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The dramatic growth in health expenditures is an important health policy concern worldwide. Therefore, understanding the factors that increase health expenditures provides policy makers with evidence for decision-making. We aim to examine long-term effects of carbon dioxide emission, urbanization rate and GDP per capita on health expenditures. This study investigates the effect of carbon dioxide emission, urban population, and GDP per capita on health expenditure for 21 OECD countries over the period 1992–2018. Panel ARDL Approach and Gengenbach, Urbain and Westerlund Panel Co-integration Test have been used in the article. Test results indicate the long-run relationship among health expenditure and carbon dioxide emission, urban population, and GDP per capita. Effect of carbon dioxide emission (CO2), urban population, and GDP per capita is significant and positive on health expenditure. Rapid economic growths of OECD countries recently and environmental pollution have increased health expenditures in the long term. [ABSTRACT FROM AUTHOR]

Objective: To map, from the literature, health systems and services worldwide, characterizing them as to the type of social protection, service provision, organizational structure of the PHC and origin of financing. Methods: This is a Scoping Review of databases: Virtual Health Library, Embase, ProQuest, National Library of Medicine, National Institutes of Health and Scientific Electronic Library Online. The descriptors and their combinations were used Health Systems, Health Services, Structure of Services and Primary Health Care, between 2009 and 2019, available in Spanish, French, English, Portuguese. They were analyzed considering study objectives, type of social protection, service provision, structure and organization of Primary Health Care and financing. Results: Twelve studies that followed the research proposal were included. The systems shown are related to the countries Iraq, Ecuador, Denmark, Argentina, Netherlands, Canada, Ireland, Belgium, France, Sweden, United Kingdom and Italy. Conclusion: Among the health systems and services of the analyzed countries, some are guided by the market model, others by the public offer of health care and there are those that integrate the two models. Health systems must offer services that reach the entire population, organized based on Primary Health Care. Those who adopt the social security model are the closest to this scenario. [ABSTRACT FROM AUTHOR]