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| 篇名 | 台灣地區本國銀行生產面與成本面 Malmquist 生產力指數之估計 |
|---|---|
| 卷期 | 37:4 |
| 並列篇名 | Estimating the Malmquist Productivity Index in the Taiwanese Banking Industry: A Production and Cost Approach |
| 作者 | 楊永列 、 黃鏡如 |
| 頁次 | 353-378 |
| 關鍵字 | 銀行產業 、 資料包絡法 、 生產力變動 、 麥氏指數 、 分配效率 、 Banking sector 、 Data envelopment analysisi 、 Productivity change 、 Malmquist index 、 allocative efficiency 、 EconLit 、 TSSCI |
| 出刊日期 | 200912 |
中文摘要
本文採用Maniadakis 與Thanassoulis 的成本面Malmquist (CM)
生產力分析法,但改採變動規模報酬的生產技術下來分解CM 為純
技術效率變動指數、生產技術變動指數、配置效率變動指數、價格
變動指數與成本規模效率變動指數。由實證結果分析, 1995–2003
年銀行產業整體之生產面生產力指數估計均接近於1.0。與台灣的
銀行產業利用F‥are et al. (1994)所提出生產力指數方法之實證文獻
結論相同。但由CM 顯示台灣銀行產業的成本面生產力有5%的上
升, 可歸功於投入要素價格變動與成本規模效率變動對成本面生產
力的正面影響, 這一現象是無法從生產面生產力與成本面固定規模
生產技術假設的分解可以得到的結果。
英文摘要
This paper uses the input-oriented Malmquist productivity index (IM) and
the dual cost Malmquist productivity index (CM) to estimate and identify
the sources of the productivity change in the Taiwanese banking industry. In
this paper, a variable returns-to-scale production technology is assumed, and
the CM productivity change is decomposed into pure technical efficiency
change, technical change, allocative efficiency change, an input-price effect,
and cost scale efficiency change. The proposed decomposition is a modification
of the Maniadakis and Thanassoulis (2004) approach under the
assumption of constant returns to scale technology. Empirical results show
that between 1995 and 2003, the industry-wide IM were near 1.0, indicating
no improvement in productivity in the banking industry. However,
the estimate for CM shows a 5% productivity change, which is mainly due
to cost saving reflected by the input-price effect and improvement in scale
efficiency. This improvement in productivity in the Taiwanese banking industry
would most likely be not identified were the analysis conducted using
either the input-oriented (IM) or the output-oriented (OM) Malmquist
productivity approach.F&nod