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  • 學位論文

亞洲地區銀行業收入多角化及金融監理對績效的影響

The Effects of Revenue Diversification and Bank Regulation on Bank Performance: Evidence from Asian Commercial Banks

指導教授 : 簡明哲
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摘要


本研究以2004-2012年亞洲十國476家商業銀行為樣本,並採用追蹤資料分析法(Panel Data Analysis)探討亞洲地區之銀行是否存在多角化效益以及金融監理對銀行績效的影響,另進一步探究金融監理於金融海嘯中是否發揮減緩銀行績效衝擊的作用。主要研究發現如下: 一、本研究以赫芬達指數衡量銀行收入多角化對績效的影響,實證發現亞洲地區之銀行跨入非傳統業務能帶來較高的收益,亦即利息與非利息收入間存在多角化效益,但非利息收入間則不存在多角化效益,手續費與佣金收入以及交易收入能提昇銀行績效表現。 二、本研究採用的金融監理變數有:跨業限制、資本管制以及監理能力。實證結果顯示跨業限制與銀行績效間沒有顯著關係;加強資本管制有助於銀行累積資本,對銀行績效表現有顯著正向效果;監理能力提昇則會侵害銀行報酬。此外,在控制政府治理與金融自由度變數下,監理能力的負向效果及顯著性均下降,顯示監理能力的負向效果有一部分來自政府治理能力不佳的影響。 三、金融監理於金融海嘯前、中、後期對銀行績效的影響具有顯著差異,金融海嘯期間與後期跨業限制之正面效果均降低、資本管制由正向轉為負向關係、監理能力負面效果減緩。顯示金融監理在金融海嘯發生期間阻礙了銀行尋求避開損失的機會,因而降低了銀行的績效。

並列摘要


The purpose of this study is to examine the effects of revenue diversification and bank regulation on bank performance using 476 commercial banks cross 10 Asian countries during 2004 to 2012 by the Panel Data Analysis. The major findings are as follow. First, diversification between interest and non-interest income do positively affect bank performance, however, diversification among non-interest incomes has little effect on bank return. Banks involving in non-traditional activities, especially those fees, commissions, and trading incomes, can create higher returns. Second, by considering activities restriction, capital regulation, and supervision capability as the proxies of bank regulation variables, empirical results show that activities restriction has little effect on bank performance, while capital regulation helping bank to accumulate higher capital will have a positive impact on bank performance. Stricter financial supervision, however, will reduce bank returns and part of the negative impacts may come from inefficient government governance. Lastly, impacts of bank regulation on bank performance are found to be significantly different from those periods of before, during, and after the financial crisis. Periods of during and after the financial crisis, the positive impact of capital regulation on bank performance is found to turn to negative, while the negative impact of supervision capability on bank returns is found to be lessened. Results above indicate that bank regulations may have interfered banks to find ways to avoid loss and thus lowered bank returns during and after periods of the financial crisis.

參考文獻


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