| Summary: | 碩士 === 國立臺北大學 === 自然資源與環境管理研究所在職專班 === 105 === The four in one recycling program had promoted by the Environmental Protection Agency (EPA) since January 1997. There were four major roles to complete the program, including recycling fund, community Public, local authority (cleaning teams) and recycling enterprises. However, how did this program affect waste management in Taiwan? This study used segmented linear regression analysis to assess the effectiveness of the four in one recycling program. The results showed an average reduction of 320,998 tons per year after the implementation of the four in one recycling program.
The recycling fund made an important contribution to affect the recycling intention of recycling enterprises. It also affected the manufacturers and importers to the choice of green products. For the government, it was important to set a proper impose fee and subsidy fee. Therefore, this study based on the optimal decision-making of manufacturers, importers and recycling enterprises, trying to build up theoretical models of the optimal impose and subsidy rate toward social welfare maximization. Finally, the optimal impose rate was related to the price of the product and the elasticity of demand. The optimal subsidy rate was related to the price of the recycling materials and the elasticity of demand.
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