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農業信用部擠兌與經營狀態之探討-比例危機模型之應用

Examining the Relationship of Bank Runs and Operating Effectiveness for Credit Department of Farmers' Institutions-An Application of Proportional Hazard Models

摘要


近年來農會信用部因淨值為負而遭銀行承受接管的事件時有所聞,但早在1995年彰化第四信用合作社爆發擠兌事件後,在後續的一年內曾發生二十六次的農會信用部擠兌,為探討農會信用部經營體質的脆弱性以古鑑今,本文重新檢視農會信用部擠兌與其經營狀態之間的關係。由於農會信用部擠兌風波是一連串的擠兌事件集合而成,發生的時點各不相同,為凸顯此一特點,本文採用期間模型進行實證研究。由實證結果得知「融通資金比率」、「逾放比率」越高,「流動性比率」越低,將造成農會信用部發生擠兌的危險率越高,因此就避免農會信用部再度爆發擠兌風潮的預警角度觀之,「融通資金比率」、「逾放比率」以及「流動性比率」是金融監理單位必須嚴格審視的指標。此外,實證結果顯示農會信用部參加存款保險有助於降低擠兌發生的危險率。就這一點而言,我們的實證結果支持目前的強制存款保險制度。

並列摘要


Several credit departments of farmers' institutions were taken over by banks in the recent years due to their negative net worth. This unpleasant outcome seemed to be preceded by twenty-six runs of credit departments of farmers' institutions in the years of 1995 and 1996 triggered by a bank run of The Fourth Credit Cooperative of Chang-Hwa. This paper thus examines the relationship between bank runs and operating effectiveness for the credit department of farmers' institutions. The empirical work adopts a duration model to study the feature that each bank run occurred successively at different point of time. The results show that both the ratio of borrowing capital to total capital and the overdue ratio are positively correlated with the hazard rate to run, while the liquidity ratio is negatively correlated with the hazard rate to run. Our results reveal the relative importance of these three financial indicators to the others, and thus these three indicators should be watched out closely. In addition, our finding supports the main function of deposit insurance in preventing or deferring bank runs. This provides one support to the current involuntary deposit insurance system.

參考文獻


Lane, W.R.,S.W. Looney,J.W. Wansley(1986).An Application of the Cox Proportional Hazards Model to Bank Failure.Journal of Banking and Finance.10,511-531.
Park, S.(1991).Bank Failure Contagion in Historical Perspective.Journal of Monetary Economics.28,271-286.
Jayanti, S.V.,A. M. Whyte,A.Q. Do(1996).Bank Failures and Contagion Effects.Journal of Economics and Business.48,103-116.
Cooper, R.,T.W. Ross(1998).Bank Runs.Journal of Monetary Economics.41,27-38.
Schumacher, L.(2000).Bank Runs and Currency Run in a System without a Safety Net.Journal of Monetary Economics.26,257-277.

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陳俊宏(2010)。農會信用部主要財務比率對資本適足程度與經營績效評估標準之關聯性研究〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2010.00779
彭思蓉(2008)。東亞銀行危機預警模型研究〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2008.01574
顏晃平(2006)。農會信用部風險承受與存續期間之研究〔博士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2006.02419

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