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An efficiency comparison of the non-life insurance industry in the BRIC countries

Huang, Wei; Eling, Martin - In: European Journal of Operational Research 226 (2013) 3, pp. 577-591

in the efficiency analysis using multi-stage data envelopment analysis (DEA). This approach captures cross …

Persistent link: https://www.econbiz.de/10011052763

A note on imposing strong complementary slackness conditions in DEA

Krivonozhko, Vladimir E.; Førsund, Finn R.; Lychev, … - In: European Journal of Operational Research 220 (2012) 3, pp. 716-721

A new DEA model has been introduced recently combining the primal and the dual models in order to impose strong …

Persistent link: https://www.econbiz.de/10011052771

Information sharing in DEA: A cooperative game theory approach

Lozano, S. - In: European Journal of Operational Research 222 (2012) 3, pp. 558-565

In this paper, a cooperative DEA game is proposed based on the idea that different organizations can gain if they share … cooperation. The proposed cooperative DEA game is shown to be subadditive and balanced. Models for computing the τ-value of the …

Persistent link: https://www.econbiz.de/10011052787

Data envelopment analysis for environmental assessment: Comparison between public and private ownership in petroleum industry

Sueyoshi, Toshiyuki; Goto, Mika - In: European Journal of Operational Research 216 (2012) 3, pp. 668-678

Envelopment Analysis (DEA) for environmental assessment. An important feature of the DEA environmental assessment is that it needs … the three types of unification for DEA environmental assessment by using non-radial DEA models. The first unification …

Persistent link: https://www.econbiz.de/10011052797

Assessing eco-efficiency with directional distance functions

Picazo-Tadeo, Andrés J.; Beltrán-Esteve, Mercedes; … - In: European Journal of Operational Research 220 (2012) 3, pp. 798-809

Eco-efficiency is a matter of concern at present that is receiving increasing attention in political, academic and business circles. Broadly speaking, this concept refers to the ability to create more goods and services with less impact on the environment and less consumption of natural...

Persistent link: https://www.econbiz.de/10011052827

A methodology for quantitative comparison of control solutions and its application to HVAC (heating, ventilation and air conditioning) systems

Macek, Karel; Mařík, Karel - In: Energy 44 (2012) 1, pp. 117-125

Many control solutions are currently available for controlling energy system operations. Newly developed solutions for established systems are assumed to demonstrate improvement over previous solutions especially in cost savings. We have found this to be true in the area of HVAC (heating,...

Persistent link: https://www.econbiz.de/10011052931

Efficiency assessment of Turkish power plants using data envelopment analysis

Sarıca, Kemal; Or, Ilhan - In: Energy 32 (2007) 8, pp. 1484-1499

65 thermal, hydro and wind power plants, owned by private and public sectors. Data envelopment analysis (DEA) is used as … pursued. Constant returns to scale, variable returns to scale and assurance region type DEA models are used in the analysis …

Persistent link: https://www.econbiz.de/10011053440

Study on energy efficiency in corn production of Iran

Banaeian, Narges; Zangeneh, Morteza - In: Energy 36 (2011) 8, pp. 5394-5402

energy efficiency by Data Envelopment Analysis (DEA) in corn production of Iran during a seven years period. Results … period was 2.59, 0.17 kg MJ−1, 7.24 MJ kg−1 and 51.34 GJ ha−1, respectively. DEA considered the yield (kg ha−1) as output and …

Persistent link: https://www.econbiz.de/10011053940

Operational and non-operational performance evaluation of thermal power plants in Iran: A game theory approach

Jahangoshai Rezaee, Mustafa; Moini, Alireza; Makui, Ahmad - In: Energy 38 (2012) 1, pp. 96-103

(DEA) may fail to discriminate among decision making units (DMUs) and the resulting efficiency scores may not be meaningful …, especially when the number of DMUs is insufficient. In this paper, a new approach is presented based on DEA and game theory to … DEA models are combined. The proposed approach regardless of the number of DMUs does discriminate among the DMUs more …

Persistent link: https://www.econbiz.de/10011054436

Improving energy use efficiency of canola production using data envelopment analysis (DEA) approach

Mousavi-Avval, Seyed Hashem; Rafiee, Shahin; Jafari, Ali; … - In: Energy 36 (2011) 5, pp. 2765-2772

In this study energy use pattern for canola production in Golestan province of Iran was studied and the degrees of technical and scale efficiency of producers were analyzed using a non-parametric data envelopment analysis technique. The study also helped to identify the wasteful uses of energy...

Persistent link: https://www.econbiz.de/10011054910