Unformatted text preview: e moves either right or left.
See Exhibit 5-5(a).
But what factor(s) can cause a change in
quantity supplied ? Only one: price. For
example, the only thing that can cause sellers
to change their quantity supplied of computers is a change in the price of computers.
A change in quantity supplied is shown as a
movement along a given supply curve. See
Many people are, at first, confused about
what leads to a change in quantity supplied
and what leads to a change in supply. To
many, it seems as if changes in quantity supplied and supply are the same thing.
To make sure you understand the difference, let’s look back at a couple of examples
in this chapter. Turn back to Exhibit 5-1 on
page 115 and look at point A. There you see
a price of $1 and a quantity supplied of 10.
Now ask yourself what must happen before
you can move from quantity supplied of 10 EXH I BIT 5-5 On March 21, 2005, Dell
Computers opened its third Call
Center in India. (A Call Center is a
place where people who have purchased Dell computers call if they have
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