| Summary: | 碩士 === 國立高雄應用科技大學 === 國際企業系碩士在職專班 === 106 === This study uses the global financial tsunami as the demarcation year to discuss the relationship and impact of the exchange rates, interest rate, consumer price index, gross domestic product, and money supply on Taiwan’s optoelectronics stock price index for the nine years from 2009 to 2017. Using unit root test verifies whether the observations are stationary data、each observation has a cointegration that represents a long-term equilibrium relationship and/or they have a causal relationship? If there are with causal relationship and what are the relationship? Then process the ordinary least squares test method and the impulse response for empirical analysis , the results are as follow：
1.The exchange rates, interest rate, consumer price index, gross domestic product, money supply, and optoelectronics stock price index are cointegrated.
2.Using Granger causality analysis to know the observations with one-way causality are：(1) USD exchange rate affects CNY exchange rate, interest rate, money supply, optoelectronics stock price index.(2) Consumer price index affects gross domestic product, and optoelectronics stock price index. (3) Gross domestic product affects optoelectronics stock price index.(4) Money supply affects consumer price index and optoelectronics stock price index.
3.Using Granger causality analysis to know the observations with two-way causality are：(1) Money supply and gross domestic product. (2) Interest rate and CNY exchange rate. (3) Optoelectronics stock price index and interest rate.
4.According to the ordinary least squares test method, the USD exchange rate, interest rate, money supply, and consumer price index have a significant effect on the optoelectronics stock price index.
5.The optoelectronics stock price index has a positive impact on the CNY exchange rate and the money supply, negatively affecting other observations.
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