Any political social system that implements a communist political philosophy.
The international socialist society where classes, money, and the state no longer exist.
Any far-left political ideology or philosophy advocating holding the production of resources collectively, especially by seizing it through revolution.
The theory that a nation must always have a positive balance of trade, in the manner that a merchant would operate a shop. Typically this model presupposes protectionism.
The theory that holds that the prosperity of a nation depends upon its supply of capital, and that the global volume of trade is unchangeable.