انتخاب شیوه و روش خرید (تمرکز/ عدم تمرکز در خریدها)

The main objectives of this article are briefly as follows:

1- Analyze, summarize and provide effective parameters in each of the purchasing methods (centralized, decentralized, shared).

2- Establishing the process of "adopting the method and method of purchase" based on logical and quantitative principles instead of individual decision making of managers.

3- Designing and implementing decision-making methods with the help of software methods.

In this article, in order to solve one of the problems in the logistics system of the Armed Forces, the author conducts a practical research in the field of "determining the criteria and effective criteria in choosing the method and method of purchase" and proposing a decision model using TOPSIS method. Has provided.

In this study, twenty criteria and criteria obtained from purchasing methods are categorized and separated as follows.

A - Centralized purchase: The criteria for this method of purchase include 9 items.

B - Decentralized purchase: The criteria related to this method of purchase include 9 items.

C- Purchasing with common methods (centralized, decentralized): The criteria related to this method of purchase are 2 items.
In order to decide on the purchase method, a subset of the above 20 criteria and criteria will usually be involved in accordance with the desired product, so by determining the effective criteria and using common decision-making techniques, finally the method that scores more points to Acquisition is selected as the purchase method.