economy's overall investment and consumption in general of statistical concepts
to analyze the economic laws governing the operation of an economic area.
Macroeconomics is relative to the purposes of the classical micro-economics.
Macroeconomics is the John Maynard Keynes, "Employment, Interest and Money," has
been delivered up a fast-growing branch of economics. Micro-economy: Refers to a
volume of economic activity, that is, a single economic unit of economic
activity. Refers to the individual companies, business units and their economic
activities, such as individual enterprises, the production, supply and
marketing, individual exchange prices. Micro-economic operations, to prices and
market signals induced by competition, self-adjusting and balancing; and
macro-economic operation, there are many market mechanisms can not be achieved,
the need for the country from the overall interests of the community, using a
variety of the means to carry out macroeconomic regulation and control.