Grain production is one of the Ukrainian agro-industrial complex main branches. An indicator of the grain production efficiency is its profitability. It is characterized by significant annual fluctuations that induce risk. Redistribution of existing grain crops areas taking into consideration their profitability can bring to increase of production efficiency. The paper observes Markowitz’s opti...

Time-cost trade-off is one of the most important subjects in project management and of interest to contractors. The goal of time-cost trade-off is sensivity analysis of project costs to changes in activity duration in order to obtain the best combination of activity duration decrease, in a way that the sum of project costs is minimized. In the heuristics presented in this area, time crashing is...

Risk involves identifying several options that the decision-maker can opt for while making a choice either in direction of risk or reliability. In this approach, is defined as action subject which will lead to loss guaranteed safety what has been achieved. As uncertainty external business environment increases companies, task managing risks both individually and set becomes more relevant. The p...

In this article, we discuss the procedure for computing values of unknowns under condition minimum sum squares observation residuals (least-squares method), taking into account errors in unknowns. Many authors have already presented problem, especially field regression analysis and computations transformation parameters. We present an overview theoretical foundations least-squares method extens...