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Empiryczna weryfikacja efektów aglomeracji w polskich podregionach przy wykorzystaniu metod panelowych

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Burdziak A.
Acta Universitatis Lodziensis. Folia Oeconomica
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2011
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vol. 253
EN
Poland's economy is characterized by a growing trend of inter-regional differences. Economic efficiency diversification of enterprises can be explained by identifying the agglomeration effects. Spatial concentration of economic resources improves the process of growth poles formation. Processes and mechanisms are described by the New Economic Geography analyses. Empirical confirmation of the agglomeration effects presence will be a beginning for research on regional growth poles in the Polish economy.
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ATTEMPT TO IDENTIFY THE TREND OF ECONOMIC CONVERGENCE BETWEEN POLISH SUBREGIONSIN YEARS 1995- 2005 (Próba okreslenia tendencji konwergencji gospodarczej polskich podregionów w latach 1995-2005)

100%
Burdziak A.
Optimum. Studia Ekonomiczne
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2009
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issue 1(41)
149-172
EN
This article presents the results of research into the processes of economic convergence in the Polish economy in the years 1995 - 2005. The subregions, which are less than the voivodeship, were analysed. The paper attempts to outline the trend of convergence in time and space. It discusses the basis for: (i) gross value added, (ii) gross value added per capita, (iii) labour productivity. The full sample of 45 subregions was tested statistically, and on this basis, they were divided into three research groups: (a) the full, (b) excluding cities, and (c) minimum (based on 33 subregions). The article presents an analysis of sigma convergence and beta convergence processes. Empirical results indicate that in the years 1995- 2005 the sigma type divergence was noted. In the case of beta type, exclusion of 12 territorial units does not allow for unambiguous conclusions. Spatial analysis, performed with the use of I Moran statistics, indicates a strong interregional-dependencies for the full sample. Other research groups did not con firm the significant spatial interaction among subregions in the 1995 - 2005.period .
3
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Ekonometryczna weryfikacja efektu aglomeracji netto w gospodarce polskiej w latach 2000–2005

63%
Burdziak A., Myślińska A.
Studia Regionalne i Lokalne
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2008
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issue 2(32)
72-91
PL
W artykule postawiono hipotezę o dodatnim efekcie aglomeracji netto w podregionach Polski w latach 2000–2005. Efekt aglomeracji netto to relatywnie nowa koncepcja teoretyczna, która objaśnia przestrzenne zróżnicowanie aktywności ekonomicznej. Do prowadzonych analiz wykorzystano funkcję koncentracji produkcji w wersji zaproponowanej przez Cicconego i Halla. Hipotezę weryfikowano za pomocą metod ekonometrycznych. Wielowariantowe pomiary dały niejednoznaczne rezultaty. Metody panelowe okazały się nieefektywne w odróżnieniu od metod pool. Jako aproksymantę poziomu technicznego gospodarki zastosowano skumulowaną liczbę patentów. Wybór patentów krajowych spośród wariantów pool umożliwił zredukowanie problemów związanych z korelacją zmiennych objaśniających. To podejście pozwala na wyciągnięcie wniosków o dodatnim efekcie aglomeracji netto.
EN
The authors put a hypothesis of positive net agglomeration effect in Polish subregions in 2000–2005. The net agglomeration effect is a relatively new theory explaining spatial differences in economic activity. A production concentration function suggested by Ciccone and Hall is used in analysis. The hypothesis was verified with econometric methods. Multiple scenarios gave ambiguous results. Panel methods appeared to be ineffective, as opposed to pool methods. Cumulated number of patents was used as an approximation of the level of technical development. Among pool scenarios, domestic patents allowed to reduce problems connected with co-relation of explanatory variables. This approach gives conclusions about positive net agglomeration effect.
4
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Stopień niezależności banku centralnego a inflacja

51%
Andrzejewska E., Burdziak A., Kuchta Z., Uniwersytet Łódzki W. E.-S.
Acta Universitatis Lodziensis. Folia Oeconomica
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2007
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vol. 208
PL
Autorzy chcą serdecznie podziękować prof. S. Krajewskiemu, prof. dr. hab. E. Kwiatkowskiemu, dr. A. Stępniak-Kucharskiej, dr. J. Pruskiemu oraz mgr. J. Kowalskiemu z Instytutu Ekonomii Uniwersytetu Łódzkiego oraz prof. N. Łapińskiej-Sobczak z Instytutu Ekonometrii i Statystyki UŁ za cenne uwagi zgłoszone podczas pracy nad tekstem.
EN
he objective of the article is an analysis of influence of a degree of central bank independence on a rate of inflation. Inflation theories of dynamic inconsistency were developed e.g. by Kydland and Prescott [1977], Barro and Gordon [1983] and Rogoff [1985]. On the basis of mentioned theories higher degree of central bank independence may result in lower rate of inflation. The first part of the article presents theorical basis of analysed relationship and is based on articles by Rogoff [1985], Alesina and Summers [1993], Posen [1993] and Eijjfinger and de Hann [1996]. However, the theory does not conclusively indicate the direction of this influence. Hence, the aroused purpose was to verify whether an institutional forms of monetary policy influences the rate of inflation. The next part includes empirical research. The degree of central bank independence was described by qualitative measures, which as well as transformed rate of inflation were derived from articles by Grilli, Masciandaro, Tabellini [1991] and Cukierman, Webb, Neyapti [1992]. The relation was estimated with the use of a linear regression. Results suggest that the influence of the degree of central bank independence on the rate of inflation is negative. Research done by other authors confirm the hypothesis pointed out in the article, however further analyses are recommended. Remove selected
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