Reliability of global environmental benefits, and of land value benefits in the investment decision making process. These two benefits are hard to use as justifications for MCC investments either because they do not focus on local conditions (e.g., global environmental benefits) or could lead to potentially double-counting benefits (e.g., land value benefits).
MCC is addressing this lesson by revising the Cost Benefit Analysis and Economic Rate of Return guidance to better incorporate environmental benefit streams into the investment models.