Based on the endogenous economic growth theory, using the empirical analysis, the paper examined the influence of scientific tech investment to economy growth.
以内生经济增长理论为依据，利用实证分析方法，研究了科技投入对经济增长的影响。
At last, the thesis proceeds from psychology of investor's investment decision and sets up the conversion ratio model, and then concludes that the conversion ratio is endogenous variable.
最后，论文从投资者投资决策心理出发建立转换比率模型，得到转换比率是内生变量的结论。
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