Business, 18.09.2019 00:30 gamer0078

Assume that the average variance of return for an individual security is 50 and that the average covariance is 10. what is the expected variance of an equally weighted portfolio of 5, 10, 20, 50, 100, 500 & 1000 securities? how many securities need to be held before the risk of a portfolio is only 10% more than the minimum?

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Assume that the average variance of return for an individual security is 50 and that the average cov...

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