Patients with resected CCA undergoing curative surgery, with or without AC, were identified from three centers in Thailand. Patients with R2 resection and 30 days postoperative death were excluded.

The majority of recent empirical papers in operations management (OM) employ observational data to investigate the causal effects of a treatment, such as program or policy adoption. However, as ...

Yılmaz, Övünç; Son, Yoonseock; Shang, Guangzhi; Arslan, Hayri A. Causal inference under selection on observables in operations management research: Matching methods and synthetic controls. Journal of ...