The purpose of this paper is to present a procedure to include the implicit assumptions of Net Present Value (NPV) in the Internal Rate of Return (IRR), and the profitability index (benefit-cost ratio B/CR). The resulting indicators are the weighted IRR (WIRR) and the expanded B/CR (EB/CR). These two desirability measures are designed for variable and constant discount rates. They have the property to coincide with the NPV ranking for investment analysis and hence, will maximize value. Examples are presented.
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