Albalate, Daniel; Bel, Germà; Mazaira-Font, Ferran A. - In: SERIEs : Journal of the Spanish Economic Association 12 (2021) 4, pp. 549-584
The synthetic control method (SCM) is widely used to evaluate causal effects under quasi-experimental designs. However, SCM suffers from weaknesses that compromise its accuracy, stability and meaningfulness, due to the nested optimization problem of covariate relevance and counterfactual...