Economy, Engineering -- See Engineering economy Here are entered works on the quantitative evaluation of engineering alternatives in terms of worth and cost.
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Economy, Mixed -- See Mixed economy Here are entered works on economic systems in which characteristics of both capitalism and socialism are found. When this heading is subdivided by place, a second heading is assigned for the name of the place subdivided by Economic conditions.
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Economy of knowledge -- See Knowledge economy Here are entered works on economic systems that are dependent on knowledge for growth because either 1) knowledge production and management is emphasized as a commodity, or 2) knowledge is an important tool in the creation of economic growth.
--subdivision Effect of fires on under individual animals and groups of animals and individual plants and groups of plants, e.g. Fishes--Effect of fires on; Corn--Effect of fires on
Ecosystem restoration -- See Restoration ecology Here are entered works on procedures and processes used to return an ecosystem to its natural balance.
