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 command economy is an economy where government plays the important role. Eg, prices are fixed by the government. a market economy is an economy where private individuals take their own decisions with less government intervation.Eg,prices are fixed by the forces of market-demand and supply. a mixed economy is a combination of both the economies-both the government as well as the private individuals take decisions.