郭昱瑩余致力蕭乃沂林靜美2024-04-292024-04-292001-12https://scholars.lib.ntu.edu.tw/handle/123456789/642155zh成本效益分析瓦斯自動遮斷閥社會成本社會效益成本效益分析於公共政策的應用：以臺北市設置大樓共用天然瓦斯自動遮斷閥為例The Application of Cost-benefit Analysis in Public Policy: The Case Study of the Installation of the Emergency Sensor Valve in Taipei Cityjournal article