Abstract
Research background: Information infrastructure is a very important pillar within a knowledge-based economy. The widespread use of information and communication technologies facilitates effective communication, dissemination and processing of information and knowledge. It also creates new opportunities for the effective use of knowledge and information in building competitive advantage. Information infrastructure is also a significant determinant in the development of territorial units, and therefore it affects the regional dimension of building the knowledge-based economy in Poland.
 Purpose of the article: The purpose of the study was to evaluate regional differentiation of the level of information infrastructure in Poland, and changes which occurred in this respect between 2010 and 2015. An attempt was made to provide an answer to the following question: Are regional differences in the level of information infrastructure in Poland increasing or decreasing, i.e. is a regional divergence or a regional convergence process taking place in this respect?
 Methods: Taxonomic methods were used, including linear ordering based on a synthetic variable and a method of grouping linearly-ordered objects.
 Findings & Value added: The regional differentiation of the level of information infra-structure in Poland has slightly decreased, which means, that a slow convergence process has taken place in this respect. This fact is confirmed by the value of the variation coefficient, which fell from a level of 17.6% in 2010 to a level of 14.4% in 2015. Convergence processes were observed in twelve provinces. In the case of seven of them, they had the nature of a catching-up effect, and in the case of the remaining five ? a lagging-behind effect. Divergence processes were observed in four provinces. The Dolnośląskie and Mazowieckie Provinces distanced themselves from other areas of the country. In the Małopolskie and Opolskie Provinces a marginalisation effect was observed.
Highlights
The modern economy is known as a knowledge-based economy (KBE)
The widespread use of information and communication technologies contributes to the increased efficiency of individual economic entities, and to the possibilities of enhancing the entire economy. It is of vital importance for building a knowledge-based economy and forming the information society
An attempt was made to provide an answer to the following question: Are regional differences in the level of information infrastructure in Poland increasing or decreasing, i.e. is a regional divergence or a regional convergence process taking place in this respect? The proposal of an answer to the research question was formulated in the form of the following research hypothesis: Regional differentiation of the level of information infrastructure in Poland is decreasing, i.e. a regional convergence process is taking place in this respect
Summary
The modern economy is known as a knowledge-based economy (KBE). A strategic factor for its economic growth is knowledge, and the capacity to create, absorb and use it. One of the pillars of the knowledge-based economy is a modern and adequate information infrastructure. It facilitates effective communication, dissemination and processing of information and knowledge. The widespread use of information and communication technologies contributes to the increased efficiency of individual economic entities, and to the possibilities of enhancing the entire economy. It is of vital importance for building a knowledge-based economy and forming the information society
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