, the construction of a credible counterfactual situation is at the heart of the formal statistical evaluation problem. Even … when controlled experiments are not a viable option, appropriate approaches might succeed where traditional empirical …

, the construction of a credible counterfactual situation is at the heart of the formal statistical evaluation problem. Even … when controlled experiments are not a viable option, appropriate approaches might succeed where traditional empirical …

, the construction of a credible counterfactual situation is at the heart of the formal statistical evaluation problem. Even … when controlled experiments are not a viable option, appropriate approaches might succeed where traditional empirical …

, the construction of a credible counterfactual situation is at the heart of the formal statistical evaluation problem. Even … when controlled experiments are not a viable option, appropriate approaches might succeed where traditional empirical …

, the construction of a credible counterfactual situation is at the heart of the formal statistical evaluation problem. Even … when controlled experiments are not a viable option, appropriate approaches might succeed where traditional empirical …, the construction of a credible counterfactual situation is at the heart of the formal statistical evaluation problem. Even …

, the construction of a credible counterfactual situation is at the heart of the formal statistical evaluation problem. Even … when controlled experiments are not a viable option, appropriate approaches might succeed where traditional empirical …

, the construction of a credible counterfactual situation is at the heart of the formal statistical evaluation problem. Even … when controlled experiments are not a viable option, appropriate approaches might succeed where traditional empirical …

a non-distortionary investment subsidy. …