本研究主要是估計歐洲銀行產業的競爭程度及分析金融危機對競爭程度的影響。我們將歐洲各國分成歐洲四個區域(EU, EU-15, EU-12和Eurozone)以及針對四個國家(法國、德國、義大利和英國)進行探討，期間在2005年到2009年。實證模型採用Panzar-Rosse model的H值來衡量競爭結構。實證結果顯示出四個歐洲區域的競爭程度受到金融危機影響不大，金融危機前後期皆呈現獨占性競爭。此外，四個歐洲國家在金融危機前皆屬於獨占性競爭，金融危機後各國的競爭程度有顯著的變化，說明金融危機對單一國家的競爭程度有明顯的影響。最後，結果也顯示總體經濟環境也深深地影響到銀行產業結構及銀行的利潤。

This paper mainly measures the competitive landscape of the banking industry in four regions of Europe and four single country’s banking sector during the period of 2005-2009. We focus on the impact of the financial crisis on the market structures, so the sample period is during 2005-2007 and 2008-2009, by the financial crisis cut-off point in 2008. In the empirical method we apply to the new empirical industrial organization, the Panzar–Rosse model, to estimate bank competitive structure. The empirical results reveal the monopolistic competition of the banking industry of four European regions countries before and after the financial crisis, but the degree of competition in the operation of the European Union has changed little; on the other hands, the competitiveness of the four European countries is monopolistic competition before the financial crisis and the country’s industrial structure has significant differences after the crisis. Finally, it is evidence that the effects of the financial crisis have seriously affected the structure of banking and banking revenue by macro-economic situation.

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