Journal on Policy & Complex Systems Volume 5, Number 2, Fall 2019 | Page 196

Confronting Model Uncertainty in Policy Analysis for Complex Systems : What Policymakers Should Demand
Figure 3 . Illustrating region plots for parametric uncertainty .
Figure 4 . Using a measure of “ regret ” to assess

an option ’ s robustness in relation to assumptions . ( Source : adapted from Popper , Griffin , Berrebi , Light , & Min , 2009 ).

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