This article introduces the use of the Gerber statistic when performing a Monte Carlo simulation for cases when two or more random inputs are correlated. When interdependent random variables violate certain standard assumptions required for use of the traditional historical Pearson correlation matrix, the Gerber statistic can provide a better estimate of correlation and, consequently, of the value of the subject asset. This article examines the strengths and weakness of the Gerber method relative to the traditional method and provides an example of how to apply the Gerber method, assuming that the two correlated random variables violate one or more assumptions related to the Pearson correlation coefficient.

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