Sumitomo Bank's risk manager has estimated that its DEAR of two of its major assets in its trading portfolio, foreign exchange and bonds are -$250,000 and -$350,000, respectively. What is the total DEAR of Sumitomo's trading portfolio if the correlation among assets is assumed to be 0.80?

-$380,789

Explanation:

Dear Portfolio = [(1,50,000)2 + (2,50,000)2 + 2(0.8)(1,50,000) ( 2,50,000)]0.5

= [$22500000000 + $62500000000 + $60000000000]0.5

= ($145000000000)0.5

= $380,789

(a) when insurance is obtained through a reciprocal insurer, the insureds are sharing the risk of loss with other subscribers of that reciprocal.

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