The ghost ant is associated with a complex of ant species known as tramp ants that is widely distributed in tropical and subtropical latitudes worldwide. In fact, Tapinoma melanocephalum was once referred to simply as the tramp ant..
Macroeconomics (from the Greek prefix makro- meaning large and economics) is a branch of economics dealing with the performance, structure, behavior, and decision-making of an economy as a whole. This includes national, regional, and global economies.
New classical. New classical macro-economics dates from the 1970s, and is an attempt to explain macro-economic problems and issues using micro-economic concepts like rational behaviour, and rational expectations. New classical economics is associated with the work of Chicago economist, Robert Lucas.