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.
Microeconomics (from Greek prefix mikro-meaning small) is a branch of economics that studies the behavior of individuals and firms in making decisions regarding the allocation of limited resources. Typically, it applies to markets where goods or services are bought and sold.