ความเต็มใจที่จะจ่ายในการลดมลพิษจากโครงการโรงไฟฟ้า ก๊าซชีวภาพจากขยะมูลฝอย กรณีศึกษาตำบลบ้านตาล อำเภอฮอด จังหวัดเชียงใหม่

Abstract

This study aims to (i) measure Willingness to pay for reducing pollution from solid waste biogas power plant project (ii) examine factors affecting willingness to pay for reducing pollution from solid waste biogas power plant project and (iii) guideline to development biogas power plant in Chiang Mai Province. The population for study is households who dwell around biogas power plant of Bantan, Hod, Chiang Mai Province. Sampling by questionnaire totally 400 sample for study socioeconomic factors that influence to willingness to pay composed of basic factors and recognition and attitude for biogas power plant factors. The basic factors of this study is gender, age, the number of housing, education, occupation, income. The recognition and attitude factors is benefit or effect from biogas power plant by contingent valuation method (CVM) with hypothetical market close and ended question was used to assess the amount which households are willingness to pay. Data use to analyze environment pollution information from biogas power plant project by Interval Regression Model.

The result from analyze the basic information of sample who have list in civil registration in Bantan, Hod, Chiang Mai Province totally 400 people, shown mostly is female, age between 51-60 years old, Marital status is married, time to live in biogas power plant area is 31-40 years, number of housing is 4 people, education is primary or below, occupation is famer, income per household is between 2,001-8,000 baths/mount. The effect of physical and mental health is agree of breathing is not easy when scent of solid smell by average score 4.43. The mostly of factors have relationship to willingness to pay is income per household. If have hight income per household trends willingness to pay is more than low income per household. Next factors is family size. If have hight number of housing, trends willingness to pay is increase and factors occupation. If have constancy of occupation, trends willingness to pay is increase, The result form sampling population to valuation of willingness to pay for reducing pollution from solid waste biogas power plant was average 70.12 bath. In conclusion , if power plant or government have to policy makers to fee of reducing pollution in area and around it recommend fee to be between 20-70 baths, because it’s mostly of willingness to pay of sample. If more than one, the probability of people in area not cooperate enough is hight.