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Wyświetlanie 1-14 z 14
Tytuł:
Mathematical model of evaluation of the efficiency of investment into roads
Matematyczny model do wyznaczenia efektywości inwestycji drogowych
Autorzy:
Lingaitis, V.
Powiązania:
https://bibliotekanauki.pl/articles/374693.pdf
Data publikacji:
2008
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
investment
model matematyczny
wydajność
inwestycje
mathematical model
efficiency
Opis:
When implementing projects on motor roads, financial and economic analysis of specific projects are usually provided. This article deals with the mathematical model which enables to analyze the entirety of projects on the motor road network with the view of determining which of them would give benefit to society the fastest and could be given priority in case of implementation. By applying this model and using the LP search (abbreviation from Russian Linear search) multi-criteria optimizing method, it is possible to calculate the project payoff time and an expected profit through the reduction of public costs. Also, an example on realization of the model is provided with calculation of the benefit that society receives if gravel road is paved.
Źródło:
Transport Problems; 2008, 3, 3; 41-51
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cost efficiency of administrative service in public higher education in Poland
Autorzy:
Brzezicki, Łukasz
Łącka, Irena
Powiązania:
https://bibliotekanauki.pl/articles/27313606.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
cost
efficiency
Malmquist
DEA
higher education
koszt
wydajność
szkolnictwo wyższe
Opis:
Purpose: The aim of the study is to determine changes in the cost efficiency of the administration of public higher education in Poland. Design/methodology/approach: The biennial cost Malmquist productivity index was used to study changes in cost efficiency of 58 public higher education institutions in 2014-2016. The results were presented for 6 groups of universities, according to the Ministry of Science and Higher Education in Poland classification. Findings: The research shows that out of 6 groups of institutions accepted for the study, 2 achieved an increase and 1 a decrease in the Malmquist cost index in both study periods. Changes in the Malmquist cost index in the analyzed period are small as the index ranged from 0.98 to 1.06. Both component overall efficiency change and cost-technical change contributed to the change in the Malmquist index level. Research limitations/implications: The main limitation of the study are the analysis of changes in cost efficiency only. Additionally, only public universities supervised by the ministry responsible for higher education were studied. Future research should include changes in allocative efficiency using the Malmquist index. In addition, a larger research sample should be considered, taking into account other public universities, including medical, arts, etc., and non-public universities. Practical implications: The considerations presented are relevant to public university authorities. The article indicates the need to assess cost effectiveness in evaluating the functioning of a higher education institution. This belongs to the responsibilities of management control in terms of effectiveness and efficiency of HEIs and spending of public funds. Information on the variation of cost efficiency between HEIs, assigned to 6 groups, may become a stimulus to conduct an assessment of this economic category in a given unit and strive to improve it. Originality/value: The added value of the article is the use for the first time of the cost Malmquist index to examine higher education. Also, the use of a modified version of the cost Malmquist index to estimate efficiency assuming variable returns-to-scale.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2022, 156; 81--98
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effectiveness of working capital management strategies in manufacturing enterprises
Autorzy:
Kaczmarek, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/323529.pdf
Data publikacji:
2019
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
working capital management
efficiency
strategies
zarządzanie kapitałem obrotowym
wydajność
strategie
Opis:
The paper presents the results of a study aimed at identifying and assessing the efficiency of working capital management strategies in enterprises. The analysis focuses on the volumes of net working capital and its cycle (dependent variable), as well as the conversion cycles of its main components (independent variables). The study comprises the entire population of manufacturing enterprises in Poland covered by public statistics (nearly 14 thousand entities), divided into size categories (small, medium and large). The long-term analysis covers the period of 2007-2018. The study makes use of the measures that characterise working capital management strategies and their effects including net working capital volumes and working capital cycles. The study also employs measures related to correlations, similarity, density, positioning and classifying, as well as descriptive statistics. The effect of the study is the verification of three research hypotheses related to the characteristics, correlations, profile similarities and identification of working capital strategies in manufacturing enterprises.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2019, 136; 191-208
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of alliances, mergers and takeovers on efficiency of air transport
Wpływ aliansów, fuzji i przejęć na efektywność transportu lotniczego
Autorzy:
Hawlena, J.
Powiązania:
https://bibliotekanauki.pl/articles/375174.pdf
Data publikacji:
2012
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
transport lotniczy
wydajność
sojusz
fuzja
przejęcie
air transport
efficiency
alliance
merger
takeover
Opis:
Increasing competition in the air transport market leads to changes in the positioning of companies and to searching for effective means to improve economic efficiency. Effective realization of the transportation process entails considerable expenses, and obtaining financial resources is becoming more and more difficult. In the era of globalization the process of looking for the methods to improve efficiency in the air transport is considerably growing in importance. The article presents the functioning process of strategic alliances, the system of code - share agreements and the significance of the level of the Load Factor coefficient. Possibilities of establishing a new organization by means of a merger or a takeover are also presented.
Narastająca konkurencja na rynku usług transportu lotniczego prowadzi do zmiany pozycjonowania przedsiębiorstw oraz poszukiwania skutecznych sposobów poprawy efektywności ekonomicznej. Skuteczna realizacja procesu transportowego wiąże się z wydatkowaniem znacznych nakładów, a ich pozyskanie staje się coraz trudniejsze. W dobie globalizacji szczególnego znaczenia nabiera proces poszukiwania metod poprawy efektywności w transporcie lotniczym. W artykule zaprezentowano proces funkcjonowania sojuszy strategicznych, system umów code - share, oraz znaczenie poziomu współczynnika Load Factor. Przedstawiono również możliwości utworzenia nowej organizacji w wyniku fuzji lub przejęcia.
Źródło:
Transport Problems; 2012, 7, 2; 15-26
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A concept of resultant corporate innovativeness assessment model
Autorzy:
Nawrocki, Tomasz L.
Powiązania:
https://bibliotekanauki.pl/articles/1879835.pdf
Data publikacji:
2020
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
corporate innovativeness evaluation
innovativeness
financial performance
efficiency
ocena innowacyjności przedsiębiorstw
innowacyjność
wynik finansowy
wydajność
Opis:
Purpose: The main reason for developing the model was to fulfil the gap in the scope of synthetic/aggregate measure of corporate innovativeness in terms of company’s results in this area and their impact on its performance. Design/methodology/approach: In the proposed concept two aspects have been considered: quantitative and qualitative results of company’s innovation activity (i) and impact of this results on financial performance of company and its efficiency (ii). Due to the fact, that access to information on innovative activities results of companies is highly diversified, proposed model provides two versions to use: one, more general, based on public sources of data (Public Data Approach) and one, more detailed, based on data which should be collected through survey research (Survey Data Approach). The basis for corporate resultant innovativeness model creation was an assumption, that the ultimate market success of the company is not determined by how many innovative solutions it implements and introduces to the market and with what force it does it, but how these solutions will be accepted by the market and what economic benefits the company will receive due to them. Findings: Proposed methodology of innovativeness assessment gives a chance to eliminate several key shortcomings of the so far used methods and concepts of corporate innovativeness measurement and assessment. Research limitations/implications: Input data accessibility, development of knowledge (rules) bases needed to perform fuzzy inference. Practical implications: Presented model gives an opportunity to assess and compare enterprises in terms of their resultant innovativeness and then to assess the impact of this innovativeness on their performance. Social implications: Assessments generated by presented model can be basis for managerial decisions inside the assessed enterprise or investment decisions of investors in the capital market. Originality/value: Original approach for aggregate corporate resultant innovativeness assessment that eliminates several weaknesses of methods used so far.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2020, 144; 363-372
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of the influence of hydrogen on the energy performance of a spark ignition engine using gasoline and bioethanol fuel mixtures
Autorzy:
Mejeras, Gabrielius
Rimkus, Alfredas
Matijošius, Jonas
Powiązania:
https://bibliotekanauki.pl/articles/2098159.pdf
Data publikacji:
2021
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
bioethanol
hydrogen
gasoline
fuel
mixture
consumption
efficiency
bioetanol
wodór
benzyna
paliwo
mieszanka
zużycie
wydajność
Opis:
The results of experimental studies of gasoline mixed with 10% bioethanol (E10), bioethanol mixed with 15% gasoline (E85), and hydrogen– oxygen gas (HHO) supplied as an additional fuel are presented in this paper. Research was carried out to determine whether E85 with hydrogen– oxygen gas is feasible for use as a replacement fuel. During the test, a port injection HR16DE spark ignition engine was used. Experiments were carried out at a constant engine speed (n = 2000 rpm), throttle opened at 15°, using a stoichiometric mixture λ = 1.0 and a lean mixture λ = 1.1. After determining brake torque, fuel consumption data, and energy performance, the results of various fuels were determined. It was found that the highest engine brake torque was developed using E85, but at the same time, fuel consumption increased. E85 yielded the best energy efficiency for a lean mixture (λ = 1.1). A small amount of HHO gas (~ 0.95% energy) yielded a small positive effect only on using E10 fuel at λ = 1.1.
Źródło:
Transport Problems; 2021, 16, 3; 41--51
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Possibilities of applying the configurational approach to business model research
Autorzy:
Kwiotkowska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/392609.pdf
Data publikacji:
2019
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
business models
configurational approach
equifinality
efficiency
fsQCA
modele biznesowe
podejście konfiguracyjne
ekwifinalność
wydajność
Opis:
The issue of business models is a current and more and more deeply analysed field of scientific research. However, despite the requirements of a solid and comprehensive research approach, capable of capturing the multidimensionality of business models, there is a continuous dissatisfaction with the conducted empirical research in this area. The aim of the article is to present the possibility of using the configurational approach and fuzzy set qualitative comparative analysis (fs/QCA) to business models research, which enables to conduct comprehensive, integrated analyses. The research was conducted on the basis of a group of 53 enterprises classified in the high-tech sector. The research provided an insight into the key and auxiliary elements of the selected business models, and the methods of their mutual interaction in the context of the configuration of these elements were monitored, at the same time providing insight into the equifinality of the configuration. The results may form the basis for a deeper discussion on the definition of business models and their core components.
Źródło:
Organizacja i Zarządzanie : kwartalnik naukowy; 2019, 2; 75-86
1899-6116
Pojawia się w:
Organizacja i Zarządzanie : kwartalnik naukowy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-criteria problem of the alarm systems cost-functional characteristics optimization
Wielokryterialny problem optymizacji cenowo-funkcjonalnych cech systemów alarmowych
Autorzy:
Bykovyy, P.
Pigovsky, Y.
Sachenko, A.
Powiązania:
https://bibliotekanauki.pl/articles/323360.pdf
Data publikacji:
2012
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
system alarmowy
optymalizacja wielokryterialna
optymalizacja Pareto
koszty
wydajność
alarm system
multiobjective optimization
Pareto optimization
costs
efficiency
Opis:
In present study the problem of an alarm systems optimization was presented and the stages of the multicriteria structured optimization method in cost-functional characteristics of the alarm system were also described. The method represents a combination of the proposed reflection and selection schemes in the genetic algorithm that solves the extreme combinatorics problem.
W proponowanym badaniu przedstawiono problem optymalizacji systemów alarmowych oraz zostały opisane etapy metody wielokryterialnej strukturalnej cenowo-funkcjonalnej optymalizacji systemu alarmowego. Metoda stanowi kombinację refleksji i planu wyboru algorytmu genetycznego, który rozwiązuje problem ekstremalnej kombinatoryki.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2012, 61; 25-42
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Niejednoznaczności coachingowych narracji o efektywności. Implikacje etyczne i antropologiczne
Ambiguity of coaching narrations about efficiency. Ethical and antrhropological implications
Autorzy:
Woszczyk, A.
Powiązania:
https://bibliotekanauki.pl/articles/324587.pdf
Data publikacji:
2017
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
coaching
rozwój
wydajność
efektywność
potencjał ludzki
wartości
redukcjonizm
holizm
development
performance
efficiency
human potential
values
reductionism
holism
Opis:
Prezentowane refleksje zmierzają do objaśnienia istoty coachingu, który nie zawsze jest właściwie rozumiany. Artykuł pokazuje wybrane problemy z opisem procesu coachingowego dokonywanymi w terminach efektywności, wydajności oraz maksymalizacji ludzkiego potencjału. Charakterystyki wartościowe w narracjach marketingowych mogą implikować instrumentalizację klienta. Jako istotowy warunek procesu coachingowego ukazane zostało podejście niedyrektywne oraz samoświadomość.
Presented reflections are intended to clarify the essence of coaching, which is not always properly expounded. The article shows some problems of description coaching in terms of effectiveness, performance and human potential maximizing. Characteristics valuable in marketing point of view may imply reductionism and instrumentalising of coachee. The importance of non-directivity and self-reflexivity has been emphasized as an essential condition in coaching process.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2017, 112; 431-441
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of the challenges facing use of information and communications technology on inventory management amongst breweries in Nigeria
Autorzy:
Odesola, O. T.
Akinola, G. O.
Powiązania:
https://bibliotekanauki.pl/articles/326703.pdf
Data publikacji:
2018
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
inventory
performance
efficiency
ICT challenges
inventory management systems
inwentaryzacja
wydajność
efektywność
wyzwania ICT
systemy zarządzania zapasami
Opis:
Information and communications technology (ICT) in the recent times has become a viable strategic policy option adopted by many businesses in order to compete favourably in a competitive and dynamic ICT driven market. This strategic move by business organizations is being hindered by some challenges which has invariably reduced the benefits accruable from ICT deployment for business operations especially in the inventory management. The paper identified challenges facing the use of ICT for inventory management by firms in the Nigerian Brewery industry. Other objectives of the paper are to x-ray how these challenges had impacted on the inventory management in the Nigerian Brewery industry, the effect of these challenges on customers' satisfaction, relationship between these challenges and inventory costs incurred by firms in the industry, and to suggest appropriate solutions. Primary data formed the methodology of the study. It was established during the field survey that challenges facing the use of ICT had impacted negatively on the performance of inventory management in the Nigerian brewery industry during the period under study. It was also revealed that the cost of software was a major challenge in the industry and that the identified challenges had significant effect on customers' satisfaction of the firms in the Nigerian brewery industry.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2018, 119; 191-207
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Condition for application of logistic principles in practice of urban public passenger transport in the city of Omsk
Autorzy:
Mochalin, S.
Kasper, M.
Nikiforov, O.
Levkin, G.
Powiązania:
https://bibliotekanauki.pl/articles/375456.pdf
Data publikacji:
2017
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
passenger public transport
logistic system
logistic principles
efficiency
quality
pasażerski transport publiczny
system logistyczny
zasady logistyki
wydajność
jakość
Opis:
The task of increasing efficiency and quality of public transport has gotten special acuteness for large cities of Russia in connection with expansion of service by commercial carriers. There have no works done on the city of Omsk, where the transport system has its own characteristics. In this paper, characteristics of Omsk urban public transport are researched. The scheme that clearly demonstrates what factors have a negative impact on the development and functioning of the Omsk passenger transport system is developed. The measures that improve the efficiency of the passenger transportation system and provide an opportunity to advance the implementation of logistics principles are proposed. The activities took into account the experience of reforming the public transport system in other cities, the characteristics of the Omsk city system and a view to engagement of other scientists in this field of science.
Źródło:
Transport Problems; 2017, T. 12, z. spec.; 71-86
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metody zwiększania wydajności w zakładzie produkcyjnym – studium przypadku
Methods of increasing efficiency in the production plant – case study
Autorzy:
Ostapko, B.
Powiązania:
https://bibliotekanauki.pl/articles/324337.pdf
Data publikacji:
2018
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
kluczowe wskaźniki efektywności
KPI
wydajność
zarządzanie produkcją
zarządzanie operacyjne
strategia
key performance indicators
efficiency
production management
operational management
strategy
Opis:
Artykuł przedstawia studium przypadku dla zakładu produkcyjnego w którym w latach 2008-2014 zwiększano poziom wydajności. Dokonano analizy obszarów w których podjęto działania operacyjne i strategiczne mające na celu zwiększenie wolumenów produkcyjnych i wykorzystania maszyn oraz zmniejszenia zużycia paliw i energii.
The article presents a case study for a production plant in which the level of efficiency was increased in 2008-2014. An analysis was made of the areas in which operational and strategic actions were taken to increase production volumes and use of machines as well as to reduce fuel and energy consumption.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2018, 118; 433-444
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technical and organisational conditions in the management of recovery and recycling processes of waste batteries and accumulators
Autorzy:
Wengierek, Maria
Powiązania:
https://bibliotekanauki.pl/articles/2032992.pdf
Data publikacji:
2021
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
hazardous waste
waste recovery
recycling
efficiency
recycling technology
waste battery
accumulator
plants
odpady niebezpieczne
odzyskiwanie odpadów
recykling
wydajność
technologia recyklingu
zużyta bateria
akumulator
zakłady
Opis:
Introduction/background: Waste batteries and accumulators are hazardous waste and should not be sent to landfill sites. Their presence in the waste mixture causes the release of dangerous heavy metals into the natural environment. Aim of the paper: The aim of the study is to review the processes currently used in the recycling of used batteries and accumulators, currently used in the world and in Poland, as well as installations and technologies, depending on the types, kinds and physicochemical properties of waste, and to draw attention to the ventures to prevent waste generation. Materials and methods: The paper discusses the nature of waste, storage and transport conditions, organisation of collection, processes and processing technology. The article presents examples of waste management facilities dealing with recovery and recycling of batteries in Poland and Silesia. The research was based on an analysis of legal acts, statistical data, professional literature and company experiences. The second part is a case study. Selected environmental systems presented on descriptive models are based on the results of an environment (region) system analysis. Results and conclusions: EU directives and national law force the reuse of raw materials used in their production. Therefore, one should strive to apply the most effective technologies of waste recovery and recycling. The most recommended and cost-effective is product salvage followed by material recovery, especially of scarce, rare and precious earth metals. Various processes and technologies (installations) for the recovery of raw materials from waste batteries and accumulators are used around the world. The best known are: Jogmec, Batrec, Recytec, Accurec, Everead, Inmetco, Sab-Nife, Snam-Savam, Citron, Batenus, TNO. Long battery life minimises the amount of waste, and thus reduces the burden on the environment. Therefore, in the process of producing batteries, it is important to improve the technology already at the production stage. An example is the Polish experience (Europower; Tuborg; Tuborg-Silver).
Źródło:
Organizacja i Zarządzanie : kwartalnik naukowy; 2021, 1; 137-157
1899-6116
Pojawia się w:
Organizacja i Zarządzanie : kwartalnik naukowy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of provisions for evaluating the effectiveness of urban public passenger transport system
Autorzy:
Mochalin, Sergey
Kasper, Mariya
Nikiforov, Oleg
Levkin, Grigory
Kurshakova, Natali
Powiązania:
https://bibliotekanauki.pl/articles/374370.pdf
Data publikacji:
2019
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
urban public passenger transport
evaluation of the effectiveness
indicators of effectiveness
efficiency
quality
indexation-rating model
factor analysis
miejski publiczny transport pasażerski
ocena skuteczności
wskaźniki efektywności
wydajność
jakość
model indeksacji
analiza czynników
Opis:
The work presents a methodology that allows us to evaluate the effectiveness of the system in accordance with accepted standards in terms of the three components of the “passenger–carrier–department” system, taking into account the interests of each side. The given comprehensive effectiveness evaluation of the urban public passenger transport system shows that a new scientific idea consists in forming fundamentally new sets of indicators for each participant of the system (passenger–carrier–department of transport) that correspond to the conditions of functioning of the urban passenger transport system in Russian Federation. The article presents a classification model for the formation of a basic system of indicators and a functional scheme for grouping and ranking them. The effectiveness of the urban public passenger transport system can be considered separately for each participant in the system from its side, in two directions: horizontal (by year, for example, for an enterprise) and vertical (in the current period for all participants).
Źródło:
Transport Problems; 2019, 14, 1; 45-58
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-14 z 14

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