Optimizing payments based on efficiency, quality, complexity, and heterogeneity: the case of hospital funding International Transactions in Operational Research Journal Article Diogo Ferreira Alexandre Nunes Rui Marques Publication Year of Publication: 2020 Identifiers Other Numbers: 61158244 Locators URL https://doi.org/10.1111/itor.12713 DOI: 10.1111/itor.12713 Sustainable Development Goals