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    Wyświetlanie 1-6 z 6
    Tytuł:
    The innovative strategy of the business development based on the waste tire recycling in the Republic of Lithuania
    Autorzy:
    Rozhenko, Oleksandra
    Iurchenko, Maryna
    Juscius, Vytautas
    Powiązania:
    https://bibliotekanauki.pl/articles/27315581.pdf
    Data publikacji:
    2023
    Wydawca:
    STE GROUP
    Tematy:
    eco-friendly energy
    innovative strategy
    legal support
    pyrolysis fuel and oil
    risk assessment
    Opis:
    This article explores the development of a new business strategy in the Republic of Lithuania that focuses on the processing of waste tires into fuel. An innovative approach has been adopted, which incorporates three interdependent components: managerial, legal, and financial/economic factors. This approach ensures the integration of different levels and functions of management for the inclusive development of this business in the Republic of Lithuania. A set of indicators has been proposed, which were used to conduct a comparative analysis of alternative types of energy used for heating, such as diesel fuel, pyrolysis, wood pellets, electricity, and natural gas. A mathematical model has been constructed to formalize the financial and economic results of the tire recycling business, and it can be used to determine the results with any number of recycled tires. The investment analysis of the tire recycling business in the Republic of Lithuania confirms the economic feasibility of the proposed strategy. The risk assessment of the proposed strategy was also conducted, taking into account the technical and possible initial volumes of processing. Based on these economic and mathematical tools, managerial decisions can be made regarding the strategic alternatives for implementation. Additionally, the implementation of this strategy can lead to multiple positive environmental and social outcomes such as reduction of waste tires in landfills and decrease in dependence on fossil fuels. The results of this research provide a valuable basis for decision-makers in the government and private sector to consider the implementation of this innovative strategy and contribute to the sustainable development of the country.
    Źródło:
    Management Systems in Production Engineering; 2023, 2 (31); 162--171
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modeling of the Decision-making Procedure for Financing of Cyber Security Means of Cloud Services by the Medium of a Bilinear Multistep Quality Game with Several Terminal Surfaces
    Autorzy:
    Lakhno, V.
    Akhmetov, B.
    Malyukov, V.
    Kartbaev, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/226592.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    cloud infrastructures
    cyber security
    multistep quality game
    optimum financing strategy
    risks
    decision-making support system
    Opis:
    The model is developed for the intellectualized decision-making support system on financing of cyber security means of transport cloud-based computing infrastructures, given the limited financial resources. The model is based on the use of the theory of multistep games tools. The decision, which gives specialists a chance to effectively assess risks in the financing processes of cyber security means, is found. The model differs from the existing approaches in the decision of bilinear multistep quality games with several terminal surfaces. The decision of bilinear multistep quality games with dependent movements is found. On the basis of the decision for a one-step game, founded by application of the domination method and developed for infinite antagonistic games, the conclusion about risks for players is drawn. The results of a simulation experiment within program implementation of the intellectualized decision-making support system in the field of financing of cyber security means of cloudbased computing infrastructures on transport are described. Confirmed during the simulation experiment, the decision assumes accounting a financial component of cyber defense strategy at any ratios of the parameters, describing financing process.
    Źródło:
    International Journal of Electronics and Telecommunications; 2018, 64, 4; 467-472
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Robustness of Support Vector Machines in Algorithmic Trading on Cryptocurrency Market
    Autorzy:
    Ślepaczuk, Robert
    Zenkova, Maryna
    Powiązania:
    https://bibliotekanauki.pl/articles/1356913.pdf
    Data publikacji:
    2019-08-07
    Wydawca:
    Uniwersytet Warszawski. Wydział Nauk Ekonomicznych
    Tematy:
    Machine learning
    support vector machines
    investment algorithm
    algorithmic trading
    strategy
    optimization
    cross-validation
    overfitting
    cryptocurrency market
    technical analysis
    meta parameters
    Opis:
    This study investigates the profitability of an algorithmic trading strategy based on training SVM model to identify cryptocurrencies with high or low predicted returns. A tail set is defined to be a group of coins whose volatility-adjusted returns are in the highest or the lowest quintile. Each cryptocurrency is represented by a set of six technical features. SVM is trained on historical tail sets and tested on the current data. The classifier is chosen to be a nonlinear support vector machine. The portfolio is formed by ranking coins using the SVM output. The highest ranked coins are used for long positions to be included in the portfolio for one reallocation period. The following metrics were used to estimate the portfolio profitability: %ARC (the annualized rate of change), %ASD (the annualized standard deviation of daily returns), MDD (the maximum drawdown coefficient), IR1, IR2 (the information ratio coefficients). The performance of the SVM portfolio is compared to the performance of the four benchmark strategies based on the values of the information ratio coefficient IR1, which quantifies the risk-weighted gain. The question of how sensitive the portfolio performance is to the parameters set in the SVM model is also addressed in this study.
    Źródło:
    Central European Economic Journal; 2018, 5, 52; 186 - 205
    2543-6821
    Pojawia się w:
    Central European Economic Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modelling contractor’s bidding decision
    Autorzy:
    Biruk, S.
    Jaśkowski, P.
    Czarnigowska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/125566.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    decision support
    decision to bid
    pricing strategy
    contractor cash flows
    linear programming
    wspomaganie decyzji
    polityka cenowa
    przepływy pieniężne
    programowanie liniowe
    Opis:
    The authors aim to provide a set of tools to facilitate the main stages of the competitive bidding process for construction contractors. These involve 1) deciding whether to bid, 2) calculating the total price, and 3) breaking down the total price into the items of the bill of quantities or the schedule of payments to optimise contractor cash flows. To define factors that affect the decision to bid, the authors rely upon literature on the subject and put forward that multi-criteria methods are applied to calculate a single measure of contract attractiveness (utility value). An attractive contract implies that the contractor is likely to offer a lower price to increase chances of winning the competition. The total bid price is thus to be interpolated between the lowest acceptable and the highest justifiable price based on the contract attractiveness. With the total bid price established, the next step is to split it between the items of the schedule of payments. A linear programming model is proposed for this purpose. The application of the models is illustrated with a numerical example. The model produces an economically justified bid price together with its breakdown, maintaining the logical proportion between unit prices of particular items of the schedule of payment. Contrary to most methods presented in the literature, the method does not focus on the trade-off between probability of winning and the price but is solely devoted to defining the most reasonable price under project-specific circumstances. The approach proposed in the paper promotes a systematic approach to real-life bidding problems. It integrates practices observed in operation of construction enterprises and uses directly available input. It may facilitate establishing the contractor’s in-house procedures and managerial decision support systems for the pricing process.
    Źródło:
    Engineering Management in Production and Services; 2017, 9, 1; 64-73
    2543-6597
    2543-912X
    Pojawia się w:
    Engineering Management in Production and Services
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of survival strategy by application of safety dependent utility model
    Autorzy:
    Kulikowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/205749.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    optymalizacja
    prawdopodobieństwo
    ryzyko
    teoria decyzji
    teoria systemów
    wzór użytkowy
    death-averting
    decision support
    expcted return
    life saving
    optimization
    optimum life-saving strategy
    probability of death and survival
    risk
    safety
    utility models
    Opis:
    This paper deals with life-saving decisions. The decision maker can buy a number of death-averting devices or services which increase his safety S at the expense of the discounted future consumption R. The safety and consumption depend parametrically on the death probability p and the probability reducing strategy x, i.e. S(p/x); R(p/x). The two-factors utility function U(S, R) is used to find the optimum strategy x = [...]. which maximizes U(x). One can show that the unique strategy [...] exists and can be effectively derived. Many applications of proposed methodology are indicated.
    Źródło:
    Control and Cybernetics; 2000, 29, 1; 167-178
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    FINANCIAL SUPPORT STRATEGY FOR INNOVATIVE AGRICULTURAL ENGINEERING DEVELOPMENT
    STRATEGIA ZAPEWNIENIA FINANSOWEGO INNOWACYJNEGO ROZWOJU MASZYN ROLNICZYCH
    Autorzy:
    Ilchuk, Valerii
    Shpomer, Tetiana
    Powiązania:
    https://bibliotekanauki.pl/articles/576796.pdf
    Data publikacji:
    2018-12
    Wydawca:
    Międzynarodowy Instytut Innowacji Nauka – Edukacja – Rozwój w Warszawie
    Tematy:
    strategy
    financial support
    innovation development
    agricultural engineering
    investor
    investment opportunities
    technical and technological base
    production program
    strategia
    wsparcie finansowe
    innowacyjny rozwój
    przemysł maszyn rolniczych
    inwestor
    możliwości inwestycyjne
    baza techniczna i technologiczna
    program produkcji
    Opis:
    The factors of the influence of the external environment on the strategy of financial support as an integral part of the strategy of innovative agricultural engineering development have been considered. The stages of its formation with focus on market conditions have been determined. The directions of the implementation of the strategy for financial support for innovative agricultural engineering development have been described, the conditions of participation of investors and the mechanism of its implementation have been presented.
    Uwzględniono wpływ czynników środowiska na strategię wsparcia finansowego jako integralną część strategii rozwoju innowacji maszyn rolniczych. Wyznaczono etapy jej powstawania z naciskiem na warunki rynkowe. Opisano kierunki realizacji strategii wsparcia finansowego dla innowacyjnego rozwoju inżynierii rolniczej, warunki uczest-nictwa inwestorów oraz przedstawiono mechanizm jej realizacji.
    Źródło:
    International Journal of New Economics and Social Sciences; 2018, 8(2); 299-309
    2450-2146
    2451-1064
    Pojawia się w:
    International Journal of New Economics and Social Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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