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CONSTRUCTION OF THE ENVIRONMENTAL PERFORMANCE INDEX USING DEA

100%

Chodakowska E.

Metody Ilościowe w Badaniach Ekonomicznych

2014

vol. 15

issue 2

296-306

There is wide range of environmental performance indicators. The more sophisticated they are, the more arbitrary viewpoint they take. The EPI weights are established based on experts’ judgments form Yale University and Columbia University team. In the article was analysed the changes in the EPI when the weights had been replaced with the weights determined by Data Envelopment Analysis. DEA determines weights that maximize the performance of each unit with some assumptions. Not for every European country this approach turned out to be the better option.

THE ATTEMPT TO CREATE AN INTERNAL CREDIT RISK RATING OF PRODUCTION COMPANIES WITH THE USE OF OPERATIONAL RESEARCH METHOD

63%

Chodakowska E., Wardzinska K.

Metody Ilościowe w Badaniach Ekonomicznych

2013

vol. 14

issue 1

74-83

In the article the ratings developed by Moody's Corporation, Standard & Poor's Ratings Services and financial data of Polish windows manufactures were analyzed. Ratings published by international agencies were compared with an independently developed rating. Authors made an attempt to verify the hypothesis whether the internal rating created by means of operational research method, significantly differs from the ratings prepared by international rating agencies. In the article mathematical possibilities of potential changes in credit rating were presented.

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2 Metody Ilościowe w Badaniach Ekonomicznych

2 Chodakowska E.

1 Wardzinska K.

1 2014

1 2013

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CONSTRUCTION OF THE ENVIRONMENTAL PERFORMANCE INDEX USING DEA

THE ATTEMPT TO CREATE AN INTERNAL CREDIT RISK RATING OF PRODUCTION COMPANIES WITH THE USE OF OPERATIONAL RESEARCH METHOD