The analysis aims to identify spatial variations of socio-economic development in Poland at the local level and to determine their correlation with conditions resulting from the historical political divisions of today’s areas of the country. The research procedure helps to verify the hypothesis that spatial differentiation of socio-economic development in Poland is permanent and does not show significant changes during periods of economic growth and crisis. We can emphasize at the same time the persisting differences between cities and their functional areas on the one hand and rural areas on the other. The study applied an innovative procedure of determining the synthetic index. The procedure of classifying local units presented in the text was based on the original random forest method. The outcomes confirm that contemporary spatial diversification at the level of socio-economic development in Poland is still strongly conditioned by history, especially by the socio-economic consequences of the partition of Poland between the three superpowers (Russia, Prussia and Austria). This is evident in the synthetic presentation of the level of socio-economic development. However, in the case of certain socio-economic phenomena, the values of indicators describing them no longer directly relate in their diversity to historical borders, particularly the former partition borders.
The article aims to analyse the influence on socio-economic development of contemporary socio-economic changes, or – using terminology after John Naisbitt (1982) – main megatrends, primarily from the point of view of the situation and changes characterising the EU’s Member States. The specifics of these processes in the capitalist countries of Western Europe and in the former countries of so-called “people’s democracy” in East-Central Europe are the key element of this discussion. In the context of the spatial patterns identified, discussion centres around trends of: (1) transformation, (2) economic integration, (3) globalisation, and (4) postmodernisation. The first part presents a synthetic characterisation of megatrends distinguished, including as regards specific definitions and reasons for them to arise. The second, most important part of the work addresses the impacts of megatrends n socio-economic development and the specific nature of the process ongoing with the two spatial European patterns. The analysis conducted supports the contention that the megatrends described have played a key role in the shaping contemporary processes of socio-economic development. However, it is difficult to analyse the separate influences of each, given the way they interact in one bundle (external in relation to endogenous ocesses), permeating one another, and ensuring an influence exerted that is diversified both temporally and spatially. It is not easy to state that any specific social or economic changes result solely from one or other of the processes iscussed. Thus, the influence of these megatrends should be perceived synergically. More or less intensive processes of transformation are strengthened by economic integration and globalisation and give rise to a diversified range of postmodernisation changes. This perception is needed even more, as many researchers often consider these processes in a slightly different configuration (Dicken, 2015).
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