Mayakov O. Modeling of purchase processes in logistic supply chain

Object of research: purchase processes in the logistic chains of supplying with enterprises in the market conditions of management. Purpose of research: development of models and methods of management purchase processes on an enterprise, providing the increase of efficiency of his functioning. Methods of research: dialectical method of cognition of reality, methods of system organization of economic processes, fundamental positions of economic theory, laws of functioning of market economy, modern theories of management, marketing, logistic. Results: the analysis of purchase processes of logistic chain of deliveries is conducted; the problems of purchase logistic are identified on an enterprise; leaning against methodology of theory of the graphs, the system of determinations, creating the category vehicle of research, is offered; conception of design of purchase processes is developed in the logistic chain of deliveries; the models of optimum circulating capital of enterprise structure are developed at the purchase of resources; dynamic task of management the streams of resources; the model of forming of gravimetric coefficients of criteria is offered for the task of choice of suppliers of resources; the method of determination of the agreed prices is offered on purchase resources; procedure of choice of rational variants of supplying with financial resources is developed; the method of determination of by volume lever is offered for forming of volumes of purchases; the method of estimation of efficiency of management purchase processes is offered in the chain of deliveries. Novelty: first: conception of design of purchase processes is developed in the logistic chain of deliveries, the economical and mathematical model of choice of the most effective system of competition purchases of commodities and services is developed; improved: methods of estimation of criteria in the task of multicriterion choice of suppliers of resources on the basis of calculation of coefficients of their relative importance, method of by volume lever at forming of volumes of purchases; got further development: dynamic case purchase processes frames. Field of the use: level of enterprises.