Ciurlău, Loredana - In: Annals of the University of Petrosani, Economics 9 (2009) 1, pp. 187-190
The concept of economical efficiency expresses the report between the useful effect or the result and the effort and the expense occasioned by its obtaining. The greater the effect achieved on the expense unit or the other way around, the smaller the expense occasioned by the producing of a...
