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Real options in a systemic approach to the timing problem in development projects

100%
TARGIEL K.
Operations Research and Decisions
|
2015
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vol. 25
|
issue 3
73-85
EN
The management environment at the beginning of the XXI century is characterized by high volatility. Development projects should take into account not only certain deliverables but also any opportunities that may arise. These opportunities are called real options. The paper describes a systems approach to various types of real options that can be found in a project’s environment. A method is presented for using such options in the timing problem.
2
Content available remote

Implementations of interactive multicriteria decision support methods in conditions of risk

100%
TARGIEL K.
Operations Research and Decisions
|
2012
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vol. 22
|
issue 3
55-62
EN
This paper presents programs which implement the tools for interactive methods of decision support under risk proposed by M. Nowak, as a complementary way to disseminate research results. It also presents a discussion of the appropriateness of implementing quantitative method tools in the form of add-ins to MS Excel.
3
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Ecological and economic multicriteria optimization of operating alternative propulsion vehicles within the city of Ostrava in the Czech Republic

88%
Janovská K., Vozňáková I., Besta P., Šafránek M.
Equilibrium. Quarterly Journal of Economics and Economic Policy
|
2021
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vol. 16
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issue 4
907-943
EN
Research background: Individual car transport significantly burdens the environment, especially in the centres of large cities. There is pollution, traffic jams and an increase in overall noise. In the area of passenger car transport, legislation is being significantly tightened. Therefore, there are also increasing demands on public transport operators in the Czech Republic. Previously, most of the fleet consisted of diesel vehicles. These have been gradually replaced by drives that are significantly more environmentally friendly, such as the Compressed natural gas drive. The requirements defined in relation to the reduction of vehicle emissions are increasingly stricter. A number of cities, not only within the European Union, are addressing significant issues concerning the future of public transport. Purpose of the article: The main objective of the article is to demonstrate an in-depth analysis of the operation of transport vehicles in the Statutory City of Ostrava, both from the cost and environmental point of view. The comparison of transport means using CNG, electric and diesel propulsion is made. Specific factors such as the route profile or the environmental impact of the mode of transport are also taken into account. The extent of the data processed and the multidimensional nature of the assessment offer a unique analysis of the problem. The article provides an exact view of the advantages and disadvantages of operating specific means of transport. Everything is based on data on transport operations in the city of Ostrava (the Czech Republic, EU). Methods: The comprehensive evaluation is based on the application of methods from the field of financial accounting, evaluation of measured data from the operation of transport means and, last but not least, on the analysis of empirical data from the given area. The analysed data set is unique due to the time period, as is the multi-criteria evaluation methodology.  Findings & value added: The analysis performed demonstrated the economic viability of operating CNG vehicles. The main added value of the article is the unique multi-criteria evaluation procedure for the vehicles. The paper shows the evaluation of a complex decision problem in the transport field in the form of a case study implemented in the city of Ostrava. The evaluation results then consider both cost and environmental factors, which can be described as a comprehensive and highly innovative approach. The defined assessment can then be applied to other European and world metropolises.
4
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Bireference Procedure fBIP for Interactive Multicriteria Optimization with Fuzzy Coefficients

88%
Wojewnik P., Szapiro T.
Central European Journal of Economic Modelling and Econometrics
|
2010
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issue 3
5
Content available remote

EVALUATION OF URBAN FREIGHT TRANSPORT MANAGEMENT MEASURES

88%
Kaszubowski D.
LogForum
|
2012
|
vol. 8
|
issue 3
217-229
EN
Background: Problems with urban freight traffic in downtown areas emerge in parallel with the growth of motorization and changes in consumption patterns. Supply chains become more and more dependent on small and frequent deliveries. It is a problem common for most modern cities and one that requires tailor-made solutions which meet local requirements and can be extended, if necessary. Methods: An extensive literature review was conducted to obtain a comprehensive overview of existing urban freight related problems and possible solutions. The specificity of the problem required a broad approach including an analysis of many case studies from European cities and gathering the theoretical background. On this basis a general set of freight related measures was selected for evaluation. Because of the complexity of both the problem and its solutions an adequate method of evaluation was needed. The method had to be flexible and offer an understandable and manageable structure. The analytic network process (ANP) was selected for this task. It is a multi-criteria decision making method used in complex decisions, which can measure tangible and intangible factors. The author's aim was to build a sufficiently detailed model that ensures reliable results and accomplishes the goals of the main actors and of sustainable city transport policy. Results and Conclusions: The analysis showed that given the current state of development of urban freight traffic in Gdansk, the situation can be rationalised with regulatory measures. Only well balanced and carefully implemented measures have the potential to rationalize urban freight transport without disturbing the city's economic growth. They have to be prepared in advance on the basis of a continuous analysis of the urban transport system. It is important to involve all actors in the development of more advanced measures in a bottom-up planning process. Otherwise, the risk is that overly complicated solutions without a practical justification will produce counterproductive results.
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