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(Multiple R the correlation between the actual values and the forecast values of Y. 这里说Multiple R=Y的实际值和预测值之间的相关系数,这里的相关系数就是Pearson相关系数(协方差/各自标准差之积)吗?
已回答PNW’s Code of Ethics restricts trading by all of the bank’s analysts and portfolio managers and requires their trades to be pre-cleared by the Compliance Department. 所以原文里的这句话可以看成是干扰项?前面已经说明了Rachel提前在信息未公开就做了交易,从这点就可以得出违反准则;并且公司的这项规定Rachel也违反了。可以这样理解吗?
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- Q3:解析里面Team Purple’s conclusion (the externalities associated with human capital is the most important determinant in predicting the occurence of convergence) implies that the production function is a straight line, and is compatible with non-convergence.这段话中 externalities associated with human capital具体是什么?怎么得到the production function is a straight line这个结论呢?
- Effective duration和Effective convexiy的公式为什么不用modified duration和convexity的原本公式,而是和他们的近似的久期和突性的公式一致?
- Risk Budget and risk parity 第二道思考题,里面的Variance是不是完全是个冗余信息,给来误导的呀?
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- 为什么半年付息 算ytm是乘以2 而年化的麦考利久期是除以2
- 为什么长期垄断竞争中 D和ATC相切
- Growth due to capital deepening 是αΔK/K还是ΔK/K
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