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Title: | 論新冠疫情前後總體經濟指標對金融業股價報酬率之影響 The Impact of Macroeconomic Factors on the Stock Returns of Financial Industry: A Comparative Study Before and After the COVID-19 Pandemic |
Authors: | 劉彥慈 LIU, YEN-TZU |
Contributors: | 鄭士卿 JENG, VIVIAN S.C. 劉彥慈 LIU, YEN-TZU |
Keywords: | COVID-19 總體經濟指標 金融業 向量自我迴歸模型 衝擊反應函數 COVID-19 Macroeconomic Factors Financial Industry Vector Autoregression Impulse Response Function |
Date: | 2024 |
Issue Date: | 2024-09-04 13:40:12 (UTC+8) |
Abstract: | 自COVID-19疫情爆發至今,全球自消費需求端到生產供給端,無不受到深遠的影響,成為一廣泛影響市場的重大系統性風險。而金融機構作為資金、資訊與交易的中介者,並身為我國重點產業之一,其產業價值除了受國際情勢所影響,亦反應國內經濟市場之波動。本文以金融業為例,探討COVID-19疫情發生前後,包括貨幣供給量與匯率等,各項總體經濟指標衝擊對金融業加權股價報酬率之影響差異。本文著重於向量自我迴歸模型之應用,利用衝擊反應函數剖析總體經濟指標對金融業的衝擊,並以金融業產業特性推論衝擊差異之成因。
本文實證結果發現,在貨幣供給量對金融業產生之外生衝擊下,疫情後相較疫情前產生明顯之正向波動。本文推論此結果導因於我國資金市場受中央銀行融通方案與降息政策影響,除擴張整體貨幣供給量外,亦增加產業報酬率成長之量能。其次就匯率衝擊而言,疫情後之外生匯率衝擊,相對於疫情前所產生之波動大幅降低。本文推論其係由於我國股市設有漲跌幅限制,因此月資料樣本無法體現變動,並顯示金融業面對匯率風險時較強健之抵禦能力。本文結果可提供政府與研究者在金融業面臨系統性風險後之決策建議,以及市場投資人對於市場波動之觀察參考。 Since the COVID-19 outbreak, the global economy has been significantly influenced, affecting both consumption and production of Taiwan and creating major systemic risks. Financial institutions, crucial to the economy, are influenced by both international and domestic economic fluctuations. This paper examines how various macroeconomic factors, such as money supply and exchange rates, has differently affected the stock returns of financial industry before and after COVID-19. Using a vector autoregression (VAR) model and impulse response functions, we analyze these impacts and explore the reasons behind the observed differences.
The empirical results show that post-pandemic period, the financial industry experienced significantly greater positive fluctuations in response to the shock of money supply compared to pre-pandemic period. This is attributed to the central bank's financing programs and interest rate cuts, which expanded the money supply and boosted industry returns. Furthermore, the impact of exchange rate shocks on the financial industry decreased significantly after the pandemic. The paper suggests that trading limits in the stock market prevented monthly data from showing the full impact of changes. The decreased impact also shows that the financial industry is more resilient to exchange rate risks. These findings offer insights for government and researchers on managing systemic risks and for investors to observe market volatility. |
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Description: | 碩士 國立政治大學 風險管理與保險學系 111358024 |
Source URI: | http://thesis.lib.nccu.edu.tw/record/#G0111358024 |
Data Type: | thesis |
Appears in Collections: | [風險管理與保險學系] 學位論文
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