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Stochastic Frontier-Based Analysis of Energy Efficiency in Russian Open-Pit Mining Enterprises

open access: yesEnergies
This article is devoted to the study of the possibilities for improvAzing the quality of energy management systems adopted at open-pit mining enterprises in the Russian Federation.
Ulvi Rzazade   +3 more
doaj   +1 more source

Douglas College Calendar 1984-1985: [PDF]

open access: yes, 1984
Hardcopy available from Douglas College ...

core  

Douglas DC3 airplane at the RAAF Base Fairbairn, Canberra, 1951 /

open access: yes, 1951
Title devised by cataloguer based on inscription.; Part of the: Collection of aviation aircrafts and portraits, 1951-1983.; Inscriptions: "Douglas DC3 at R.A.A.F.
Thompson, Douglas, 1932- photographer.
core  

Douglas College Calendar 2003-2005: [PDF]

open access: yes, 2003
Hardcopy available from Douglas College ...

core  

Douglas College Calendar 1982-1983: [PDF]

open access: yes, 1982
Hardcopy available from Douglas College ...

core  

Douglas College Calendar 1988-1989: [PDF]

open access: yes, 1988
Harcopy available from Douglas College ...

core  

Douglas College Calendar 1985-1986: [PDF]

open access: yes, 1985
Hardcopy available from Douglas College ...

core  

Douglas College Calendar 1991-1992: [PDF]

open access: yes, 1991
Hardcopy available from Douglas College ...

core  

A note on the Cobb-Douglas function

open access: yes
This note observes that the Cobb-Douglas function is uniquely characterized by the property that, if the labour share of cost for a constant-returns-to-scale firm remains constant when the firm minimizes its cost for any given output level, then the firm's production function must be Cobb-Douglas.
openaire   +2 more sources

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