. In a word, this research has important practical value to better the air quality. |
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| Keywords: | choice experiment Chongqing air quality value evaluation conditional logit model |
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