华东经济管理
華東經濟管理
화동경제관리
East China Economic Management
2014年
10期
72~76
,共null页
三阶段DEA 主要沿海港口 经济效率
三階段DEA 主要沿海港口 經濟效率
삼계단DEA 주요연해항구 경제효솔
three-stage DEA;major coastal ports;economic efficiency
沿海港口是支撑海洋经济发展的重要基础，港口运输经济具有成本低、污染小、可持续性强等优势，但也存在投入拥挤、产出不足、规模与投入产出不匹配等低效率现象。提高效率成为港口经济升级发展的必然选择。为此，文章基于三阶段DEA模型，测算环渤海地区主要港口的综合技术效率、纯技术效率和规模效率，实证分析港口综合效率的受制环境变量和随机因素，并给出了如何提高港口经济效率的对策建议。
沿海港口是支撐海洋經濟髮展的重要基礎，港口運輸經濟具有成本低、汙染小、可持續性彊等優勢，但也存在投入擁擠、產齣不足、規模與投入產齣不匹配等低效率現象。提高效率成為港口經濟升級髮展的必然選擇。為此，文章基于三階段DEA模型，測算環渤海地區主要港口的綜閤技術效率、純技術效率和規模效率，實證分析港口綜閤效率的受製環境變量和隨機因素，併給齣瞭如何提高港口經濟效率的對策建議。
연해항구시지탱해양경제발전적중요기출，항구운수경제구유성본저、오염소、가지속성강등우세，단야존재투입옹제、산출불족、규모여투입산출불필배등저효솔현상。제고효솔성위항구경제승급발전적필연선택。위차，문장기우삼계단DEA모형，측산배발해지구주요항구적종합기술효솔、순기술효솔화규모효솔，실증분석항구종합효솔적수제배경변량화수궤인소，병급출료여하제고항구경제효솔적대책건의。
Coastal ports are an important foundation to support the development of marine economy. Ports transportation econo-my has low cost,low pollution,long sustainability and other advantages,but it also has some inefficiencies,such as crowd-ed investment, insufficient outputs and mismatch of scale and input-output, etc. Improving efficiency becomes an inevitable choice to upgrade ports economic development. The paper applies the three-stage DEA model to measure the comprehensive technical efficiency,pure technical efficiency and scale efficiency of the major ports in Bohai region,and empirically analyzes the restricted environment variables and random factors of the ports overall efficiency. Finally, it makes some suggestions on how to improve ports economic efficiency.
