what are the factors that affect quantity demanded 
five key factors affect quantity demanded the price of the good the income of the buyer the price of related goods consumer tastes and the customer s expectations of future supply and price the bottom linethere are many situations where a supplier may be forced to give up profits or even sell at a loss because of cash flow requirements this is often seen in commodity markets where barrels of oil or pork bellies must be moved as the production levels cannot be quickly turned down there is also a practical limit to how much of a good can be stored and how long while waiting for a better pricing environment 