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:
Traditional economy. Traditional economy is an original economic system in which traditions, customs, and beliefs help shape the goods and the services the economy produces, as well as the rules and manner of their distribution. Countries that use this type of economic system are often rural and farm-based. Also known as a subsistence economy, a traditional economy is defined by bartering [citation needed] [dubious â discuss] and trading.