tailieunhanh - Gestion des stocks

Banks represent a sizeable share of the broad market portfolio in developed equity markets. In the United States and the United Kingdom, this share grew substantially over the past two decades in line with the increase in financial activity. For example, at the end of 2011 banks made up around 5% and 10% of the overall market capitalisation, respectively, of the S&P 500 and FTSE 100 indices. This was roughly double their share at the beginning of the 1990s, albeit only half that on the eve of the crisis. The market capitalisation shares in continental Europe and Asia. | Gestion des stocks Cher important Compromis entre stock bas risque de pénurie ou haut couts élevés Comment minimiser les couts liés au stock Stock - Pour satisfaire des besoins présents ou futurs. - Matières premieres travaux en cours produits finis. 2006 2007 1 Importance de la gestion des stocks 1. Decoupling function Buffer between manufacturing processes. 2. Storing resources When demand vanes over time agriculture . 3. Irregular supply or demand Seasonal demand. 4. Quantity discounts Cost of products vs carrying costs. 5. Avoiding stockouts and shortages Shortage costs. 2006 2007 2 1 Inventory decisions How much to order When to order Minimize total inventory costs - Cost of the items - Cost of the ordering - Cost of carrying holding inventory - Cost of safety stock - Cost of stockouts. 2006 2007 3 Inventory cost factors 2006 2007 4 2 First model Simple. For a single inventory item. Many assumptions - Demand known and constant. - Lead time time to receive an order known and constant. - No quantity discounts. 2006 2007 5 EOQ model EOQ economic order quantity Wilson model Assumptions - Demand known and constant. - Lead time known and constant. - Receipt of inventory is instantaneous. - No quantity discounts. - Only ordering cost and carrying cost. - Stockouts can be avoided completely. 2006 2007 6