Srinivasan Senthilvel Madawalabu University, Ethiopia   33.Srilakshmy Nagar Varichikudi Post Karaikal Karaikal, Pondichery 609609 India   srini.cud@gmail.com             JEL Areas: A : General Economics and Teaching E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data)