Abstract
This paper explores the applicability of the risk-return relationship of the traditional CAPM model in China 's A-share new energy sector. The sample selects the monthly frequency rate of return of 10 listed companies of different sizes as the dependent variable, and the csi 300 as the independent variable to carry out regression analysis. The research content: calculation of β, T-test and coefficient of determination. Experimental conclusion: Systemic risk is not the only influencing factor, and CAPM model is not suitable for China 's new energy sector.
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