Journal
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
Volume 221, Issue 3, Pages 625-635Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejor.2012.04.022
Keywords
Data envelopment analysis; Directional distance function; Energy efficiency; CO2 emission performance; Electricity generation
Funding
- National Natural Science Foundation of China [70903031, 41071348]
- Program for New Century Excellent Talents in University [NCET-10-0073]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, China Ministry of Education
- Jiangsu Qing Lan Project
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This paper presents a non-radial directional distance function approach to modeling energy and CO2-emission performance in electricity generation from the production efficiency point of view. We first define and construct the environmental production technologies for the countries with and without CHP plants, respectively. The non-radial direction distance function approach is then proposed and several indexes are developed to measure energy and CO2 emission performance of electricity generation. The directional distance functions established can be computed by solving a series of data envelopment analysis models. We then conduct an empirical study using the dataset for over one hundred countries. It is found that OECD countries have better carbon emission performance and integrated energy-carbon performance than non-OECD countries in electricity generation, while the difference in energy performance is not significant. (c) 2012 Elsevier B.V. All rights reserved.
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