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Determinants of municipal solid waste: a global analysis by countries’ income level

Abstract:

The generation of municipal solid waste (MSW) is an environmental problem worldwide. A high rate of MSW produces pollution and diseases and affects the economic development of countries. This study analyzes the effect that GDP, population density, urbanization, and tourists’ flow have on the generation of MSW in 173 countries worldwide. We grouped countries according to their income levels to control for heterogeneity between regions. The results show that, during 2016, solid waste generation increased along with GDP increments, mainly in high-income countries. We show that the increase in MSW is also due to the rise in population and urbanization. Tourism also has a positive and significant impact on the generation of waste. Our results allow us to recommend some public policy actions.