1 The average electric furnace cost is $1,750 to $3,500 installed. 2  The typical gas furnace cost is $3,000 to $6,000 installed, although higher efficiency models and/or complex installations could push the cost up to $7,500 to $10,000 or more.
The great characteristic of a centralized economy is that all economic activities are directed or planned by a central authority so that the people are subjected to a hierarchical control. Every man has a superior whom he must obey. The most outstanding examples of the centralized economy are:
A planned economy is a type of economy consisting of a mixture of public ownership of the means of production and the coordination of production and distribution through economic planning. There are two major types of planning: decentralised-planning and centralised-planning.