The article presents a multidimensional comparative analysis of the exchange rates of five currencies: dollar, euro, franc, pound and ruble in zlotys and crude oil in dollars per barrel from 2005 to 2022. The research was conducted in terms of the identification of contemporary challenges for the economic security of enterprises in Poland. Grouping was used as part of multidimensional comparative analyzes. In the categorized line charts, in order to observe the trends in dynamic terms as a decrease and an increase in the rates of the analyzed data, a separate Y-axis scale was assigned to each of the analyzed dependent variables.
Optimization of financial resources and funding sources is a guarantee of financial security. Enterprises need financial resources to develop. The conditions of the pandemic, even more than regular competition, show the problems resulting from the lack of financial resources, and the lack of adequate financial reserves makes it difficult to start after lockdown. In recent years, SMEs have merged into multi-entity organizations to improve their financial security. These organizations are managed by specially created central units (purchasing groups). If the central units run into financial difficulties, numerous companies operating within purchasing groups will also be at risk. The aim of this article is to assess the approach to financial security of purchasing groups depending on the location of the central unit. The analysis was conducted on a group of 9 central units making up the largest purchasing groups in the construction industry in Poland. They were divided into two groups into internal and external central units. The conducted analysis identified financial security management strategies as quite risky, which requires some changes, which are presented in the article
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