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Wyświetlanie 1-15 z 41
Tytuł:
Regional variation in the effect of schooling on peoples incomes in Poland
Autorzy:
Domański, Henryk
Pokropek, Artur
Powiązania:
https://bibliotekanauki.pl/articles/1036026.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
Incomes
returns from education
PISA
regional variation
meritocracy
Opis:
The analysis, based on a Polish national sample from 2006, aims to cast light on the regional variation in the effect of education on incomes. Building on the conceptual framework developed in the theory of human capital we investigate to what extent pay-offs for human capital differ across detailed administrative districts in Poland. By incorporating contextual characteristics, we examine how micro- and macro-level factors shape labour market outcomes. Our findings provide further support for the hypothesis that there is much regional variation in the influence of education on incomes, which suggests that there are better and worse places for the development of a meritocratic distribution of incomes. It appears that education pays more highly in more economically-developed regions, marked by a higher rate of occupational activity.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2015, 19, 1; 12-18
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of HM-network with priority messages and depending on time incomes from transitions between its states
Autorzy:
Kiturko, O.
Matalytski, M.
Powiązania:
https://bibliotekanauki.pl/articles/122831.pdf
Data publikacji:
2013
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
HM-network
incomes
priority messages
Opis:
In the article the technique of finding the expected income in multipleline queueing systems closed exponential by HM-network with priority messages in a case when the income from transitions between its states is random variables with known average values is described. The intensity of the service of messages in systems linearly depends on their number. The approached expressions for the expected income, depending on the average numbers of messages in systems are received. For them the system of the linear differential equations with broken right parts is made. The example is calculated.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2013, 12, 4; 67-76
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of networks with positive and negative messages, many-lines queueing systems and incomes
Autorzy:
Naumenko, V.
Matalytski, M.
Powiązania:
https://bibliotekanauki.pl/articles/122391.pdf
Data publikacji:
2015
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
G-network
negative messages
many-lines systems
expected incomes
information systems and networks
Opis:
The analysis of an open Markov Queueing Network with positive and negative messages, many-lines queueing systems and incomes has been carried out. External arrivals to the network, service times of rates and probabilities of messages transition between queueing systems (QS) depend on time. A method for finding the expected incomes of the network systems, the expressions for the average number of messages at the systems has been proposed.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2015, 14, 1; 79-90
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CLASSIFICATION OF POLISH HOUSEHOLDS BASED ON THEIR INCOMES BY MEANS OF DECISION TREES
Autorzy:
Karpio, Andrzej
Koszela, Grzegorz
Orłowski, Arkadiusz
Łukasiewicz, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/452905.pdf
Data publikacji:
2014
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
income distribution
high incomes
classification trees
entropy
SQL Server
Opis:
Classification trees included in SQL Server 2008R2 Analysis Services package have been used to classify Polish households based on their incomes. The analysis has been performed by means of the three algorithms and their effectiveness has been measured. Using the best algorithm a groups of households with the lowest and the largest incomes have been distinguished. The most important attributes describing households with the lowest and the largest incomes were identified and discussed.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2014, 15, 2; 403-413
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The analysis of the three-level HM-network and its application for the incomes forecasting of a logistic transport system
Autorzy:
Matalytski, M.
Kiturko, O.
Powiązania:
https://bibliotekanauki.pl/articles/122572.pdf
Data publikacji:
2014
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
HM-network
logistic transport system
expected incomes
variance of the income
HM-sieci
dochody oczekiwane
zmienność kosztów
Opis:
Investigation of the closed three-level HM-network, which is the model of the production transportation in a logistic transport system, is conducted in this article. The approximated expression for the expected income of the central system and the system of the nonhomogeneous differential equations for an average number of messages in network systems, when the incomes from transitions between network’s states are random variables with the set moments of the first two orders, is received. The relation for variance of the income of the central system of network (system of the top level) is also received.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2014, 13, 3; 141-153
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
About one method of finding expected incomes in HM-queueing network with positive customers and signals
Autorzy:
Matalytski, M.
Powiązania:
https://bibliotekanauki.pl/articles/122974.pdf
Data publikacji:
2016
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
HM-queueing network
positive and negative customers
signals
expected incomes
ransient regime
kolejkownie sieci
systemy kolejkowe
pozytywny klient
negatywny klient
teoria kolejek
Opis:
In the paper an open Markov HM(Howard-Matalytski)-Queueing Network (QN) with incomes, positive customers and signals (G(Gelenbe)-QN with signals) is investigated. The case is researched, when incomes from the transitions between the states of the network are random variables (RV) with given mean values. In the main part of the paper a description is given of G-network with signals and incomes, all kinds of transition probabilities and incomes from the transitions between the states of the network. The method of finding expected incomes of the researched network was proposed, which is based on using of found approximate and exact expressions for the mean values of random incomes. The variances of incomes of queueing systems (QS) was also found. A calculation example, which illustrates the differences of expected incomes of HM-networks with negative customers and QN without them and also with signals, has been given. The practical significance of these results consist of that they can be used at forecasting incomes in computer systems and networks (CSN) taking into account virus penetration into it and also at load control in such networks.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2016, 15, 1; 87-98
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Models of Personal Incomes in USA
Autorzy:
Łukasiewicz, P.
Karpio, K.
Orłowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1409048.pdf
Data publikacji:
2012-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
89.65.-s
89.65.Cd
Opis:
The shapes of distributions of personal incomes in USA have been investigated based on the data for 1993 to 2008. Comparisons between four models utilizing various number of parameters have been performed. The studies showed that the empirical data is described the best by the three-parameter Dagum model. Values of the models parameters indicate that the distribution of personal incomes can be regarded as zero-modal one. However, one-parameter exponential model shows a good agreement with data and can be treated as a good approximation of empirical distribution with the exception of the region with very high incomes. The high-income region is characterized by the relatively great number of events and is described much better by the Dagum distribution.
Źródło:
Acta Physica Polonica A; 2012, 121, 2B; B-82-B-85
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Some applications of rank clocks method
Autorzy:
Karpio, Krzysztof
Orłowski, Arkadiusz
Łukasiewicz, Piotr
Różański, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/453589.pdf
Data publikacji:
2011
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
companies’ incomes
rank clocks
rank shifts
Opis:
A method first used to search for events leading to the changes of sizes of major US, UK, and world cities is applied to investigate the presence of events influencing incomes of commercial companies. Top 100 US companies from the period of 1955-2005 are analyzed. Distributions of incomes are found to be stable but the changes in rank positions of companies lead to discovery of some instabilities. Parameters describing changes in the rank positions are calculated, discussed, and compared to the results of previous studies.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2011, 12, 1; 97-104
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
GLOBALISATION AND WORLD ECONOMIC POVERTY: THE SIGNIFICANCE OF HIDDEN DIMENSIONS
Autorzy:
Adamkiewicz-Drwiłło, Hanna G.
Powiązania:
https://bibliotekanauki.pl/articles/972849.pdf
Data publikacji:
2013
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
globalisation
poverty
world distribution of incomes
Opis:
The aim of our research is to examine how individual dimensions of globalization affect economic poverty in the World. For this, regression models are estimated with FGT0 or FGT1 poverty measures as dependent variables and KOF indices of globalization as dependent variables. The poverty indices are estimated for 119 countries’ income distributions assuming log-normality and using Gini estimates from the WID2 database and GDP/capita from The World Bank database for the years 1990-2005. It has turned out that the “partial” impact of selected dimension of globalization on poverty is either linear or nonlinear, ceteris paribus. The nonlinear impact is of the U-shaped form or the inverted U-shaped form. Our results contradict some typical ‘linear’ findings when poverty measures are regressed only on one dimension of globalization. In other words, when some crucial dimensions of globalization are neglected in regression analysis the conclusions about impact of globalization on world poverty could be misleading.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2013, 14, 1; 7-14
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Agricultural land on built-up housing lots and the incomes of communes: an example of Rokietnica commune in the Poznań agglomeration
Autorzy:
Maćkiewicz, Barbara
Karalus-Wiatr, Cecylia
Powiązania:
https://bibliotekanauki.pl/articles/1052516.pdf
Data publikacji:
2017-06-15
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
exclusion of land from agricultural production
farmland conversion
incomes of communes
real-estate tax
agricultural tax
urban sprawl
decrease of agricultural land
Opis:
The strong connection between urbanisation processes and the transformation of farmland into built-up areas – mostly residential – has already been tackled in the literature. Still, in Poland this process of farmland loss, generally thought to be irreversible, occurs in a specific, often irrational and not fully registered way. What is more, this development is favoured by legislation, especially rules controlling the exclusion of land from agricultural production and real-estate taxation. Among the many detrimental consequences of those regulations are incomes of communes lower than they should be. The problem tackled in the article is that of the exclusion from agricultural use of only fragments of geodetic lots on which building investments are going on. The cost of the exclusion and the difference in the rates of the agricultural tax and the real-estate tax very often result in the exclusion of only a part of a lot, while the rest of it is formally still in agricultural use, even though its owner does not conduct any agricultural activity there. In this case two taxes have to be paid from one lot: the real-estate tax, on the land taken out of agricultural use and the building erected on it, and another, the agricultural tax, on land that is still a piece of farmland. This situation, especially in areas undergoing rapid urban sprawl, is common in Poland and has unfavourable consequences for the incomes of communes. It also leads to a discrepancy between data from the real-estate cadastre and the actual area of land in agricultural use, which greatly hampers an exact measurement and control of the real losses of land performing the agricultural function, including that with high-quality soils. The conducted research demonstrated that in 2014 nearly 7% (927) of all geodetic lots in Rokietnica commune, situated in the immediate neighbourhood of Poznań, were builtup housing lots, mostly carrying detached single-family houses, with fragments of farmland. Almost a half (49.4%) of the total area of those lots, 42 ha, was still agricultural land in the real-estate cadastre and subject to taxation not by the real-estate tax, but the much lower agricultural tax. Because of this difference in the two taxes, the annual receipts of the commune budget are 186,601 zlotys (43,395 euro) lower. It also turned out that more than 50% of farmland on those lots (21.8 ha) was arable land of the good land-capability class III, which is high for the conditions in the Poznań agglomeration. This not only corroborates the findings of earlier studies highlighting significant losses of good-quality arable land taking place as a result of urban sprawl, but it also means that in the Polish conditions actual losses are much higher than would follow from records in the real-estate cadastre. It can also be stated that the Polish legal rules not only fail to adequately protect farmland situated within metropolitan areas, but even favour its excessive loss.
Źródło:
Quaestiones Geographicae; 2017, 36, 2; 95-106
0137-477X
2081-6383
Pojawia się w:
Quaestiones Geographicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
First Evidence of Interdependences between Incomes of Family Members
Autorzy:
Łukasiewicz, P.
Karpio, K.
Orłowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1029572.pdf
Data publikacji:
2018-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
89.65.Gh
88.05.Lg
Opis:
In this paper we study the relations between personal incomes and incomes of families with two adults in USA. We describe family income distributions using the simple two-parametric model. Assuming incomes of spouses are statistically independent of each other we obtain theoretical exponential income distributions for males and females. We show that these distributions are not coincident with distributions constructed based on the personal data. Obtained results indicate on statistical dependence between incomes of males and females in the families. We track changes and trends in data for years from 2001 to 2016.
Źródło:
Acta Physica Polonica A; 2018, 133, 6; 1441-1444
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Factors affecting income generation among smallholder farmers with agricultural cooperative membership in Zambia
Autorzy:
Mainza, Nichoolus Obby
Powiązania:
https://bibliotekanauki.pl/articles/2141451.pdf
Data publikacji:
2022-07-06
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane
Tematy:
agricultural co-operative
smallholder farmers
member incomes
Opis:
This study analysed the effects of cooperative member characteristics on income generation among smallholder farmers in Chibombo district of Central Zambia using logistic regression from a sample size of 398 co-operative members. The aim of the study was to analyze factors affecting income generation among small-holder famers with membership in agricultural cooperatives, and to identify factors that increase their income. Data were collected in May 2020 using a questionnaire. The empirical data indicated that income increased when there were increases in the cultivated area, primary education and cooperative membership period of 5–10 years but decreased with marriage, being widowed and a farming experience period of 5–10 years. The other factors had no significant effect. Thus, the study concludes that increasing cultivated area, duration of cooperative membership and attending at least primary education would better income generation among cooperative members.
Źródło:
Journal of Agribusiness and Rural Development; 2022, 64, 2; 177-182
1899-5241
Pojawia się w:
Journal of Agribusiness and Rural Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
DECOMPOSITION OF DIFFERENCES BETWEEN PERSONAL INCOMES DISTRIBUTIONS IN POLAND
Autorzy:
Landmesser, Joanna Małgorzata
Karpio, Krzysztof
Łukasiewicz, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/453106.pdf
Data publikacji:
2015
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
quantile regression
Machado & Mata decomposition
counterfactual distribution
Opis:
In this paper we study differences between personal incomes distributions in Poland in 2002 and 2012. The empirical data have been collected within the Household Budget Survey project. We used the Machado & Mata decomposition, which utilizes quantile regression. This method allowed us to investigate differences between income distributions in the whole range of values, going beyond simple average value decomposition. We evaluated influence of person’s attributes on the differences of incomes distributions in 2002 and 2012. By decomposing the differences into the explained and unexplained components we got information about their causes. The differences described by the explained part are caused by different characteristics of samples. The unexplained part shows differences caused by the changes of attribute importance.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2015, 16, 2; 43-52
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes of distributions of personal incomes in US from 1998 to 2011
Autorzy:
Łukasiewicz, Piotr
Karpio, Krzysztof
Orłowski, Arkadiusz
Powiązania:
https://bibliotekanauki.pl/articles/453321.pdf
Data publikacji:
2012
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
income distribution
personal income
income inequalities
Opis:
In this paper the results of studies of personal incomes changes are presented for years 1998 to 2011. The studies were based on the micro-data regarding families and households. Among others it was showed that concentration of individual incomes dropped during the period of 1998 to 2011. The opposite trends of changes of income inequalities for households and individuals were observed.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2012, 13, 2; 96-106
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimating the parameter of inequality aversion on the basis of a parametric distribution of incomes
Autorzy:
Kot, Stanislaw Maciej
Powiązania:
https://bibliotekanauki.pl/articles/22444415.pdf
Data publikacji:
2020
Wydawca:
Instytut Badań Gospodarczych
Tematy:
income inequality
inequality aversion
estimation
income distribution
Opis:
Research background: In applied welfare economics, the constant relative inequality aversion function is routinely used as the model of a social decisionmaker?s or a society?s preferences over income distributions. This function is entirely determined by the parameter, ?, of inequality aversion. However, there is no authoritative answer to the question of what the range of ? an analyst should select for empirical work. Purpose of the article: The aim of this paper is elaborating the method of deriving ? from a parametric distribution of disposable incomes. Methods: We assume that households? disposable incomes obey the generalised beta distribution of the second kind GB2(a,b,p,q). We have proved that, under this assumption, the social welfare function exists if and only if ? belongs to (0,ap+1) interval. The midpoint ?mid of this interval specifies the inequality aversion of the median social-decisionmaker. Findings & Value added: The maximum likelihood estimator of ?mid has been developed. Inequality aversion for Poland 1998?2015 has been estimated. If inequality is calculated on the basis of disposable incomes, the standard inequality?development relationship might be complemented by inequality aversion. The ?augmented? inequality?development relationship reveals new phenomena; for instance, the stage of economic development might matter when assessing the impact of inequality aversion on income inequality.
Źródło:
Equilibrium. Quarterly Journal of Economics and Economic Policy; 2020, 15, 3; 391-417
1689-765X
2353-3293
Pojawia się w:
Equilibrium. Quarterly Journal of Economics and Economic Policy
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 41

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