The make-or-buy decision is the act of making a strategic choice between producing an item internally (in-house) or buying it externally (from an outside supplier). The buy side of the decision also is referred to as outsourcing. Make-or-buy decisions usually arise when a firm that has developed a product or part–or significantly modified a product or part–is having trouble with current suppliers, or has diminishing capacity or changing demand. Make-or-buy analysis is conducted at the strategic and operational level. Obviously, the strategic level is the more long-range of the two. Variables considered at the strategic level include analysis of the future, as well as the current environment. Issues like government regulation, competing firms, and market trends all have a strategic impact on the make-or-buy decision. Of course, firms should make items that reinforce or are in-line with their core competencies. These are areas in which the firm is strongest andContinue reading
Operations Management
Meaning of Value Analysis
The purchasing manager conducts value analysis that aims mainly at achieving cost effectiveness and maintaining the required level of quality. Value analysis is an organized effort that studies in detail the ‘value’ of material. Value Analysis reviews the design changes with the objective of eliminating high cost materials and the materials that are technically obsolete and reducing the number of parts. After analyzing the functions and cost of material, the purchasing manager evaluates the possibilities of using the material. Value Analysis can be defined as a process of systematic review that is applied to existing product designs in order to compare the function of the product required by a customer to meet their requirements at the lowest cost consistent with the specified performance and reliability needed. The Value Analysis technique was developed after the Second World War in America at General Electric during the late 1940s. Because of World War,Continue reading
Kanban System
Kanban is a concept related to lean and just-in-time (JIT) production. The Japanese word kanban is a common everyday term meaning “signboard” or “billboard” and utterly lacks the specialized meaning that this loanword has acquired in English. According to Taiichi Ohno, the man credited with developing JIT, kanban is a means through which JIT is achieved. Kanban is a signaling system to trigger action. As its name suggests, kanban historically uses cards to signal the need for an item. However, other devices such as plastic markers (kanban squares) or balls (often golf balls) or an empty part-transport trolley or floor location can also be used to trigger the movement, production, or supply of a unit in a factory. Kanbans maintains inventory levels; a signal is sent to produce and deliver a new shipment as material is consumed. These signals are tracked through the replenishment cycle and bring extraordinary visibility toContinue reading
Purchasing Policy – Principles and Implementation
Purchasing Policy Principles The major principles on which purchasing policies should be based are a sound orientation, reflect a cross —functional approach and be directed at improving the company’s bottom line. i. Business Orientation Developing a purchasing and supply strategy requires a thorough understanding of the company’s business policies. The following questions are important to determine how purchasing and supply strategies will need to support the company in meeting its goals and objectives:- What end-user market is the company targeting and what are the major developments going on in those markets? What competition is the company suffering from and what leeway does the company has in setting its own pricing policies? To what extent can material’s price increases can be passed onto the last customer or is it impossible? What changes are happening in the company’s product, production and information technologies? What investments will be made by the company inContinue reading
Purchase Systems and Importance of Source
In an organization all activities are carried out according to systems and procedures for reducing variations and errors arising out of individuality. This makes performing the function simple and less prone to errors. Purchase organization also consists of such systems established for smooth running of purchasing function. These systems are pre purchase system, ordering system, post purchase system. Pre Purchase System: This system lays down how purchase activity is initiated. Various activities controlled by this system are requisitioning, selection of suppliers and obtaining & evaluating quotations. Requisitions: Requisition for an item may be made by anyone in the organization. Pre purchase system prescribes separate requisition form for capital equipment as this purchase activity is controlled by a separate system. Requisition for an item shall be made in a standard format. This format ensures that indenting person furnishes all relevant information like quantity, specifications, etc. and gets the purchase authorized byContinue reading
Types of Purchasing Systems
The effectiveness of purchasing activities can be enhanced by proper organization and coordination of the activities. There are four types of purchasing system:- Purchase made as per requirement: No purchase is made in advance. Purchase is done as need arises. Method usually applied for emergency requirement or infrequent goods. Contract Purchasing: Contract of material is given to an agency. It has an advantage that low price of those materials whose cost fluctuates highly. Market Purchase: Purchase is made from the market to take advantage of price fluctuations. Schedule Purchasing: It is a cyclic purchase model. A schedule of purchase is made and it is used for those commodities whose price do not fluctuate. Centralized purchasing means buying and managing purchases from one location for all locations within an organization. This can also be run by a central location buying in to a distribution warehouse that feeds smaller warehouses. This isContinue reading