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ERP systems

ERP - Enterprise resource planning system  links all the areas of a business  manufacturing - knows about new orders as soon as they are entered  sales - knows the exact status of a customer order  purchasing knows what manufacturing needs to the minute  the accounting  benefits of ERP  ERP products  oracle  SAP microsoft  JDA  i2 technology  all SAP functions can be implemented using an internet interface  cloud computing : delivering hosted service over internet  2 distinct characteristics  sold on demand  its elastic  service is fully managed by the provider  implementing ERP is costly  ERP systems are complex and expensive  may require major changes in processes  cost of the software typically one third or less of the total cost  BOM - number of components  bill of materials - contains the complete product description 
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Economies of scale -  refers to the reductions in unit cost achieved by producing a large volume of a product. Economies of scale have a number of sources including the ability to spread fixed costs over a large volume, and the ability of large firms to employ increasingly specialized equipment or personnel Which of the following is an infrastructure difference between countries that calls for product customization? Difference in consumer electrical systems across continents global standardization strategy - focus on increasing profitability and profit growth by reaping the cost reductions that come from economies of scale, learning effects, and location economies. Their strategic goal is to pursue a low-cost strategy on a global scale. This strategy makes sense when there are strong pressures for cost reductions and demands for local responsiveness are minimal. High transportation costs, the threat of tariff barriers, and potential problems with local ma...
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operation planning system

revenue management  the process of allocating the right type of capacity to the right type of customer at the right price and time  to maximize revenue or yield  to influence market demand  to making demand more predictable  differential pricing  changing different prices to different customers  dynamic pricing  charging different prices over time  agregatte operations plan  product group or board category ( aggregation)  specify the optimal combination of  production rate ( units completed per unit of time  workforce level ( number of workers)  inventory on hand ( inventory carried from previous period)  stages of aggregate production  chase strategy  level strategy  production strategy 1 - chase strategy  match the production rate by hiring and laying off employees  must have a pool of easily trained applicants to draw on  production planning st...

uncertainty and safety stock

safety stock : amount of inventory carried  in addition to expected demand and supplies  many other inventory models  price break models ( quantity discount model  abc model  single period model ( flu shots)  fixed order quantity system ( every time you buy something is the same amount)  fixed time period system  stock outs: back order/lost sale ( 3x. every 99th person gets it )  RFID  automates the supply chain  inventory management - goods automatically counted and logged as they enter the supply warehouse  manufacturing - assembly instructions encoded on RFID tag provide information to computer controlled assembly devices  distribution center - shipment leaving DC automatically updates ERP to trigger a replenishment order and notify customer for delivery tracking  retail  store - no check out lines as scanners link RFID tagged goods in shopping cart with buyer credit card 
uncertainty and safety stock  safety stock  amount of inventory carried in addition to expected demand and supplies 
ECQ Model  total annual cost = annual purchase cost and + annual ordering cost + annual holding cost Total annual cost = (annual demand)(cost per unit) + Annual Demand/ order quantity