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Tytuł:
Demand for private health insurance: an empirical study of post-communist countries
Autorzy:
Śliwiński, Adam
Borkowska, Iwona
Powiązania:
https://bibliotekanauki.pl/articles/33735048.pdf
Data publikacji:
2024-07-02
Wydawca:
Szkoła Główna Handlowa w Warszawie. Kolegium Zarządzania i Finansów
Tematy:
health insurance
demand analysis
Opis:
The development of voluntary health insurance is characteristic of post-Communist and CEE countries. The aim of the paper is to identify the factors determining the demand for private voluntary health insurance. The main finding of the research is that the most important factor is the demographic factor. Other factors include the factor related to the ineffectiveness of treatment under universal health insurance, the factor related to health condition, the demographic factor related to longevity, and the factor related to insurance awareness and income. The research confirms conclusions from previously published studies. The most important is to confirm that the income factor positively influences the studied phenomenon. However, the results shed new light on the aspect of the demand factor, as this indicates the ageing of society and the consequent increase in private spending on health, which are the key mechanisms in the discussion, with the other factors constituting a complementary element.
Źródło:
Journal of Management and Financial Sciences; 2023, 50; 109-129
1899-8968
Pojawia się w:
Journal of Management and Financial Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An analysis of the demand for fresh fruit in Scotland
Analiza popytu na świeże owoce w Szkocji
Autorzy:
Revoredo-Giha, C.
Florkowski, W.J.
Powiązania:
https://bibliotekanauki.pl/articles/867041.pdf
Data publikacji:
2013
Wydawca:
The Polish Association of Agricultural and Agribusiness Economists
Tematy:
demand analysis
fresh fruit
fruit
Scotland
price change
household
United Kingdom
market
demand system
Opis:
The purpose of this study is to analyse the demand for fresh fruits in Scotland in order to provide evidence about their sensitivity to changes in prices and income. Six fresh fruit categories were studied using time series for the period 2006 to 2011: citrus, apples and pears, bananas, grapes, soft fruit, a residual category and other fruits. The series were constructed from a consumer panel that reports weekly purchases by approximately 1300 households and which allowed to construct thirteen periods of four weeks each year. The demand for fruits was modelled using a dynamic version of the Almost Ideal Demand System. Short term and long term conditional elasticities (Marshallian, Hicksian and expenditure) were estimated. The results from the long term elasticities indicated the demand for all the categories were sensitive to changes in prices. Grapes and soft fruits were the most price elastic fruits. In addition, whilst all the expenditure elasticities were positive, the elasticity of citrus was greater than one, apple and pears, bananas and grapes were approximately one and soft fruit and other fresh fruits were less than one.
Badano popyt na świeże owoce w Szkocji w celu określenia zachowań konsumentów względem zmian cen owoców oraz dochodów. Przeanalizowano ceny sześciu grup świeżych owoców w latach 2006-2011: cytrusów, jabłek i gruszek, bananów, winogron, owoców miękkich oraz pozostalycyh. Bazowano na danych dotyczących tygodniowych wydatków około 1300 gospodarstw domowych, dzięki czemu możliwe było stworzenie trzynastu czterotygodniowych przedziałów czasowych dla każdego roku. Popyt na owoce obliczany byl za pomocą dynamicznej wersji Almost Ideał Demand System. Oszacowano krótką i długoterminową elastyczność zależną (Marshallian, Hicksian i wydatki). Wyniki długoterminowej elastyczności wykazały, że popyt zależał od zmian cenowych we wszystkich kategoriach owoców. Winogrona oraz owoce miękkie miały najbardziej elastyczne ceny. Oszacowana elastyczność wydatków była dodatnia i dla cytrusów była większa niż jeden, dla jabłek i gruszek, bananów i winogron wynosiła około jeden, a dla owoców miękkich i pozostałych świeżych owoców była mniejsza niż jeden.
Źródło:
Roczniki Naukowe Stowarzyszenia Ekonomistów Rolnictwa i Agrobiznesu; 2013, 15, 3
1508-3535
2450-7296
Pojawia się w:
Roczniki Naukowe Stowarzyszenia Ekonomistów Rolnictwa i Agrobiznesu
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Information demand of foreign labor market from the point of view of Chinese students
Autorzy:
Pilarczyk, Anna
Naprawski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/692575.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Ekonomiczny w Poznaniu
Tematy:
information-logistics engine
information demand analysis
information demand model
foreign labour market
demand-oriented management of information
Opis:
Today people are faced with a huge amount of information. Demand-oriented management of information can resolve this issue. Therefore, the measures that filter this information are the desired solution.  One of these measures is information demand analysis, which can be easily used for defining problems on the labour market, where the term of talent import is becoming increasingly important. The main contribution of this study is the analysis of the challenges facing the foreign labour market from the point of view of an employee and an employer and a proposal of an information demand model for strengthening the foreign labour market information system. The information demand model is one of the stages of the development of an information-logistics engine, which ensures that the right information is available in the right location, time and quality.
Źródło:
Research Papers in Economics and Finance; 2020, 4, 1; 31-35
2543-6430
Pojawia się w:
Research Papers in Economics and Finance
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Projekt otsourcingu usług transportowych w przedsiębiorstwie produkcyjnym
Outline of outsourcing of transport services in the production company
Autorzy:
Świderski, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1385373.pdf
Data publikacji:
2019
Wydawca:
Polskie Wydawnictwo Ekonomiczne
Tematy:
outsourcing
sezonowość
analiza popytu
usługi transportowe
transport services
seasonality of transport
demand analysis
Opis:
Koncepcja outsourcingu to jedna z popularniejszych form doskonalenia zarządzania, która jest wykorzystywana w różnych obszarach funkcjonowania przedsiębiorstwa, szczególnie w logistyce. Poziom i zakres kontraktowanych usług zależy od wielu czynników. Najogólniej decyduje o tym branża i rodzaj prowadzonej działalności. W Polsce najczęstszym obszarem logistyki wydzielanym na zewnątrz jest transport i magazynowanie. Pomimo, iż działania takie obarczone są pewnym poziomem ryzyka, to jednak przynoszą wiele korzyści, dlatego firmy chętnie korzystają z takiej formy, a outsourcing usług logistycznych staje się wyraźnym trendem w nowoczesnym zarządzaniu przedsiębiorstwem. W niniejszym artykule, na przykładzie przedsiębiorstwa produkcyjnego realizującego przewozy w oparciu o posiadany tabor samochodowy, dokonano analizy możliwości skorzystania z zewnętrznego podwykonawcy. Przedstawiono kilka potencjalnych rozwiązań i omówiono wynikające z nich korzyści finansowe. Dynamiczna sytuacja na rynku i liczna konkurencja skłaniają przedsiębiorstwa do ciągłego poszukiwania możliwości obniżenia kosztów i podnoszenia swojej wartości. Badanie pokazuje, że skutecznym narzędziem jest także outsourcing usług logistycznych.
The outsourcing concept is one of the most popular forms of management improvement, which is used in various areas of the company’s operation, especially in logistics. The level and scope of contracted services depends on many factors. Generally, this is determined by the industry and type of business. In Poland, the most common area of logistics outsourced is transport and warehousing. Despite the fact that such activities are subjected to certain level of risk, they bring many benefits, and therefore companies willingly use this form, which is why outsourcing of logistics services becomes a clear trend in modern company management. In this article, on the example of the production company, which carries out its own transport on the basis of its own fleet, an analysis of the possibility of using an external subcontractor has been conducted. Several potential solutions were presented and their financial benefits were discussed. The dynamic situation on the market and numerous competitors encourage companies to constantly look for opportunities to reduce costs and increase their value. The study shows that outsourcing of logistics services is also an effective tool.
Źródło:
Gospodarka Materiałowa i Logistyka; 2019, 2; 2-8
1231-2037
Pojawia się w:
Gospodarka Materiałowa i Logistyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The demand analysis of oceanic T-S-V 3D reconstruction on wide-swath SSH data features based on ROMS and 4DVAR
Autorzy:
Zhou, C.
Zhang, J.
Yang, J.
Cao, L.
Powiązania:
https://bibliotekanauki.pl/articles/2079186.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
sea surface
anomaly
wide-swath altimeter
3D reconstruction
accuracy
Regional Ocean Modelling System
demand analysis
Opis:
Future wide-swath altimetry missions will provide high-resolution information about ocean surface elevation, and facilitate the characterization of meso- and sub-mesoscale ocean activities. In this study, the demand analysis of three-dimensional (3D) oceanic state reconstruction on wide-swath SSH data features was evaluated using a data assimilation strategy. Three groups of experiments were performed to determine if the wide-swath altimetry observations would improve the three-dimensional (3D) field estimates of ocean temperature-salinity-velocity (T-S-V), and to evaluate how the spatial and temporal resolution and accuracy of the wide-swath altimetry observations affected the ocean state estimation. The Regional Ocean Modeling System and the four-dimensional variational data assimilation method were used in the experiments, with numerical simulation for the Taiwan region at a resolution of 1/10° as the example. The sensitivity of the 3D ocean state construction to the wide-swath altimetry measurements was also investigated. The results showed that the wide-swath sea surface height (SSH) measurements would have an overall positive impact on the 3D T-S-V field and that the positive effect would increase as the resolution and accuracy of the observations increased, but the net benefits would gradually decrease. Among the three examined features of the wide-swath altimetry observations, the temporal resolution had the most influence on the 3D ocean state analysis.
Źródło:
Oceanologia; 2020, 62, 3; 309-325
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploring on-demand service use in large urban areas: the case of Rome
Autorzy:
Nuzzolo, Agostino
Comi, Antonio
Polimeni, Antonio
Powiązania:
https://bibliotekanauki.pl/articles/223789.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
transport services
demand analysis
dial a taxi
exploitation costs
public transport
usługi transportowe
analiza popytu
wybór taksówki
koszty eksploatacji
transport publiczny
Opis:
Traditional and innovative on-demand transport services, such as taxi, car sharing or dial-a-ride respectively, can provide a level of flexibility to the public transport with the aim to guarantee a better service and to reduce the exploitation costs. In this context, in order to point out the key-factors of on-demand services, this study focuses on traditional on-demand service (such as taxi one), and presents the results of a demand analysis and modelling, obtained processing taxi floating car data (FCD) available for the city of Rome. The GPS position of each taxi is logged every few seconds and it was possible to build a monthly database of historical GPS traces through around 27 thousands of GPS positions recorded per day (more than 750 thousands for the entire month). Further, the patterns of within-day and day-to-day service demand are investigated, considering the origin, the destination and other characteristics of the trips (e.g. travel time). The time-based requests for taxi service were obtained and used to analyse the trip distribution in space and on time. These analyses allow us to forecast trips generated/attracted by each zone within the cities according to land use characteristics and time slices. Therefore, a regression tree analysis was developed and different regressive model specifications with different set of attributes (e.g. number of subway stations, number of zonal employees, population) were tested in order to assess their contribution on describing such a service use.
Źródło:
Archives of Transport; 2019, 50, 2; 77-90
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ilościowo-jakościowa ocena popytu na rynku hotelowym: propozycja nowego wskaźnika
Quantitative and qualitative assessment of demand on the hotel market: proposal of a new indicator
Autorzy:
Dziedzic, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/529687.pdf
Data publikacji:
2013
Wydawca:
Szkoła Główna Turystyki i Rekreacji
Tematy:
popyt hotelowy
wskaźnik popytu hotelowego
wskaźnik popytu w układzie regionalnym
analiza benchmarkowa popytu
hotel demand
indicator of hotel demand
indicator of demand in regional composition
benchmark analysis of demand
Opis:
W artykule zaprezentowano propozycję nowego wskaźnika oceny popytu na rynku hotelowym. Nowy wskaźnik ma charakter syntetyczny i oprócz elementu ilościowego (liczba udzielonych noclegów lub liczba korzystających) uwzględnia także strukturę jakościową sprzedawanej bazy hotelowej oraz stopień jej wykorzystania (aspekt efektywności). Przedstawiono dane wyjściowe charakteryzujące polski rynek usług noclegowych, przesłanki dla budowy kilkuelementowego, syntetycznego wskaźnika popytu oraz jego założenia metodologiczne. Na tej podstawie dokonano obliczeń wartości wskaźnika opierając się na danych empirycznych zbieranych przez Główny Urząd Statystyczny w latach 2000-2011. Dane opracowano w dwóch grupach: dla całej Polski oraz dla poszczególnych województw. W obu przypadkach pokazano dynamikę zmian na polskim rynku hotelowym. Posłużyło to w ostatniej części artykułu zastosowaniu wskaźnika popytu hotelowego do regionalnej analizy benchmarkowej.
The article proposes a new indicator for the estimation of demand on the hotel market. This new indicator is synthetic in character and, in addition to the quantitative aspect (the number of overnight stays or number of hotel guests), it takes into account the qualitative structure of the offer of hotel beds and their occupancy rate (the effectiveness aspect). The author presents output data characterizing the tourist accommodation market in Poland, prerequisites for building a multifactor synthetic indicator of demand, and the methodological premises thereof. On these grounds indicator values are calculated from empirical data collected by the Central Statistical Office of Poland in 2000-2011. The indicator values are then compiled on two levels: national and regional (according to voivodships). In these two planes the dynamics of changes on the Polish hotel market are shown. In the last part of the article, the hotel demand indicator is used as a tool in regional benchmark analysis.
Źródło:
Problemy Turystyki i Rekreacji; 2013, 1; 5-26
2084-5154
Pojawia się w:
Problemy Turystyki i Rekreacji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
SWOT Analysis of Urban Development on Kolonnawa Urban Council, Sri Lanka
Autorzy:
Nishanthi, K.
Dissanayaka, D. M. N. P.
Powiązania:
https://bibliotekanauki.pl/articles/1840791.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Urban development
SWOT analysis
GIS
Land demand
MSL
Opis:
Changes in land use and land cover are a result of urban growth. Human activity has a vital role in city development since it helps to increase people's living standards, property values, accessibility, and safety. This study looked into the importance of legal procedures in accordance with the country's long-term development goals. It was also used to reveal the area's strengths, weaknesses, opportunities, and risks to the environment and people due to urban development. The study gathered data from both primary and secondary sources. The SWOT analysis was used to highlight the implications of urban growth in the research area. Maps analysis has been done using Geographic Information Systems (GIS). The statistical data on unauthorized filling was analyzed using Microsoft Excel. The findings show that, rather than being a source of strength and opportunity, urban expansion is also a source of weakness and risks. Threats to natural resources and humans, in particular, are disproportionately significant. Due to land demand, 62% of the land has been developed, jeopardizing the available marsh and paddy area. The growth of Kolonnawa urban council, which is located below mean sea level (MSL), causes flooding in the area every year. Based on a 50 year flood inundation, the grama niladari divisions of Wadulla, Orugodawatta, Meethotamulla, Gajabapura, Wijayapura, and Salamulla have been declared as high impacted locations.
Źródło:
World News of Natural Sciences; 2021, 39; 46-60
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The application of principal component analysis (pca) for the study of the spanish tourist demand
Autorzy:
González, María Jesús González
Pascual, María-Eva Vallejo
Powiązania:
https://bibliotekanauki.pl/articles/1051397.pdf
Data publikacji:
2018-12-30
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Spain
autonomous communities
tourist demand
principal component analysis
Opis:
The objective of this study is the characterisation of the Spanish autonomous communities as tourist destinations for Spanish trips, based on the activities carried out, using the principal component method. The Spanish tourist is not only motivated by the sun and beach. This paper aims to clarify how Spanish people consider other tourist destinations. We contrast how frequently other types of tourism are valued when choosing their destination within the Spanish geography. Inland tourism, sports tourism, entertainment as well as gastronomy are becoming increasingly important.
Źródło:
Quaestiones Geographicae; 2018, 37, 4; 43-52
0137-477X
2081-6383
Pojawia się w:
Quaestiones Geographicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Case study about economic order quantities and comparison of results from conventional EOQ model and response surface-based approach
Autorzy:
Yıldız, R.
Yaman, R.
Powiązania:
https://bibliotekanauki.pl/articles/406756.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
economic order quantity
Pareto analysis
response surface
demand forecasting
Opis:
This study involves the implementation of an economic order quantity (EOQ) model which is an inventory control method in a ceramic factory. Two different methods were applied for the calculation of EOQs. The first method is to determine EOQ values using a response surface method-based approach (RSM). The second method uses conventional EOQ calculations. To produce a ceramic product, 281 different and additive materials may be used. First, Pareto (ABC) analysis was performed to determine which of the materials have higher priority. Because of this analysis, the value of 21 items among 281 different materials and additives were compared to the ratio of the total product. The ratio was found to be 70.4% so calculations were made for 21 items. Usage value for every single item for the years 2011, 2012, 2013 and 2014, respectively, were obtained from the company records. Eight different demand forecasting methods were applied to find the amount of the demand in EOQ. As a result of forecasting, the EOQ of the items were calculated by establishing a model. Also, EOQ and RSM calculations for the items were made and both calculation results were compared to each other. Considering the obtained results, it is understood that RSM can be used in EOQ calculations rather than the conventional EOQ model. Also, there are big differences between the EOQ values which were implemented by the company and the values calculated. Because of this work, the RSM-based EOQ approach can be used to decide on the EOQ calculations as a way of improving the system performance.
Źródło:
Management and Production Engineering Review; 2018, 9, 3; 23-32
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Problems of Broadband in Rural Areas in Light of the BReATH Project Experiences
Autorzy:
Białoń, P.
Powiązania:
https://bibliotekanauki.pl/articles/307962.pdf
Data publikacji:
2008
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
broadband initiatives
demand
rural area
techno-economic analysis
WiMAX
Opis:
Some lessons learned from the EU project "Broadband e-Services and Access to the Home" (2005-2007) are presented concerning the broadband development in rural ar- eas. In particular, the paper discusses the common problems of broadband deployment in the rural environment, various aspects of stimulating demand for broadband, the limitations of public aid and, most importantly, the problems of technoeconomic analysis.
Źródło:
Journal of Telecommunications and Information Technology; 2008, 4; 97-103
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adaptive inventory control system for material items with continuous non-stationary demand
Autorzy:
Krajčovič, M.
Plinta, D.
Powiązania:
https://bibliotekanauki.pl/articles/406736.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
inventory control
algorithm
non-stationary demand
joint replenishment
inventory analysis
Opis:
This paper describes an algorithm of dynamic inventory control system for large numbers of material items with continuous non-stationary demand. It uses principles of pull inventory control systems, statistical inventory analysis and joint replenishment inventory systems. This algorithm was processed in software module (VBA for Excel) and applied in practice. The target of described algorithm is to keep an optimum inventory level and optimum customer service level in terms of inventory control of items with non-stationary demand.
Źródło:
Management and Production Engineering Review; 2014, 5, 1; 11-20
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Demand forecasting for spare parts
Prognozowanie zapotrzebowania na części zamienne
Autorzy:
Latos, P.
Dubalski, B.
Marciniak, T.
Marciniak, B.
Powiązania:
https://bibliotekanauki.pl/articles/389838.pdf
Data publikacji:
2010
Wydawca:
Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
Tematy:
demand forecast
quantitative analysis
terms of share analysis
prognozowanie zapotrzebowania
metoda ilościowa
metoda udziałowa
Opis:
The subject of the article is an analysis of possibilities of predicting the demand for subsystems for equipment for companies which deal with servicing electronic devices. The analysis has been based on real data from one of service points. The influence of various factors that determine the need for specific replacement parts was presented. Two basic methods of prediction (quantitative and shares) were compared. Modifications of the equity method was proposed, it took into consideration a few of additional factor, such as the number of parts in store or the number of overdue repairs.
W artykule zaprezentowana analizę porównawczą różnych metod prognozowania zapotrzebowania na części zamienne w punktach serwisowych. Przedstawiona analiza została praktycznie zweryfikowana w oparciu o rzeczywiste dane pochodzące z jednego z punktów serwisowych. W pracy przedstawiono wpływ różnego typu czynników od których zależy zapotrzebowanie na określone części zamienne. Porównano dwie podstawowe metody predykcji: ilościową i udziałową. Zaproponowano modyfikacje w metodzie udziałowej uwzględniające dodatkowe czynniki jak np. ilości poszczególnych części znajdujące się w magazynach czy konieczność dokonania zaległych napraw.
Źródło:
Zeszyty Naukowe. Telekomunikacja i Elektronika / Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy; 2010, 13; 103-114
1899-0088
Pojawia się w:
Zeszyty Naukowe. Telekomunikacja i Elektronika / Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Feedback to the ECB’s Monetary Analysis: The Bank of Russia’s Experience with Some Key Tools
Autorzy:
Ponomarenko, Alexey
Vasilieva, Elena
Schobert, Franziska
Powiązania:
https://bibliotekanauki.pl/articles/565648.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Tematy:
Money demand
transition countries
cointegration analysis
inflation
real economic activity
Opis:
The paper investigates to what extent some basic tools of the ECBs monetary analysis can be useful for other central banks given their specific institutional, economic and financial environment. We take the case of the Bank of Russia in order to show how to adjust methods and techniques of monetary analysis for an economy that differs from the euro area as regards, for instance, the role of the exchange rate, the impact of dollarization and the functioning of sovereign wealth funds. A special focus of the analysis is the estimation of money demand functions for different monetary aggregates. The results suggest that there are stable relationships with respect to income and wealth and to a lesser extent to uncertainty variables and opportunity costs. Furthermore, the analysis also delivers preliminary results of the information content of money for inflation and for real economic development.
Źródło:
Journal of Banking and Financial Economics; 2014, 2(2); 116-150
2353-6845
Pojawia się w:
Journal of Banking and Financial Economics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of evaluation algorithm for port logistics park based on PCA-SVM model
Autorzy:
Hu, B.
Powiązania:
https://bibliotekanauki.pl/articles/260528.pdf
Data publikacji:
2018
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
port logistics demand
support vector machine
principal component analysis
economic hinterland
Opis:
To predict the logistics needs of the port, an evaluation algorithm for the port logistics park based on the PCASVM model was proposed. First, a quantitative indicator set for port logistics demand analysis was established. Then, based on the grey correlation analysis method, the specific indicator set of port logistics demand analysis was selected. The advantages of both principal component analysis and support vector machine algorithms were combined. The PCA-SVM model was constructed as a predictive model of the port logistics demand scale. The empirical analysis was conducted. Finally, from the perspective of the structure, demand, flow pattern and scale of port logistics demand, the future logistics demand of Shenzhen port was analysed. Through sensitivity analysis, the main influencing factors were found out, and the future development proposals of Shenzhen port were put forward. The results showed that the port throughput of Shenzhen City in 2016 was 21,328,200 tons. Compared with the previous year, it decreased by about 1.74 %. In summary, the PCA-SVM model accurately predicts the logistics needs of the port.
Źródło:
Polish Maritime Research; 2018, S 3; 29-35
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 26

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