Naser Kaheh
Department of Applied Mathematics, Azarbaijan Shahid Madani University, Tabriz, Iran
[ 1 ] - Calculating cost efficiency using prices dependent on time via approximate method
In the traditional cost-efficiency model, the information about each decision unit includes inputs, outputs, and the input prices are fixed and specific. In practice, the price of the inputs often fluctuates at different times, and these prices for the decision-making unit are time-dependent. By the traditional method, the efficiency of decision units is impossible in the presence of time-depen...
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