1 . A change in price of gasoline might cause a movement along the demand curve .

A change in price of gasoline might cause a movement along the demand curve
A market is a group of buyers and sellers of a particular good or service. A competitive market is a market in which there are many buyers and many sellers so that each has a negligible impact on the market price.
The quantity demanded of any good is the amount of the good that buyers are willing and able to purchase. The law of demand states other things constant, when the price of a good rises, the quantity demanded of the good falls , and when the price falls , the quantity demanded rises. A demand curve is a graph of the relationship between the price of a good and the quantity demand.
price

$3
$2
$1
0 D
10 20 30 quantity
FIGURE 1 : A DEMAND CURVE
The above figure represents a demand curve based on a demand schedule that for $1 the quantity demanded...