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Tytuł:
National Mechanical Engineering in Conditions of Economic Globalization
Autorzy:
Ishchuk, Svitlana
Sozanskyy, Luybomyr
Powiązania:
https://bibliotekanauki.pl/articles/2201162.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
global-range economic system
regional-range economic system
transnational business modeling
descriptive analytic
economic model
economic globalization
national mechanical engineering
transnational corporation
indicator
Opis:
The study was conducted to assess and substantiate the key systemic problems of the national engineering of different countries in the context of economic globalization. To achieve this goal, the study used the author’s method to assess the dependence of mechanical engineering in Ukraine, Poland and Germany on imports of intermediate goods. According to the results, it was determined that in the periods of increasing economic globalization of mechanical engineering in Ukraine, Poland and Germany has undergone systemic destructive changes and is in a threatening state, from the standpoint of economic security. In particular, in Ukrainian and Polish mechanical engineering, the dependence on imports of high-tech intermediate goods is excessively high. In contrast, German engineering, unlike Ukraine’s and Poland’s, is less dependent on imports of high-tech products, but requires much more resource-intensive intermediate goods. It is analytically substantiated that the identified problems with the import dependence of mechanical engineering in Ukraine, Poland and Germany are the result of irrational, one-sided perception of economic globalization by the main economic entities of these countries.
Źródło:
Management and Production Engineering Review; 2022, 13, 4; 107--125
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Socjologiczne podejście do ekonomii w teorii Talcotta Parsonsa, Niklasa Luhmanna i Pierre’a Bourdieu
Sociological approach to Economy in Theories of Talcott Parsons, Niklas Luhmann and Pierre Bourdieu
Autorzy:
Lompart, A.
Powiązania:
https://bibliotekanauki.pl/articles/2137142.pdf
Data publikacji:
2007
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
economic approach
sociological approach
rational choice theory
institutionalism
economic sociology
economic system
economic field
Parsons
Luhmann
Bourdieu
ekonomiczne podejście
teoria racjonalnego wyboru
instytucjonalizm
socjologia ekonomiczna
system ekonomii
pole ekonomiczne
Opis:
Research crossing boundaries between sociology and economics result in new subdisciplines. The most significant ones are economic sociology, institutional economics and rational choice theory. Scholars from these areas strive to justify distinctiveness of their approaches, they stress theoretical advantages of economics as a science, while sociology is regarded mainly as a field of empirical research. Contesting such an approach, the authoress focuses on theories of Talcott Parsons, Niklas Luhmann and Pierre Bourdieu as examples of a 'sociological approach' to economic phenomena. .
Przekraczanie granic tradycyjnych obszarów zainteresowania socjologii i ekonomii owocuje nowymi subdyscyplinami. Najbardziej znaczące to: socjologia ekonomiczna, ekonomia instytucjonalna, teoria racjonalnego wyboru. Ich przedstawiciele wiele miejsca poświęcają uzasadnieniu odrębności własnych kierunków. Dyskusjom tym towarzyszą oceny głównych dyscyplin. Jedna z częściej ujawnianych wskazuje na teoretyczne walory ekonomii jako nauki, postrzegając socjologię głównie jako obszar badań empirycznych. Towarzyszą temu propozycje integracji tak rozumianej socjologii w oparciu o założenia „ekonomicznego podejścia”. Polemizując z taką oceną chcę zwrócić uwagę na teorie T. Parsonsa, N. Luhmanna i P. Bourdieu, które traktuję jako przykłady „socjologicznego podejścia” do zjawisk ekonomicznych.
Źródło:
Studia Socjologiczne; 2007, 1(184); 51-73
0039-3371
Pojawia się w:
Studia Socjologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Economic dispatch in power system networks including renewable energy resources using various optimization techniques
Autorzy:
Hafiz, Abrar Mohamed
Abdelrahman, M. Ezzat
Temraz, Hesham
Powiązania:
https://bibliotekanauki.pl/articles/1841222.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Economic Dispatch (ED)
Particle Swarm Optimization (PSO)
Sine-Cosine
Algorithm (SCA)
Photovoltaic (PV)
Opis:
Economic dispatch (ED) is an essential part of any power system network. ED is how to schedule the real power outputs from the available generators to get the minimum cost while satisfying all constraints of the network. Moreover, it may be explained as allocating generation among the committed units with the most effective minimum way in accordance with all constraints of the system. There are many traditional methods for solving ED, e.g., Newton-Raphson method Lambda-Iterative technique, Gaussian-Seidel method, etc. All these traditional methods need the generators’ incremental fuel cost curves to be increasing linearly. But practically the input-output characteristics of a generator are highly non-linear. This causes a challenging non-convex optimization problem. Recent techniques like genetic algorithms, artificial intelligence, dynamic programming and particle swarm optimization solve nonconvex optimization problems in a powerful way and obtain a rapid and near global optimum solution. In addition, renewable energy resources as wind and solar are a promising option due to the environmental concerns as the fossil fuels reserves are being consumed and fuel price increases rapidly and emissions are getting higher. Therefore, the world tends to replace the old power stations into renewable ones or hybrid stations. In this paper, it is attempted to enhance the operation of electrical power system networks via economic dispatch. An ED problem is solved using various techniques, e.g., Particle Swarm Optimization (PSO) technique and Sine-Cosine Algorithm (SCA). Afterwards, the results are compared. Moreover, case studies are executed using a photovoltaic-based distributed generator with constant penetration level on the IEEE 14 bus system and results are observed. All the analyses are performed on MATLAB software.
Źródło:
Archives of Electrical Engineering; 2021, 70, 3; 643-655
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative study of GA & DE algorithm for the economic operation of a power system using FACTS devices
Autorzy:
Bhattacharyya, B.
Gupta, V. K.
Kumar, S.
Powiązania:
https://bibliotekanauki.pl/articles/141459.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
FACTS devices
line power flow
FACTS devices & its optimal locations
genetic algorithm
differential evolution technique
Opis:
The problem of improving the voltage profile and reducing power loss in electrical networks must be solved in an optimal manner. This paper deals with comparative study of Genetic Algorithm (GA) and Differential Evolution (DE) based algorithm for the optimal allocation of multiple FACTS (Flexible AC Transmission System) devices in an interconnected power system for the economic operation as well as to enhance loadability of lines. Proper placement of FACTS devices like Static VAr Compensator (SVC), Thyristor Controlled Switched Capacitor (TCSC) and controlling reactive generations of the generators and transformer tap settings simultaneously improves the system performance greatly using the proposed approach. These GA & DE based methods are applied on standard IEEE 30 bus system. The system is reactively loaded starting from base to 200% of base load. FACTS devices are installed in the different locations of the power system and system performance is observed with and without FACTS devices. First, the locations, where the FACTS devices to be placed is determined by calculating active and reactive power flows in the lines. GA and DE based algorithm is then applied to find the amount of magnitudes of the FACTS devices. Finally the comparison between these two techniques for the placement of FACTS devices are presented.
Źródło:
Archives of Electrical Engineering; 2013, 62, 4; 541-552
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aspiracje - interesy - konflikt
ASPIRATIONS - INTERESTS - CONFLICT
Autorzy:
Adamski, Wladyslaw
Powiązania:
https://bibliotekanauki.pl/articles/427555.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ASPIRATIONS
CLASS SYSTEM
CONFLICT; INTERESTS
DEPRIVATION THEORY
ECONOMIC DISTRIBUTION
POLITICAL LEGITIMIZATION
Opis:
In sociological analysis of crisis in Poland during the 1980s the author distinguishes 3 phases of the conflict: the period prior to 1980 (latent development of conflicting interests and aspirations), years 1980-1981 (the outbreak of the conflict and open articulation of interests) and the period that started with the introduction of martial law (an attempt of settling the conflict by eliminating one of its sides). Studying the dynamics of the conflict the author pays attention to the shift from dissatisfaction by the distribution system to the dissatisfaction with the efficiency of the economic system, on the one hand, and to the shift from anger directed at powerful elite to the critique of the methods of coming into power and limitations for authentic political participation, on the other. Conflict has evolved from a conflict of interests of particular groups into the global conflict involving the whole society. Moreover, beside the resistance to the system the crises brought about the grass root program of reforms. Although deprivation theory party explains the dynamics of the Polish conflict, the latter also possesses several unique features (e.g. high non-conformism of the working class; low level of adaptive reactions to conflict). The author suggests considering factors that might influence the unique course of the conflict in Poland and speculates on the potential means of overcoming conflict that could account for these unique features.
Źródło:
Studia Socjologiczne; 2011, 1(200); 321-338
0039-3371
Pojawia się w:
Studia Socjologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Financial Indicators Leading Real Economic Activity - the Case of Poland
Autorzy:
Grabowski, Szymon
Powiązania:
https://bibliotekanauki.pl/articles/483363.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
forecasting
rational expectations
financial system
term spreads
real economic activity
Opis:
In many research studies it is argued that it is possible to extract useful information about future real economic activity from the performance of financial markets. However, this study goes further and shows that it is not only possible to use expectations derived from financial markets to forecast future economic activity, but that data about the financial system can be used for this purpose as well. This paper sheds light on the ability to forecast real economic activity, based on additional and different financial variables than what have been presented so far. The research is conducted for the Polish emerging economy on the basis of monthly data. The results suggest that, based purely on the data from the financial system, it is possible to construct reasonable measures that can, even for an emerging economy, effectively forecast future real economic activity. The outcomes are proved by two different econometric methods, namely, by a time series analysis and by a probit model. All presented models are tested in-sample and out-of-sample.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2009, 1, 4; 311-332
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Smart control of energy storage system in residential photovoltaic systems for economic and technical efficiency
Autorzy:
Kaczorowska, Dominika
Rezmer, Jacek
Janik, Przemysław
Sikorski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2202548.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
economic efficiency
energy storage system ESS
microgrid management
optimal power flow
OPF
particle swarm optimisation PSO
Opis:
In recent years, due to the increasing number of renewable energy sources, which are characterised by the stochastic nature of the generated power, interest in energy storage has increased. Commercial installations use simple deterministic methods with low economic efficiency. Hence, there is a need for intelligent algorithms that combine technical and economic aspects. Methods based on computational intelligence (CI) could be a solution. The paper presents an algorithm for optimising power flow in microgrids by using computational intelligence methods. This approach ensures technical and economic efficiency by combining multiple aspects in a single objective function with minimal numerical complexity. It is scalable to any industrial or residential microgrid system. The method uses load and generation forecasts at any time horizon and resolution and the actual specifications of the energy storage systems, ensuring that technological constraints are maintained. The paper presents selected calculation results for a typical residential microgrid supplied with a photovoltaic system. The results of the proposed algorithm are compared with the outcomes provided by a deterministic management system. The computational intelligence method allows the objective function to be adjusted to find the optimal balance of economic and technical effects. Initially, the authors tested the invented algorithm for technical effects, minimising the power exchanged with the distribution system. The application of the algorithm resulted in financial losses, €12.78 for the deterministic algorithm and €8.68 for the algorithm using computational intelligence. Thus, in the next step, a control favouring economic goals was checked using the CI algorithm. The case where charging the storage system from the grid was disabled resulted in a financial benefit of €10.02, whereas when the storage system was allowed to charge from the grid, €437.69. Despite the financial benefits, the application of the algorithm resulted in up to 1560 discharge cycles. Thus, a new unconventional case was considered in which technical and economic objectives were combined, leading to an optimum benefit of €255.17 with 560 discharge cycles per year. Further research of the algorithm will focus on the development of a fitness function coupled to the power system model.
Źródło:
Archives of Electrical Engineering; 2023, 72, 1; 81--102
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Polski system upadłościowy – instytucja społeczna i jej funkcjonalność
POLISH INSOLVENCY SYSTEM; SOCIAL INSTITUTION AND ITS FUNCTIONALITY
Autorzy:
Pilitowski, Bartosz
Powiązania:
https://bibliotekanauki.pl/articles/428081.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
INSOLVENCY
BANKRUPTCY
INSOLVENCY COURTS
INSTITUTIONS
MANIFEST FUNCTIONS
DYSFUNCTIONS
ECONOMIC SOCIOLOGY OF LAW
Opis:
The article addresses a problem of the extent to which manifest functions are fulfilled by Polish insolvency system. The questions it aims to answer are: What are the official goals of Polish insolvency system? What is the level of realization of these goals? How the indicators of their realization look like in comparison with other European economies? Is Polish insolvency system dysfunctional or eufunctional for Polish economy and society? Following data will be analysed: results of international surveys on insolvency regimes in Poland and all over the world, data issued by public control institutions and partial results of authors own research. Neoinstitutional perspective is engaged to analyse the data and the article accepts the perspective of economic sociology of law. The article aims to bring more attention to a social institution of crucial significance in a free-market economy and to a need of closer sociological insight into its problems.
Źródło:
Studia Socjologiczne; 2013, 1(208); 121-152
0039-3371
Pojawia się w:
Studia Socjologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methods for calculating the efficiency of logistics centres
Metody obliczania efektywności Centrów Logistycznych
Autorzy:
Brdulak, J.
Zakrzewski, B.
Powiązania:
https://bibliotekanauki.pl/articles/223993.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
logistics centres
organizational analysis
economic efficiency
transport system
system transportowy
Centrum Logistyczne
analiza organizacyjna
efektywność ekonomiczna
Opis:
Changes in the organization of the transport system, such as building a logistics centre, bring them uncertainties linked with the risk of investments failure. One of the first steps of creating such a logistics centre is carrying out a thorough economic analysis. Localization and organizational analysis and then the assessment of the functioning of the future centre is possible mainly thanks to the economic effectiveness calculation, which takes into account the expenditure, the operating costs, and benefits of creating a logistics centre in a selected place and gives the answer concerning the reasonableness of organizing such a centre. The article describes various types of the economic effectiveness calculations. As a result of the analysis performed a formula has been suggested, which can be used in the case of estimating the rationality of organizing a sample Logistic Centre consisting of four infrastructural elements. All of the described above simple and complex methods for calculating economic efficiency are the starting point for a discussion on the use of REE calculation for Logistic Centre in Southern Podlasie.
Zmiany w organizacji systemu transportowego, takie jak budowa centrum logistycznego, powodują niepewności związane z ryzykiem niepowodzenia inwestycji. Jednym z pierwszych etapów tworzenia takiego centrum logistycznego jest przeprowadzenie dogłębnej analizy ekonomicznej. Lokalizacja i analiza organizacyjna, a następnie ocena funkcjonowania przyszłego centrum jest możliwa głównie dzięki obliczaniu efektywności ekonomicznej, która uwzględnia wydatki, koszty eksploatacji i korzyści z utworzenia centrum logistycznego w wybranym miejscu i daje odpowiedź dotyczącą zasadności organizowania takiego centrum. W artykule opisano różne rodzaje obliczeń efektywności ekonomicznej. Jako wynik przeprowadzonej analizy sugerowano wzorzec, który może być stosowany w przypadku szacowania racjonalność organizowania próbnego Centrum Logistycznego składającego się z czterech elementów infrastruktury. Wszystkie opisane powyżej proste i złożone metody obliczania efektywności ekonomicznej są punktem wyjścia do dyskusji na temat stosowania obliczeń REE dla Centrum Logistycznego na Południowym Podlasiu.
Źródło:
Archives of Transport; 2013, 27-28, 3-4; 25-43
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of gas in distributed sources in extensive heating systems
Wykorzystanie gazu w źródłach rozproszonych w dużych systemach ciepłowniczych
Autorzy:
Bujalski, W.
Futyma, K.
Powiązania:
https://bibliotekanauki.pl/articles/172920.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
system ciepłowniczy
źródła rozproszone
efektywność ekonomiczna
ciepłownictwo
heating system
distributed sources
economic efficiency
heat engineering
Opis:
The aim of an investigation was to examine the heat sources, which can be used as a supplement for providing the heat for the users at the ends of extensive heating networks. The research was based on the technical and economic analysis that also included ecological effects. The integral element of the research was a comparative analysis of such distributed heat sources and the current heating systems regarding their mutual competitiveness factors or supplementation.
W pracy zaprezentowano rozważania dotyczące ekonomicznej celowości instalacji zastosowania źródeł rozproszonych w ciepłownictwie. Pomysl zastosowania źródeł rozproszonych w ciepłownictwie podobny jest do tego obecnie szeroko dyskutowanego pomysłu źródeł rozproszonych do produkcji energii elektrycznej. Ze względu na obecne warunki ekonomiczne do rozważań wybrano źródła zasilane gazem ziemnym. Zaproponowano pięć sposób zasilania odbiorców na końcach rozległych sieci ciepłowniczych. Dla przedstawionych wariantów wykonano analizy ekonomiczne, których wyniki przedstawiona w pracy.
Źródło:
Archiwum Energetyki; 2012, 42, 1; 69-79
0066-684X
Pojawia się w:
Archiwum Energetyki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Automatyczne mechanizmy dostosowywania wieku uzyskania uprawnień emerytalnych i wysokości świadczenia do przemian umieralności
Retirement age and value of pension in situation of life expectancy rise: Looking for adjustment mechanism
Autorzy:
Szukalski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/473469.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
umieralność
system emerytalny
stabilność ekonomiczna
mortality
pension system
economic sustainability
Opis:
Wydłużanie się trwania życia, obserwowane w ostatnich dekadach i przewidywane w kolejnych, prowadzi do zmiany relacji między okresem aktywności zawodowej i pobierania świadczenia emerytalnego. Jednorazowe zmiany polegające na podwyższeniu wieku uzyskiwania uprawnień emerytalnych nie rozwiązują problemu, lecz prowadzą po pewnym czasie do konieczności wdrażania kolejnych zmian. Celem niniejszego opracowania jest przedstawienie stosowanych rozwiązań, które — w różny sposób i w różnym zakresie — próbują umożliwiać dostosowanie wieku uzyskania uprawnień emerytalnych i wysokości świadczenia emerytalnego do zachodzących zmian umieralności.
Rising life expectancy has been observed during the last decades and this trend is anticipated to continue. It is related to changes in relation between the length of professional activity and duration of being pensioner. One-time changes of the most important parameters of pension system don't solve the problem and result in need for further changes. The aim of the article is to present solutions existing in the sphere of pension adjustments in the European countries, where some automatic mechanisms of pension system adjustment to increaseing life expectancy are developed.
Źródło:
Problemy Polityki Społecznej. Studia i Dyskusje; 2016, 34(3); 53-70
1640-1808
Pojawia się w:
Problemy Polityki Społecznej. Studia i Dyskusje
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ecological and economic aspects of effective use of land resources – potential of Vinnytsia region
Autorzy:
Hubar, Yurii
Hulko, Oleksandra
Khavar, Yulia
Vynarchyk, Liliya
Sai, Vira
Powiązania:
https://bibliotekanauki.pl/articles/1836650.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
grunty
system monitoringu
użytkowanie gruntów
reforma rolna
rodzaje gleb
land
monitoring system
land reform
land use efficiency
type of soil
Opis:
The article considers a comprehensive study of the problem of land relations development in the region. It identifies the main directions for their further development, which include improving the legislative framework, economic and monetary valuation of land, leasing land relations and ensuring the formation of a market for agricultural land and ecologically safe land use. The article aims to determine the interrelated components of the organizational and economic mechanism for managing land resources of agricultural enterprises in the context of ensuring land-use efficiency based on the choice of a land-use optimization model. The theoretical and methodological bases for the development of land relations in the conditions of market economy formation are generalized. The directions for improving the ecological status of agricultural land are justified. The state regulation of land relations is analyzed, and ways to improve land legislation are proposed. The directions of the formation and development of the agricultural land market are justified. The ways to improve the ecological condition of the land, taking into account the regional characteristics of the Vinnytsia region, are proposed. To determine the relationship of rational use and reproduction of resources, considering the problems of choosing the optimal strategy for the impact of the economy on the ecologization of land resources, the system of rational use and reproduction of natural resources is developed. The optimization model describing the conditions for the process of stimulating landowners and land users in the direction of protection and rational land use is established.
Źródło:
Geodesy and Cartography; 2020, 69, 2; 173-187
2080-6736
2300-2581
Pojawia się w:
Geodesy and Cartography
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sizing of prosumer hybrid renewable energy systems in Poland
Autorzy:
Bartecka, M.
Terlikowski, P.
Kłos, M.
Michalski, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/200243.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
hybrid renewable energy system
prosumer
energy efficiency
techno-economic analysis
optimal power source sizing
Opis:
Nowadays the demand for renewable energy sources is constantly growing. There are several reasons of such state, including requirements for energy-efficient new buildings and reduction of greenhouse gas emissions. An exemplary solution that may help to reduce “traditional” primary energy consumption is local energy source utilization. The article presents a simplified feasibility study of hybrid energy system under Polish law and economic conditions for a self-government unit, that is legally obliged to apply means of energy efficiency improvement. The aim of this paper is to provide a simple algorithm to find optimal hybrid PV and wind power source sizing for a prosumer. Resource data used in analyses are imported from Photovoltaic Geographical Information System and cover a period of one year. The paper includes two different methodologies applied to solve the problem of optimal hybrid energy system sizing. The first approach is heuristic and based on monthly energy balancing while the second is iterative and takes into account hourly energy balance. The results from both methods are compared and verified by HomerPro software, that shows significant differences between two algorithms. At the end economic assessment based on Net Present Value method is performed.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 4; 721-731
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Process of market strategy optimization using distributed computing systems
Autorzy:
Nowicki, W.
Bera, A.
Błaszyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/407280.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
economic systems
financial system
moving average models
optimization problems
performance analysis
prediction methods
prediction problems
project management
work organization
Opis:
If market repeatability is assumed, it is possible with some real probability to deduct short term market changes by making some calculations. The algorithm, based on logical and statistically reasonable scheme to make decisions about opening or closing position on a market, is called an automated strategy. Due to market volatility, all parameters are changing from time to time, so there is need to constantly optimize them. This article describes a team organization process when researching market strategies. Individual team members are merged into small groups, according to their responsibilities. The team members perform data processing tasks through a cascade organization, providing solutions to speed up work related to the use of remote computing resources. They also work out how to store results in a suitable way, according to the type of task, and facilitate the publication of a large amount of results.
Źródło:
Management and Production Engineering Review; 2015, 6, 4; 87-93
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Świadomość Polaków dotycząca dodatkowego oszczędzania na starość — próba oceny oraz identyfikacji niezbędnych działań
The awareness of the Poles regarding supplementary old-age savings: an assessment and identification of necessary actions
Autorzy:
Cichowicz, Ewa
Rutecka-Góra, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/473273.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
świadomość emerytalna
dodatkowy system emerytalny
oszczędzanie na emeryturę
wiedza finansowa
edukacja finansowa
pension awareness
supplementary old-age pension
pension saving
economic knowledge
economic education
Opis:
W artykule podjęto zagadnienie gromadzenia przez Polaków dodatkowych środków na okres starości. Głównym celem badawczym jest ocena świadomości polskiego społeczeń-stwa w sferze dobrowolnego oszczędzania na cele emerytalne. Analizy dokonano w opar-ciu o publikacje eksperckie, raporty z badań i komunikaty agencji badawczych. Wykorzy¬stano metodę badania dokumentów, analizy i krytyki piśmiennictwa, analizy i konstrukcji logicznej oraz metodę statystyczną. Rozpoczynając od charakterystyki dostępnych w Polsce form dodatkowych produktów emerytalnych, oceniono następnie poziom świadomości emerytalnej oraz postawy Polaków wobec akumulowania kapitału w długim okresie. Na podstawie wyników można mówić o niskiej świadomości emerytalnej Polaków i istotnej niewiedzy, co do możliwych form zabezpieczenia na okres starości. W ostatniej części wskazano kierunki działań prowadzących do poprawy wiedzy w zakresie dodatkowego oszczędzania
The article focuses on the problem of individual savings ensuring extra means for old age and the assessment of old-age pension awareness among the Poles. The analysis was based on the data from experts' publications, available research reports and the results of opinion polls. The authors employed several methods: literature analysis, logical con- struction and statistical method. First, we characterize supplementary old-age provisions available in Poland. Then we assess the level of pension awareness and the attitude of the Poles towards long-term saving. The results indicate a low level of pension awareness and significant gaps in knowledge about old-age security among the Poles. Finally, we point out necessary actions which should be taken to increase the economic knowledge of the Poles, especially in the area of supplementary old-age saving.
Źródło:
Problemy Polityki Społecznej. Studia i Dyskusje; 2017, 38(3); 89-103
1640-1808
Pojawia się w:
Problemy Polityki Społecznej. Studia i Dyskusje
Dostawca treści:
Biblioteka Nauki
Artykuł

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