摘要(英) |
In this paper, we employ the generalized autoregressive conditionally heteroskedastic (GARCH) model and Hodrick-Prescott filter to estimate the volatility of foreign exchange rate. Then we use GARCH-M model to investigate the effect of interest rate, foreign exchange rate and its volatility on bank stock return generation process. We divide sample data into two portfolios for comparison. The sample period spans from August 21,2002 to September 30,2010. We use 2019 daily datas from Taiwan Economy Journal (TEJ) database.
Empirical result suggests that portfolio of commercial bank stock is sensitive to foreign exchange rate volatility, there is a positive, significant relation between foreign exchange rate risk and stock return of commercial bank. However in period of global financial tsunami, the impact of foreign exchange rate risk is significantly negative. While the portfolio of financial holding company is nonsensitive to volatility of foreign exchange rate. But in period of global financial tsunami, the stock return of financial holding company is also significantly negative. In addition, risk premium has a positive and significant impact on the portfolio of financial holding company, but no significant impact on commercial banking stock. In short, the foreign exchange rate risk arising from the global financial crisis does have negative impact on Taiwan’s banking stock return.
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參考文獻 |
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