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Does a financial crisis affect operating risk? Evidence from Polish listed companies

100%
Kalinowski S., Puziak M.
Economics and Business Review
|
2018
|
vol. 4(18)
|
issue 1
64-85
EN
In turbulent times of crisis the variability of both EBIT and operating revenue increase in comparison to a relatively stable post crisis period. The main aim of this paper is to investigate this relationship across these two periods. The hypothesis is that the degree of operating leverage (DOL) is significantly higher during the crisis period (2007-2010) than in the post-crisis period (2011-2015). Additionally the authors checked whether there were significant differences across defined industries and also verified whether all industries had responded in the same way to Financial Crisis as far as DOL is concerned. The main findings are: (a) The Financial Crisis of the years 2008‑2009 significantly influenced the DOL of Polish stock companies; (b) There are substantial differences of the DOL across industries; (c) The DOL in the case of all industries investigated changed in the same direction when comparing two selected subperiods.
2

Konwergencja i rozklad dochodow w duzych gospodarkach europejskich

100%
Puziak M., Kruszka M.
Contemporary Economics
|
2010
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issue 4(16)
25-39
EN
The aim of this paper is an empirical analysis of the convergence process in the years 1993-2008 and the impact of economic growth on income distribution in selected European Union countries. Considering this fact one can state that research was conducted from the perspective of EU citizens. The crucial hypothesis of this paper is statement that convergence is differently perceived in terms of entire economies, and gives a different picture from the perspective of the single citizen of the selected country. The analysis was carried out in several stages. Initially, the authors referred to the classical convergence hypotheses (unconditional 'beta' and 'sigma' convergence) within the EU-27, then the same assumptions were examined taking into account population - weighted indicators. However, the main aim of research undertaken in this study was to investigate the individual within - country distribution of income for the initial and final period, which allowed to answer the question whether faster growth of the 'new EU' was accompanied by reduction of inequalities within analyzed economic systems.
3
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Income Distribution and Regional Convergence in Poland and the European Union

81%
Godziszewski B., Kruszka M., Puziak M.
Olsztyn Economic Journal
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2013
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vol. 8
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issue 1
45-60
EN
The main aim of this paper is to analyze regional convergence in the period 1995-2007 in Poland and European Union. Main hypothesis is statement that convergence (understood as reducing income disparities) perceived from system wide perspective is not identical with diminishing income disparity among inhabitants of regions in particular countries, even though broad range of EU cohesion policy means were applied. The analysis was carried out in several steps. Initially, the authors referred to the classical convergence hypotheses (unconditional ß convergence) within the EU-27, then the same assumptions were examined taking into account population - weighted indicators. However, the main aim of research undertaken in this study was to investigate the regional (within - country) distribution of income for the selected years. The results allows to state that despite growing mean income in the analyzed systems (EU-27 and Poland ) and strong support by EU funding, one can observe increased disparities between regions.
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