Ponpoje Porapakkarm University of Macau   Unit E, Ave Dr. Sun Yat Sen Unit E, Ave Dr. Sun Yat Sen Taipa, Macau na China   ponpojep@umac.mo   https://sites.google.com/site/ponpojep/           JEL Areas: E6 : Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data)