The consequences of a full-scale military invasion of Ukraine and the world were negative transformations in the financial and economic systems. Financial and economic systems develop under conditions of the significant influence of external processes. Thus, the full-scale military invasion caused significant negative consequences for the financial and economic systems: a decrease in the level of entrepreneurial and investment activity, a decrease in the level of solvency, liquidity and profitability, as well as other financial and economic indicators. The article analyzes the trends and tendencies of the development of financial and economic systems in the conditions of external challenges. An analysis of financial and economic systems management models was carried out, the world’s leading experience in setting up management systems was carried out, and KPI was determined as the resulting factors of financial and economic activity. Based on the analysis of approaches to the formation of management models of financial

and economic systems, the resulting factors and their effects were determined. The weighting factors of influence factors were determined by analyzing the financial statistical reporting of national companies. A system of evaluating performance indicators has been developed by introducing an integral evaluation coefficient. Based on the evaluation, the ranking and zoning of the regions of Ukraine was carried out according to the indicator of the integral coefficient. On the basis of the calculations and the conducted analysis, methodical recommendations were developed for the practical implementation of the financial and economic activity management system in the process of post-war reconstruction.

Highlights

• The article analyzes the trends and tendencies of the development of financial and economic systems in the conditions of external challenges.
• An analysis of financial and economic systems management models was carried out, the world’s leading experience in setting up management systems was carried out, and KPI was determined as the resulting factors of financial and economic activity.
• Based on the analysis of approaches to the formation of management models of financial and economic systems, the resulting factors and their effects were determined.