從銀行內部因素、產業因素、總體經濟因素探討臺灣銀行業獲利績效

Bank-specific, Industry-specific and Macroeconomic Determinants of Bank Profitability – A Study of Taiwan’s Banking Industry

俞孟瑄(Meng-Syuan Yu)

指導教授 ： 林鳴琴

朝陽科技大學/管理學院/財務金融系/碩士(2016年)

摘要

本研究目的是探討銀行內部因素、產業因素和總體經濟因素對臺灣銀行業的獲利能力是否有影響，並透過傳統結構─行為─績效（SCP）理論作為實證分析方法。數據採用季資料，時間範圍涵蓋2008年第一季至2015年第三季。而本研究實證結果並沒有證據能支持SCP假說。本文並進一步探討金控體系銀行和非金控體系銀行間影響獲利能力因素的差異性。比較金控體系銀行及非金控體系銀行，實證結果發現顯著影響獲利能力的因素有所不同。例如：金控銀行的權益比率、規模大小及是否為公股銀行對ROE有顯著影響，但在非金控銀行並沒有顯著影響。而在總體經濟因素方面，則無論是全樣本下銀行、金控體系下銀行以及非金控體系下銀行，消費者物價指數和經濟成長率皆對ROE產生顯著影響，代表著臺灣銀行產業容易受到國際事件及景氣循環變動等因素的影響。

關鍵字

結構-行為-績效假說(SCP) ； 赫氏指標(HHI) ； 淨值報酬率(ROE)

並列摘要

This study is to investigate the bank-specific, industry-specific and macroeconomic determinants that would affect the Taiwain bank’s profitability, by using the traditional structure - conduct - performance (SCP) hypothesis as the empirical framework. The sample period is from 2008 Q1 to 2015 Q3. However, no evidences support the SCP hypothesis. Moreover, this paper explores the differences in the determinants of profitability between the banks that belong to financial holding companies and the independent banks. The empirical results show that the determinants of profitability between the two types of banks are different. For example: equity ratio, size and ownership have significant impact on ROE for those banks that are held by financial holding companies, but there are no significant impacts for independent banks. For macroeconomic determinants, both of consumer price index and growth rate of GNP significantly influence on ROE, indicating that Taiwan’s banks are vulnerable to factors of international events and cyclical fluctuation.

並列關鍵字

Structure - Conduct – Performance (SCP) ； Herfindahl-Hirschman index (HHI) ； Return on equity (ROE)

參考文獻

林明俊、陳青浩、朱千慧、隋安莉 (2010)，台灣金控子銀行與非金控銀行經營績效之探討，嘉南學報，第36期，第365-378頁。

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