Tools for Measurement the Efficiency -Some Models and Its Applications
Iulian Lita

Abstract
Running the business as efficiently as possible - using human, natural and financial resources - has become the central objective for the development of any society. The efficiency of a firm can really be expressed by comparing the observed values of the input used by the firm and its output values with optimal input and / or output. In the literature, there are two approaches to determine the production boundary (parametric and nonparametric), both using information on the inputs used and the outputs produced by a producer group. This paper presents a non-parametric techniques named Data Envelopment Analysis (DEA) and its applications.

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