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Optimal Land Use Analysis Using Lindenmayer Grammars

100%
Żukowska U., Kowalewska G.
Olsztyn Economic Journal
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2013
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vol. 8
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issue 2
163-175
EN
In today's world, when it is so important to use every piece of land for a particular purpose, both economically and ecologically, identifying optimal land use is a key issue. For this reason, an analysis of the optimal land use in a section of the city of Olsztyn, using the L-system Urban Development computer program, was chosen as the aim of this paper. The program uses the theories of L-systems and the cartographic method to obtain results in the form of sequences of productions or maps. For this reason, the first chapters outline both theories, i.e. the cartographic method to identify optimal land use and Lindenmayer grammars (called L-systems). An analysis based on a fragment of the map of Olsztyn was then carried out. Two functions were selected for the analysis: agricultural and forest-industrial. The results are presented as maps and sequences in individual steps.
2
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Where and why in the UK? The Case of Polish Migrants

81%
Kowalewska G., Rutkowska-Ziarko A., Simister J., Sonmez Y.
Olsztyn Economic Journal
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2016
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vol. 11
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issue 2
137-150
EN
This article focuses on one of the most controversial issues frequently discussed by many including politicians, academics and the media in the UK and Poland: migration of Polish people to Britain. The main aim is to identify the important factors causing migration of Poles within the UK. In this article, the authors seek to study the pull factors, i.e. level of wages or employment rate, for Polish people between different regions within the UK. By using the data from “Labour Force Surveys” collected by the UK government; and data from Główny Urząd Statystyczny (GUS) in Poland, this paper analyses where and why the Polish migrants live in the UK. The most important factor determining the fraction of Polish people in a given region is the fraction of Polish people in that region in the past. When Polish people move within UK, they tend to choose a region with a higher level of gross pay, and they don’t seem to consider the risk of unemployment. The authors are grateful to providers of survey data discussed in the “Data and methods” section of this paper. LFS data are made available by the UK Data Service. Views reported in this paper do not necessarily reflect opinions of organisations which commissioned or provided access to these surveys.
3
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Causes and Directions of Student Migration Using Polish and Portugese Students as an Example

81%
Kowalewska G., Nieżurawska-Zając J., Duarte N.
Olsztyn Economic Journal
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2019
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vol. 14
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issue 3
271-286
EN
This paper analyses the directions and causes of student migration in the information society at economic universities in Poland and Portugal. An international survey was conducted among students born between 1981 and 1995. The research included a group of 121 Polish and 55 Portuguese students. The conclusions of the study confirm the hypothesis that the place of residence/ country of origin has a significant effect on the direction of migration. Furthermore, the causes of migration are largely dependent on the gender of the respondents and their professional status.
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