台灣銀行業市場結構、分行設立與績效關係之探討

本文以產業組織的S-C-P理論為基礎，明顯地以分行設立為行為變數，探討台灣銀行業的市場競爭與績效關係。不同於過去的研究，本文採用結構方程模式的次模式－路徑分析進行估計。相對於市場集中比率(CR4)，市場占有率顯著地正向影響績效，隱含效率-結構假說似乎無法被拒絕。實證結果也指出樣本研究期間，加入金融控股公司的綜效並未如預期顯現，但分行設立則有助於銀行提高市場占有率。

關鍵字

結構方程模式；效率結構假說；市場集中比率；金融控股公司

並列摘要

This paper bases on the S-C-P paradigm of Industry Organization (IO) and explicitly uses branching as a conduct variable to investigate the relationships between market competition and performance in Taiwanese banking industry. Differing from the previous studies, this paper adopts the path analysis, a submodel of structural equation model, to estimate the effects among these three variables. Comparing with CR4, market share has a significantly positive effect on the return on equities, implying the efficiency-structure hypothesis could not be rejected. The synergy effect of financial holding company affiliation has not been quite fulfilled during the period under consideration. However, the effect of branching on market share is significantly positive, indicating that branching strategy can help banks to gain more market shares.

並列關鍵字

Structural Equation Model ； the efficiency-structure hypothesis ； Market Concentration ； Financial Holding Company

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