Answer:
1.short run aggregate supply decreases
2.short run aggregate supply decreases
3.short run aggregate supply increases
Step-by-step explanation:
The short run aggregate supply is the total production of goods and services in an economy holding some factors of production fixed.
1. Even in a healthy economy. As the natural rate of unemployment increases, short run aggregate supply decreases.
2. A rise in the price of lumber (inflation) would cause a decrease in short run aggregate supply.
3. An increase in productivity caused by the acquisition of capital equipment would cause the short run aggregate supply to increase.