Final answer:
An increase in natural resources would cause the long-run aggregate supply (LRAS) to increase in the neoclassical model.
Step-by-step explanation:
In the neoclassical model, an increase in natural resources would cause the long-run aggregate supply (LRAS) to increase.
When natural resources increase, it leads to a higher potential output in an economy. This means that an economy can produce more goods and services in the long run. As a result, the LRAS curve shifts to the right.
For example, if a country discovers new oil reserves, it can increase its oil production and export. This would lead to an increase in the LRAS and potentially higher economic growth.