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.
Principles of Microeconomics. Microeconomics is a branch of economics that studies of the behavior of households and firms, as well the supply and demand relationships between producers and consumers. The basic principles of microeconomics are The Nature and Functions of Product Markets, Factor Markets, and Market Failure and the Role of Government.