JIT

  • lean production method of stock control
  • deliveries of stock just in time for them to be used in production process
  • removes cost of buffer stocks
  • eliminates storage, reduces insurance, and maintenance
  • continuous improvement, difficult to manage for big organizations
  • stock is delivered right after required for production
  • working capital is not tied up in inventory, which might not be liquid

STORAGE COSTS

  • storage
  • insurance
  • wastage
  • security (for theft prevention)
  • maintenance
  • damage

advantages

  • no buffer stocks
  • minimal wastage
  • improve liquidity
  • improve competitiveness due to lower costs of stock management + improved product quality disadvantages
  • harder to get economies of scale
  • tech to manage stock is expensive
  • relies on 3rd parties
  • inflexible if demand increases suddenly

JIC

  • have buffer stocks so you always have enough in case of changing demand
  • meet unexpected orders quickly
  • suitable for durables, not perishables
  • power tools, batteries, torches, nails, pens, greeting cards, lego toys, toothpicks advantages
  • buffer stocks are flexible for sudden changes in demand
  • production can continue even if suppliers give stock late (because of buffer stock)
  • economies of scale when you buy stuff in bulk
  • customers don’t have to wait for product disadvantages
  • costs insurance and maintenance + security of stocks
  • subject to damage or theft
  • stockpiling reduces cash flow + working capital
  • suppliers can charge high prices for urgent deliveries of stock
  • unsuitable for perishable products (i.e. food)