ࡱ> I)bjbj$93]  TTThhhhh|\hKFKHKHKHKHKHKHK$7L+NlKTC@lKm m m m 8TFKhhFKm m cq>M <TFKr+hhm JSCM13-2 - QUANTITATIVE AND QUALITATIVE FACTORS IN A SUPPLIER SELECTION PROCESS Suggested track: Global Supply Chain Management Abstract This article proposes a supply chain methodology to evaluate acquisition process, its factors and measures, both in quantitative and in qualitative terms. The qualitative parameters is dealt by means of the AHP method. Usually, qualitative factors are not regarded in decision making process to select suppliers. Accordingly, a table of factors, including the external ones, that influence the selection process, is also provided, together with their related performance measures. The proposal is illustrated through its application in a case study. Dagoberto Alves de Almeida and Luiz Ferdinando Perassa Escola Federal de Engenharia de Itajub AV. BPS 1303, Bairro Pinheirinho Itajub, MG, Brazil, zip code: 37500-000 e-mail:  HYPERLINK mailto:dago@iem.efei.br dago@iem.efei.br, Phone: +55 21 35 6291159 1. INTRODUCTION The justification to accomplish this work is the difficulties of decision making of global suppliers selection process. Aspects such as dead lines, reliability, transportation, inventories, government policies, taxation, know-how, customer barriers and, obviously, the clients commitment, are not, usually, considered in the decision making process. Such factors are important supply chain elements, once properly dealt represent a costing advantage. Considering the companies decision making process related to their strategic elements, as well as, the global suppliers selection issues, the aims of this paper are: Identify the factors that collaborate in the costing process and act as drivers along the time. a.1) supply chain factors; a.2) the value chain factors of the linkage activities a.3) factors of external forces. To propose measures to select suppliers in the global market based on the above identified factors. To consider and justify the use of the Analytic Hierarchy Process (AHP) to select suppliers. The aim of this article is to discuss the several aspects related to the factors that affect the supply chain performance and, also, the actions required to set up the list of suppliers that will participate in the chain. In addition, a practical example is utilized to justify the use of a decision making, such as the AHP, in uncertainty conditions. 2. THE ACQUISITION PROCESS The starting point is to define the companies value chain. According to Porter (1990), the costing advantage is resulted if the company obtain a cumulative overall cost lower that its competitors. To better identify the involved factors the supply chain is split into 3 segments, Acquisition, manufacturing and sale. This work will deal only with the acquisition process. In the acquisition process are identified the factors related to the several tiers of suppliers, the tiers links and external chain factors, but do influence on the acquisition processes.. For the purchasing activities many questionings were made (Pooler, 1992) in order to identify the related factors, i. e., basic cost, financial availability, dead lines, transportation, reliability, inventories, equipments and installations, , technology, flexibility, post sales and technical support, purchasing conveniences, quality and regional aspects. For the analysis of the factors influence on the cost built up of the acquisition process, it could be considered transportation measures such as the national and international freights, stocking, packing, containers and insurance. In regional terms it could be relevant the economic and political stability, government policies, fees, honorary, losses for damage or robberies, corruption, strikes and travels. Once these factors are identified, the next step is to set up a table to classify them in qualitative (Qd) and quantitative (Qt). Then, an analysis is made to verify if the use of these factors and measures is positive (P), negative (N) or neutral (Z) according to several POM approaches and techniques such as, MRP, MRPII, MRPII/ERP, JIT, Kaizen, Reengineering, Value Analysis/Value Engineering (va/ve), Concurrent Engineering, Total Quality Control (TQC), Benchmarking , Activity Based Costing and Theory of Constraints. Once it is completed the table allows an overview that is valuable for the analysis of the influencing factors. As an example, the table 1 shows the regional factor. Measures for the Regional Factor FrClassABCMRP / ERPJITMIMETQCVA\VEConcurrent Eng.ReengineeringKaizenBenchmarkingFinancial stabilityQd(Z)(Z)(Z)PPPPPPPPGovernment policiesQd(Z)(Z)(Z)PPPPPPPPPolitical stabilityQd(Z)(Z)(Z)PPPPPPPPEconomic stabilityQd(Z)(Z)(Z)PPPPPPPPFees/honoraryQd(Z)(Z)(Z)PPPPPPPPLosses for damages and robbery Qt(Z)PPPPPPPPPPtravelsQt(Z)(Z)(Z)PPPPPPPPstrikesQd(Z)PPPPPPPPPPCorruption Qd(Z)(Z)(Z)PPPPPPPPTable 1 As may be seen the complete table has a huge amount of data to be analyzed and weighted according to their influence on the acquisition process (what company? from a set of alternatives, How to measure them?, and so on). In this uncertainty case a multicriteria analysis, such as the AHP method, proposed by Saaty (1991 ) is recommended for the qualitative factors. 3. AN EXAMPLE OF APPLICATION Ei: American multinational company with a plant in Brazil . Ge: Italian multinational company without a plant in Brazil. Zi: Asian multinational company with a plant in Brazil. Example 1FactorsMeasuresClassComponents ZiEiGe Basic costI11-Inputs/ servicesQtUS$315,73US$315,73US$235,29F1Money paid to suppliersCIFCIFFOBI21-priceQt357I22-payment typeQt30 days30 days60 daysFinancialI23-taxesQt553F2I24-negotiating powerQd357I25-discount policiesQd355I26-financial expensesQt2%1,5%0%I31-delivery dateQt773AvailabilityI32-local stocks/transitQd771Dekivery dateI33-LocalizationQd993F3I34-PlanningQd579I35- flow guaranteeQd373I41- international freightsQt991I42- national freightsQt771TransportI43-storageQt995F4I44-packing / containersQt997I45-insuranceQt771I51-performanceQd375I52-HabilitiesQd777ReliabilityI53-company rankingQd597F5I54-managerial staffQd377I55-AvailabilityQd575I61-CustQt15 days15 days90 days I62-InvestimentQt15 days15 days90 daysInventoryI63-OportunitiesQt773F6I64-MovementQd993I65-obsolesenseQt995InstallationsI71-InvestimentQd395EquipmentI72-MaintenanceQd575ToolsI73-estrategyQd397DevicesI74-CustsQt559F7I75-laborQt775I81-Aplication EngineeringQd575I82-Process EngineeringQd575TechnologyI83-ReserachQd375F8I84-technological breakthroughQd557I85-InvestimentQd375I91-product lineQd377Purchasing Conveniences I92-cost reductionQt577F9I93-LaboratoriesQd777I94-AgilityQd555I95-market requestsQd555I101-InvestimentsQt597I102-EquipamentQd557FlexibilityI103-laborQd577F10I104-EstructureQd797I105- personal relationshipQd795I111- market developmentQd795Sales supportI112-Recommend the productQd795I113-Special attentionQd395F11I114-orders followupQd397I121-OrganizationQd575I122-PoliciesQd575TechnicalI123-Sistems / proceduresQd777supportI124-EvaluationQd797F12I125-CapacityQd575I126-CostQd575I131-quality systemQd999I132-Scrap/reworkQt555QualityI133-quality costQt555F13I134- statistic techniquesQd577I135-LaboratoriesQd777I141-Financial stabilityQd557I142-Government policiesQd557I143- Political stabilityQd559RegionalI144- Economic stabilityQd557F14I145-fees/honoraryQt775I146-losses for damage and robberyQd773I147-corruptionQd773I148-travelsQt773I149-strikesQd377Table 5.2.3: Judging suppliers factors and measures. The AHP software Criterium Decision Plus by InfoHarvest decision analysis & presentation (1999) Student Version 3.0 was utilized to proceed the calculation process. The judgement of the factors has to have the participation of people involved in the decision process. The software suggested the supplier selection by prioritizing the influence of each factor (figure 2). Figure 2: Suppliers priority graphic for the acquisition factors. At that time, the actual decision (supplier Ge) did not considered the qualitative aspects involved and it was quite diverse from the one suggested by the AHP process. However, The use of the software made it much simpler the decision process. In a managerial meeting, graphics and tables improves very much the selection process, since it allows the consideration of quality aspects in an integrated manner. The analysis and choices of factors and measures by means of a sensitivity analysis is greatly enhanced. REFERENCES PORTER, M.E: Vantagem Competitiva, Criando e sustentando um desempenho superior. Rio de Janeiro - Rio de Janeiro - Brasil: Editora Campos Ltda., 1990. SAATY, T.L.,: Mtodo de Anlise Hierrquica. 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