Central European Journal of Operations Research
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Comparative regional GDP analysis: case study of Croatia
Central European Journal of Operations Research - Tập 19 - Trang 319-335 - 2010
The focus of this paper is the regional GDP analysis of Croatian Counties. It is
a part of an extensive on-going scientific research about Croatian economic
challenges within the global recession environment. Although, as EU accession
country, Croatia is divided into three NUTS 2 regions, twenty one Croatian
Counties show significant economic and social disproportions. In multiple
regression model...
Human factors in a contemporary organization
Central European Journal of Operations Research - Tập 28 - Trang 579-587 - 2020
The presented paper concerns publications presented as part of XXXI
International Seminar of Ergonomics. It presents basic information on ergonomics
terminology. In addition, the development directions of the ergonomics research
area in historical terms were shown. This is because, among other things
organizing background for over 40 years International Ergonomics Seminars series
in Poland. The se...
Robust portfolio optimization for banking foundations: a CVaR approach for asset allocation with mandatory constraints
Central European Journal of Operations Research - - 2023
AbstractThis paper focuses on an innovative asset allocation strategy for risk
averse investors who operate on very long-time horizons, such as endowments and
the Italian foundations of banking origin (FBOs). FBOs play a pivotal role in
supporting economic, financial and sustainable growth in the long term. In the
search for a model which optimizes FBO portfolio choices in the light of
regulatory ...
Transition towards sustainable mobility: the role of transport optimization
Central European Journal of Operations Research - - Trang 1-22 - 2023
Although the concept of a transition towards sustainability has been introduced
about 30 years ago, there is still a lack of progress. Transport emissions have
not decreased in the last decade. However, they need to be reduced substantially
to meet climate goals. The cornerstones of a transition can be summarized with
the avoid-shift-improve paradigm: Traffic should be avoided as much as possible,...
Testing the robustness of deterministic models of optimal dynamic pricing and lot-sizing for deteriorating items under stochastic conditions
Central European Journal of Operations Research - Tập 27 - Trang 1131-1152 - 2018
Many models within the field of optimal dynamic pricing and lot-sizing models
for deteriorating items assume everything is deterministic and develop a
differential equation as the core of analysis. Two prominent examples are the
papers by Rajan et al. (Manag Sci 38:240–262, 1992) and Abad (Manag Sci
42:1093–1104, 1996). To our knowledge, nobody has ever tested whether the
optimal solutions obtaine...
Special issue on Rich Vehicle Routing Problems
Central European Journal of Operations Research - Tập 14 - Trang 103-104 - 2006
Measuring carbon performance for sustainable green supply chain practices: a developing country scenario
Central European Journal of Operations Research - Tập 28 - Trang 1389-1416 - 2020
Carbon emissions due to economic activities are recognized to be global problem.
Governments of all countries need to evolve environmental policies and practices
for large-scale collective actions to regulate green house gas emission. Fuel
quality standards for vehicles, stricter codes for construction, emission limits
for industrial units and power plants are some of measures advocated to speed u...
Constrained Naïve Bayes with application to unbalanced data classification
Central European Journal of Operations Research - Tập 30 - Trang 1403-1425 - 2021
The Naïve Bayes is a tractable and efficient approach for statistical
classification. In general classification problems, the consequences of
misclassifications may be rather different in different classes, making it
crucial to control misclassification rates in the most critical and, in many
realworld problems, minority cases, possibly at the expense of higher
misclassification rates in less prob...
Modeling dependent credit rating transitions: a comparison of coupling schemes and empirical evidence
Central European Journal of Operations Research - Tập 24 - Trang 989-1007 - 2015
Three coupling schemes for generating dependent credit rating transitions are
compared and empirically tested. Their distributions, the corresponding
variances and default correlations are characterized. Using Standard and Poor’s
data for OECD countries, parameters of the models are estimated by the maximum
likelihood method and MATLAB optimization software. Two pools of debtors are
considered: wi...
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