Draw the graph · Micro · Supply and demand
Cheaper chips, cheaper laptops
Drag a curve sideways, or use its arrows. A curve you do not move is a curve you are saying stays put. Make each shift clear enough that a reader could see it.
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Demand stays put. Supply shifts right.
An input cost is a supply-side factor. When each laptop costs less to make, makers are willing to offer more at every price, so supply shifts right. Buyers' tastes and incomes have not changed, so demand stays put. The lower price then moves buyers down along their demand curve.
Price falls and quantity rises.
Common mistake. Students sometimes shift demand right because 'laptops get cheaper so people buy more.' People do buy more, but that is a movement along demand caused by the lower price. The lower price came from supply.
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Lesson: The Supply Curve