Author: Woorawut Roomratanapun
AIT Library Call Number: AIT Diss no. HS-00-01
Year: 2000
Academic Program: Human Settlement (HS)
Type: Thesis (Ph.D.) – Asian Institute of Technology
Examination Committee: Willi Zimmerman (Chairperson); Yap Kioe Sheng, Peter Knoepfel (Examination Committee Members)
Abstract: Environment conditions around the world are deteriorating and drastic actions in terms of changed life styles and massive investments inenvironmental infrastructure will be necessary to stop the environmental degradation.For such actions to be successful, a thorough understanding of the factors that determine the acceptability of such actions. Water pollution is a problem all over the world and also in Thailand and particularly in Bangkok. The Government of Thailand and the Bangkok Metropolitan Administration have realized the seriousness of the problem and have started the construction of centralized wastewater treatment systems. The idea of centralized wastewater treatment is new for Bangkok where wastewater is normally treated on site in septic tanks. The start-up and operational costs of a wastewater treat- ment system are high. The success and the sustainability of the system require the support of the Bangkok population. In order to gain this support, a better knowledge and understanding of the environmental concerns of the Bangkok population, their willingness to pay for environmental improvements and the acceptability of a wastewater treatment project is needed. The study applied the theory of diffusion and adoption to examine the acceptance of the project by the residents of Bangkok, the contingent valuation method to analyze the willing- ness to pay of Bangkok residents and the theory of environmental psychology to investigate the factors influencing acceptance of the wastewater treatment project by Bangkok residents. Two main research methods used in this study were the personal questionnaire interview survey and the willingness-to-pay method. In addition, techniques like the bidding game and scenario building are applied. In total, 367 respondents in Phayathai district of Bangkok were interviewed. The Bangkok residents preferred a centralized system, but they had no clear preference for a cost recovery system. The majority preferred the convenience and easy comprehension of a volume- tric
Scholarship Donor(s): Royal Thai Government, Thailand
Note: A dissertation submitted in partial fulfillment of the requirement for the degree of doctor of Philosophy, School of Environement, Resources and Development
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