By using this correlation criterion, the Fund provides exposure to pure-play oil companies with significant oil reserves that are not as involved in other industries such as natural gas or downstream operations.
This is the same criterion used by the actuary of Social Security to compute the ultimate measure of the long-term financial condition of Social Security and used by private lenders in determining whether the purpose to which a prospective loan is put will increase the present value of a company's future cash flows by more than the amount of the loan.