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:
1 an economic system in which the government controls and regulates production, distribution, prices, etc.  A command economy is an economic method where the price and supply of products are set and regulated by the government. The command economy is a key feature of a communist society. A command economy is when the government owns all the businesses, make all the prices,and tell who gets to work there(under option).