| The ''law of demand'' states that, all other variables remaining
the same, the higher the price, the less the quantity demanded.
This can be seen in the diagram to your left. Fred the butcher notices that when the price
of beef is $6 per kilogram, 150 kilograms are bought each week. When the price of beef
is $8 per kilogram, 100 kilograms are bought each week.
The ''law of supply'' states that the higher the price of a good or service, all
other variables remaining the same, the greater the quantity is supplied.
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