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    Wyświetlanie 1-7 z 7
    Tytuł:
    A multicriteria approach to cooperation in the case of innovative activity
    Autorzy:
    Kruś, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/970488.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    wielokryterialne wspomaganie decyzji
    innowacyjność
    analiza finansowa
    multicriteria decision support
    negotiations
    innovations
    financial analysis
    Opis:
    The paper deals with ideas of multicriteria decision support with the use of computer based systems. A negotiation problem is considered related to joint realization of a risky innovative project by two parties. It is considered as a multicriteria bargaining problem. A procedure enabling interactive multicriteria analysis and derivation of mediation proposals is proposed. Some results of experimental calculations are included.
    Źródło:
    Control and Cybernetics; 2004, 33, 3; 449-462
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of strategies in a monetary-fiscal game. The case of Poland
    Autorzy:
    Krus, L.
    Woroniecka-Leciejewicz, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/205618.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    monetary-fiscal game
    macroeconomic modeling
    Nash equilibria
    Pareto optimality
    Opis:
    A monetary-fiscal game describing the interactions of the fiscal and monetary authorities is formulated and analyzed. A macroeconomic model for the Polish economy has been formulated on the basis of the concept of New Neoclassical Synthesis and respectively extended so as to accommodate the effects of fiscal policy. Several variants of the model have been estimated using statistical data for the Polish economy. It is assumed in the game that each party (monetary and fiscal) tries to achieve its own goal: the fiscal authority – the assumed GDP growth, and the monetary authority – an inflation level. The best response strategies of the authorities and the Nash equilibria are calculated and analyzed in two cases, namely when the decisions are made simultaneously and sequentially. The simulation results obtained indicate that when the authorities try to achieve independently their goals, in a general case the Nash equilibrium is not Pareto optimal. The best response strategies may lead to conflict escalation and to results which are not beneficial for both parties.
    Źródło:
    Control and Cybernetics; 2016, 45, 2; 163-183
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the historical policy mixes for Poland using the game approach
    Autorzy:
    Kruś, L.
    Woroniecka-Leciejewicz, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/205620.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    game theory
    economic modeling
    policy-mix
    decision analysis
    Nash equilibrium
    Pareto optimality
    Opis:
    The study here presented pertains to the analysis of mutual interactions of the monetary and fiscal policies in the case of Poland. The historical policies carried out during different periods of time and their economic effects are compared with the possible strategies, obtained from the analysis of the proposed monetaryfiscal game. In the study, the methods of non-cooperative game theory are combined with macroeconomic modeling. The respective game is formulated for monetary and fiscal authorities as players. Strategies of these players refer to the respective instruments of their policies: the real interest rate and the budget deficit in relation to GDP. Payoffs include inflation and GDP growth, respectively. The payoffs are calculated using a recursive macroeconomic model estimated for the Polish economy. The model describes influences of the instruments of the monetary and fiscal policies on the state of the economy. The best response strategies, the Nash equilibria and Pareto optimality are analyzed. Changes of the policies towards the more restrictive or more expansive ones and their effects in comparison to the historically applied are discussed. This is performed for two different time periods – the time of recovery after 2004 and the time of the global financial crisis after 2008.
    Źródło:
    Control and Cybernetics; 2018, 47, 3; 277-300
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A multicriteria model for analyzing the impact of EU GHG limiting policies on economic growth: The case of Poland
    Autorzy:
    Gadomski, J.
    Krus, L.
    Nahorski, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/205698.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    greenhouse gases
    curbing emissions
    government policy
    multicriteria optimization
    technological change
    economic growth
    Opis:
    In this study, a macroeconomic model and the multicriteria approach are used to analyze the impact of the enforced greenhouse gas (GHG) emission limits on economic development and future consumption in a small open economy country, like Poland. The following questions are considered: how economic transformation, connected with adjustment of the national economy to the policy limiting GHG emission would proceed? what may be the consequences of the enforced emission limits for the economic development and future consumption? The model answers these questions by presenting time trajectories, describing the evolution of three sectors, which influence GHG emission, namely those producing intermediary inputs, consumer goods, and investment goods. The sectors interact via markets of the relevant goods. The model takes into account the inertial behavior of the large-scale dynamic system, as well as social and political resistance to changes. It also indicates technological changes in the form of time-varying shares of two technologies, namely the GHG emission intensive and the GHG emission avoiding ones. Two competing objectives are considered in the multicriteria analysis, i.e. maximization of consumption and minimization of GHG emission. The costs of pursuing the GHG limiting policy are assessed in terms of lost consumption. The multicriteria analysis is performed with the use of the derived representation of the Pareto optimal outcomes. Computational results are presented for the case of Poland. They show three phases in a transition period, early growth on the basis of existing assets in the initial years, a depression phase, where technological changes mainly occur, and a period of renewed growth. They are followed by a steady development under new emission conditions.
    Źródło:
    Control and Cybernetics; 2018, 47, 1; 55-83
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of incentive compatible decisions in a multicriteria auction
    Autorzy:
    Kruś, L.
    Skorupiński, J.
    Toczyłowski, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/406461.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    multicriteria auction
    incentive compatible decisions
    multi-agent systems
    multicriteria optimization
    Opis:
    An iterative multicriteria closed-auction conducted with the use of a multi-agent computer-based system is analyzed. This system supports the submission of offers, multicriteria analysis carried out by the organizer of the auction, simulation, and analysis of the behavior of competing bidders. Analysis of incentive compatible decisions is the main subject of this research. A mathematical formulation of the decision making problem and selected results of a bidding session conducted using this system are presented and analyzed.
    Źródło:
    Operations Research and Decisions; 2013, 23, 3; 23-33
    2081-8858
    2391-6060
    Pojawia się w:
    Operations Research and Decisions
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Strength and buckling of sandwich beams with corrugated core
    Wytrzymałość i stateczność belek trójwarstwowych z rdzeniem falistym
    Autorzy:
    Magnucki, K.
    Jasion, P.
    Krus, M.
    Kuligowski, P.
    Wittenbeck, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/280851.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    sandwich beam
    corrugated core
    strength
    elastic buckling
    deflection
    Opis:
    The subject of the paper is a sandwich beam with a crosswise or lengthwise corrugated core. The beam is made of an aluminium alloy. The plane faces and the corrugated core are glued together. Geometrical properties and rigidities of the beams are described. The load cases investigated in the work are pure bending and axial compression. The relationship between the applied bending moment and the deflection of the beam under four-point bending is discussed. The analytical and numerical (FEM) calculations as well as experimental results are described and compared. Moreover, for the axial compression, the elastic global buc kling problem of the analysed beams is presented. The critical loads for the beams with the crosswise and lengthwise corrugated core are determined. The comparison of the analytical and FEM results is shown.
    Przedmiotem pracy są belki trójwarstwowe zrdzeniem falistym. Poszczególne warstwy belek wykonane są ze stopu aluminium i połączone klejem. Wyróżniono dwa kierunki pofałdowania: wzdłużny i poprzeczny. Opisano geometrię przekroju poprzecznego i wyznaczono sztywności belek. W pracy rozpatrzono dwa przypadki obciążenia. Pierwszy z nich to czyste zginanie realizowane poprzez tak zwane zginanie czteropunktowe. Dla tego typu obciążenia zbadano zależność między przyłożonym momentem gnącym a ugięciem belki. Dla drugiego przypadku obciążenia, osiowego ściskania, omówiono problem globalnej stateczności sprężystej i wyznaczono obciążenia krytyczne. Ponadto zaprezentowano porównanie wyników uzyskanych z zaproponowanego modelu analitycznego z wynikami otrzymanymi z metody elementów skończonych i z badań laboratoryjnych.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2013, 51, 1; 15-24
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biological Action in and out of the Water Window
    Autorzy:
    Vyšín, L.
    Davídková, M.
    Wachulak, P.
    Fiedorowicz, H.
    Bartnik, A.
    Krůs, M.
    Kozlová, M.
    Skála, J.
    Dostál, J.
    Dudžák, R.
    Juha, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1029783.pdf
    Data publikacji:
    2018-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    87.14.G-
    52.38.-r
    Opis:
    This study is dealing with the difference of radiation chemical yields of single and double strand breaks induced in plasmid DNA by photons inside and outside of the soft X-ray water window, i.e., in the wavelength range from 2.28 nm to 4.88 nm. Photons were generated by various plasma sources providing nanosecond and sub-nanosecond pulses of extreme ultraviolet, soft X-ray and X-ray radiation. DNA strand breaks were determined by agarose gel electrophoresis. Higher radiation chemical yields of both single and double strand breaks were found using picosecond and nanosecond sources of extreme ultraviolet and X-ray radiation.
    Źródło:
    Acta Physica Polonica A; 2018, 133, 2; 236-238
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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