Bayesian Bayesian belief network COVID-19 IT flexibility MCDM methods P-splines Port of Rotterdam SSCM academic buildings barge transport boosting optimization can-order policy carbon tax and cap complex systems conditional value-at-risk construction data envelopment analysis economic analysis efficiency assessment energy efficiency environmental performance financial analysis flexibility flood hazard and sensitivity analysis fuzzy QFD fuzzy clustering analysis fuzzy constraints geoadditive green supply chain green supply chain management