Estimate the market model:
r t = α + β r m + et, 1 ≤ t ≤ T,
rt is an individual stock price return, r m is S&P100 index as market returns. Both rt and rm are known. et is residual term. α is constant.
Test the null hypothesis that β = 1 against the alternative that β not = 1
请大侠多多指教啊。叩谢叩谢!如果用R的命令做这条题呢


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