“…We can surely state that exact and comprehensive analysis is inconceivable without such information provided by a model that solves a number of decision types: optimal production structure, gains, technologies, use of resources, shadow prices, sensitivity analysis, assumptions, simulating, and analyzing "what if…" situations, etc. The relationship between optimization and economical regulation in the decision-making mechanism also deserves our attention (Janković et al, 2022;Prdić & Kostić, 2022). Sedlak et al, 2016).…”