Though the shape of both the long-run and short-run aggregate supply curves will remain the same, changes in corporate investment can shift the entire curve to the left or right.

The point at which the two curves intersect represents the market-clearing price—the price at which demand and supply are the same. Prices can change for many reasons (technology, consumer preference, ...

What does change, however, is the position that the curve occupies on the graph. Thus, in the event of a price change, the entire demand curve will either shift to the right or shift to the left ...

The relationship between supply and demand is constantly evolving, as market demands, raw material constraints, and consumer preferences consistently shift both curves.