1. A Change in Quantity Supplied Is caused by a change in the
Snickers Bars P S
$2.00
$1.50
A Change in Quantity Supplied
Is caused by a change in the
price of that product. It is
shown on a graph by movement
up or down a supply curve.
$1.00
$0.50 1 2 3 4 Q

2. A Change in Supply is caused by a non-price factor for that product
A Change in Supply is caused by a non-price factor for that product. It will shift the entire
curve. The non-price factors are represented by NICEPP or
Natural/Man Made Things
Input costs like labor and raw materials
Competition. More competing companies means more supply.
Expectations of future price changes.
Profitability of alternative products like bananas and pineapples. If the price of pineaapples
goes up then I will produce more pineapples and fewer bananas (decrease in supply of bananas).
6. Goods in Joint Supply. If we raise and process more cattle, we will have more hides. (a by-product)

3. Mountain Dew P S p1 p D1 D q1 q Q
Since Mike Rowe likes it, they will buy more. So there is an increase in Demand. But anytime there is a shift of one curve, there is movement along the other. For this example, when Demand increased, there was movement up the Supply Curve.