Harisoa Razafimanantsoa Hefei University of Technology   LOT VM 92 AW SAROPODY ANDRONDRAKELY ANTANANARIVO, Antananarivo 101 Madagascar   razafimanantsoaharisoa@gmail.com             JEL Areas: E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data) I1 : Health: General