本文之主要目的乃是欲以聯立方程式模型對外匯市場與股票市場之互動關係作一實證研究。本文之實證乃是以股價指數與匯率作內生變數，並以影響比兩項內生變數之相關經濟因素做外生變數，然後建立聯立方程式模型，以探討外匯市場與股票市場之互動關係。

The main purpose of the paper is to do an empirical study on the interactions of foreign exchange market and stock market in Taiwan.By treating stock price index and exchange rates as endogenous variables and treating other variables which affecting stock price index and exchange rates as exogenous variables • the paper constructs simultaneous equations models to discuss the interactions of foreign exchange market and stock market.