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存款保險對金融危機、經濟成長與社會福利的影響

The Effects of Deposit Insurance on Financial Crisis, Economic Growth, and Social Welfare

摘要


Diamond and Dybvig (1983)發現存款保險不但可避免存戶擠兌、防堵金融危機的發生,透過採行最適的存款保險,甚至可使社會福利達到極大,不過,該文沒有考慮存款保險對經濟成長的影響。本文考慮了經濟內生成長的架構,發現存款保險將得以阻止單純由民眾預期所引發的銀行擠兌事件,最終有利於長期經濟成長。透過數值分析,我們發現:使得社會福利極大的最適存款保險為部分保障,而Diamond and Dybvig (1983)沒有考慮到存款保險提高經濟成長這項對社會福利的正面影響,導致該文低估最適的存款保險額度。

並列摘要


Diamond and Dybvig (1983) discovered that deposit insurance can prevent both bank runs and financial crises. Moreover, demand deposits might achieve the equilibrium that maximizes social welfare. However, Diamond and Dybvig (1983) neglected the growth effect of deposit insurance. This paper considers endogenous growth and finds that deposit insurance can prevent bank runs due to random withdrawals, resulting in a higher rate of economic growth. Through a simulation, this paper concludes that the optimal deposit insurance to maximize social welfare only offers partial protection, and Diamond and Dybvig (1983) underestimated this optimal deposit insurance since they did not consider the growth effect of deposit insurance.

參考文獻


王瑜琳、洪嘉聲(2004)。農會信用部擠兌與經營狀態之探討—比例危機模型之應用。農業經濟叢刊。10,77-100。
李怡庭(2009)。貨幣銀行與金融市場。台北=Taipei:翰蘆書局=Hanlu Book and Publishing。
林銘泉(2011)。金融危機對經濟成長影響之研究:以亞洲國家為例。國立台灣大學經濟學研究所=Department of Economics, National Taiwan University。
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Alonso, Irasema(1996).On Avoiding Bank Runs.Journal of Monetary Economics.37,73-87.

被引用紀錄


陳柏宇(2015)。整合性存款保險之研究〔碩士論文,淡江大學〕。華藝線上圖書館。https://doi.org/10.6846/TKU.2015.01060

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