Evaluating energy efficiency for airlines: An application of VFB-DEA |
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| Affiliation: | 1. Transportation Management College, Dalian Maritime University, No.1 Linghai Road, Dalian City, 116026, China;2. Faculty of Management and Economics, Dalian University of Technology, No.2 Linggong Road, Dalian City, 116024, China;1. School of Economics and Management, Southeast University, Nanjing 211189, China;2. School of Business Administration, Nanjing University of Finance and Economics, Nanjing 210023, China;1. School of Economics, Hefei University of Technology, Anhui, 230009, PR China;2. School of Management, University of Science and Technology of China, Anhui, 23006, PR China;1. Department of Civil and Materials Engineering, University of Illinois at Chicago, 842 West Taylor Street, Chicago, IL 60607, USA;2. Department of Civil and Environmental Engineering, University of California at Berkeley, 107 McLaughlin Hall, Berkeley, CA 94720, USA;3. Department of Civil and Environmental Engineering, University of California at Berkeley, 114 McLaughlin Hall, Berkeley, CA 94720, USA;1. Transportation Management College, Dalian Maritime University, No. 1 Linghai Road, Dalian City 116026, China;2. Faculty of Management and Economics, Dalian University of Technology, No. 2 Linggong Road, Dalian City 116024, China |
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| Abstract: | In this paper, the energy efficiency of airlines has been studied with number of employees, capital stock and tons of aviation kerosene as the inputs and Revenue Ton Kilometers, Revenue Passenger Kilometers, total business income and CO2 emissions decrease index as the outputs. A new model, Virtual Frontier Benevolent DEA Cross Efficiency model (VFB-DEA), is proposed to calculate the energy efficiencies of 11 airlines from 2008 to 2012. Spearman correlation coefficient is applied to validate the applicability of the new model. The results indicate that capital efficiency is an important factor in driving energy efficiency, and the American financial crisis had a significant influence on the change in energy efficiency during this period. |
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| Keywords: | Energy efficiency Airlines VFB-DEA |
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