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001-es BibID:	BIBFORM110162
035-os BibID:	(Cikkazonosító)6538 (WOS)000602783100001 (Scopus)85099931867
Első szerző:	Akbar, Usman
Cím:	Trade-Offs for the optimal energy efficiency of road transportation: Domestic cases in developing countries / Usman Akbar, Muhammad Asif Khan, Marryum Akmal, Éva Zsuzsanna Tóth Naárné, Judit Oláh
Dátum:	2020
ISSN:	1996-1073
Megjegyzések:	The increase in domestic transportation in developing countries may adversely affect the energy efficiency of road transportation due to effective productivity and carbon dioxide emissions (CO2). When evaluating quantitatively the countries on the efficiency frontier, poor efficiency can still be seen sometimes due to the slack available in undesirable output measures. This paper uses desirable and undesirable output variables, such as passenger-kilometers (PKM), tones-kilometers (TKM), and carbon dioxide (CO2), to compute the weakly efficient decision-making units (DMUs). The data envelopment analysis (DEA) technology is used to assess the efficiencies of the decision-making units (DMUs), which are countries in our case. Then, the trade-off method with efficient binding surfaces is used to attain the optimal efficiencies of the weakly efficient DMUs. The marginal rates aid this trade-off analysis. Resultantly, such marginal trade-offs do not deteriorate the efficiency of the DMUs below the frontier line. We calculate the maximum change (margin) in a specific variable amount when another variable`s amount is changed. Thus, such a computation gives us different margins, with which each output variable can be a traded off to bring a DMU further toward the closest optimal point possible. The marginal trade-off can help the managers and policymakers in effective decision-making, and it is further recommended to address efficiency damages (by the undesired outputs).
Tárgyszavak:	Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk data envelopment analysis trade-offs efficiency road transportations
Megjelenés:	Energies. - 13 : 24 (2020), p. 1-14. -
További szerzők:	Khan, Muhammad Asif (1976-) (közgazdász) Akmal, Marryum Naárné Tóth Éva Zsuzsanna Oláh Judit (1973-) (agrárközgazdász, logisztika)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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