Importance-performance analysis of municipal solid waste management in uncertainty.

The aim of this study was to evaluate and position the perceptions of importance and performance of municipal solid waste management aspects and criteria. The study results propose dependence relations among four aspects and 33 criteria pertaining to metropolitan Taipei. Evaluation was based on linguistically described preferences and multiple aspects and criteria analysis; in particular, applied fuzzy set theory was used to evaluate linguistic vagueness, and the analytic network process was applied for dependence relations among the aspects and criteria. In order to compile managerial implications and concluding remarks, importance-performance analysis was conducted, using several mathematical techniques applied to the objectives as well as the participation and input of professionals and academicians. Overall results and concluding remarks are discussed.