Кафедра "Економічна кібернетика та маркетинговий менеджмент"

Зараз показуємо 1 - 4 з 4

Risk management models in operative planning at an industrial enterprise
(Institute of Electrical and Electronics Engineers, Inc., USA, 2020-10-06) Zaruba, Viktor; Parfentenko, Iryna
The subject of the study was the situation of operational planning of production of an industrial company in the face of random fluctuations in the current demand for its products. It is shown that in this situation there are loss risks that depend on the decisions made during operational planning. A model of the planning situation is developed for the case when the volume of orders for products for one period of time is described by a random variable with stationary statistical characteristics. The effectiveness of decisions made was estimated by the average economic effect per unit of time over an infinite time interval. The planning situation model was used to conduct a comparative analysis of the effectiveness of various operational planning policies.
Analysis of the policy of operation activity of anenterprise with productre servation
(ПП "Технологічний Центр", 2022) Zaruba, Viktor; Potrashkova, Liudmyla; Guryanova, Lidiya; Sokol, Kateryna; Kuksa, Ihor
This paper examines the process of operative planning of the production of an industrial company under conditions of random fluctuations in current demand. It is shown that under these conditions there are losses, the size of which depends on the adopted policy of operation activity. The policy of operation activity is understood as the rule of making decisions on current production volumes based on information about incoming orders, probable volumes of future demand, and possible losses due to the deviation of capacity load from the normative one. In the paper, it is proposed to assess the effectiveness of each policy of operation activity using the indicator of the limit average economic effect per unit of time for an infinite number of periods. An original approach to assessing the effectiveness of the policy of operation activity with product reservation was developed. It was shown that when using this policy, there is an effect of product “overstock” on the chains of successive periods. It was proposed to select the initial reserve so that the probability of completion of the reservation chain for a given number of periods should be close to unity. Such an approach creates an opportunity to determine the expected economic effect on the chains of reservation of various product types and, as a result, to assess the policy effectiveness in general. An assessment of the effectiveness of the policy with reservation in the form of the dependence of the policy effectiveness indicator on the values of cost indicators was obtained. Comparison of this assessment with a similar assessment of the effectiveness of the policy of fulfilling incoming orders allowed finding a condition under which the policy with reservation is more profitable. It involves ensuring that the magnitude of losses per unit of production associated with the product stock storage does not exceed half the sum of the magnitude of losses per unit of production due to downtime and excess capacity load
Analysis of the Effectiveness of Tariffs for Telecommunications Services with Broadband Access
(ФОП Андреева, 2018) Zaruba, Viktor; Parfentenko, Iryna
The purpose of the study was to analyze the efficiency of tariffs of companies providing telecommunications services with broadband access. The analysis was carried out with respect to both the efficiency of the tariff system in general and its individual elements. The structure of costs for services providing access to the Internet and networks of digital television has been studied. The scheme of the analysis of the product and cost parts of the tariff system of telecommunication companies is proposed. The advantages and disadvantages of pricing strategies for telecommunication services are discussed.
Optimization of the duration of collection of orders on the enterprise’s products
(Pražský Institut zvyšování kvalifikace, 2018) Zaruba, Viktor
The subject of the study became the procedure for planning the production of an industrial firm, based on the performance of only received orders. In this case, random fluctuations in the volume of orders cause either excessive loading on production, or downtime. It is shown that an increase in the duration of the collection period of orders can reduce production losses. Investigated one of the possible models of economically justified choice of the duration of collection of orders. In it are uses approximate estimates of losses due to the unevenness of the flow of order volumes and the reduction in orders due to long terms of their fulfillment.

Кафедра "Економічна кібернетика та маркетинговий менеджмент"

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