金融业已成为北京市的集聚产业，对北京市的经济发展起到了重要推动作用。据此，本文采用 DEA 方法、选取 BCC 模型从地区、行业和跨时期三个维度检验了北京市金融业投入产出效率。实证分析表明: 在地区金融效率比较和行业效率比较中，北京市金融业处在有效生产前沿面上，其金融资源投入产出达到了较佳水平; 在 1998 －2009 年期间，北京市金融业综合技术效率、纯技术效率和规模效率趋于技术有效和规模有效。总体来看，北京市金融业投入产出效率基本达到最佳状态。

The financial industry has become Beijing's gathering industry，playing an important role in pro- moting the economic development of Beijing. Accordingly，using DEA method，this paper selected the BCC model to examine the input－output efficiency of Beijing financial industry from the dimensions of regions，industries，and time span. The empirical results proved that Beijing financial industry is in the effective production frontier surface. In the period of 1998 － 2009，the comprehensive technical efficiency，pure technical efficiency and scale efficiency of Beijing financial industry tends to be technological efficiency and scale efficiency. Overall，the input－output efficiency of Beijing financial industry is in its optimum state.