The investment of education capital and fixed assets play an important role in the economic growth of one country, while traditional regression analysis may underestimate or overestimate the contribution of the investment of education capital and fixed assets on economic growth. In this paper, simple regression, bivariate regression and quantile regression methods are adopted to analyze the relation between the stock of fixed assets and education capital and gross domestic product (GDP). It is shown by research result that: the stock of fixed assets and education capital obviously impacts GDP, and the impact effect of the stock of education capital is larger than that of stock of fixed assets. It can be found through quantile regression that if linear regression is adopted to estimate the impact of the stock of education capital and fixed assets on GDP, the research may be anamorphic.
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