我们将技术效率分解为纯技术效率和规模效率，识别技术有效和无效的银行，并确定规模报酬变化。
We decompose the technical efficiency into pure technical efficiency and scale efficiency, identify the technical efficient and inefficient Banks, and determine the return to scale of the Banks.
总体上看，银行业全要素生产率呈上升趋势，技术效率呈下降趋势，规模效率无明显变化。
On the whole, all-factor productivity of banking sector is rising, technical efficiency is falling and scale efficiency remains unchanged.
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