Briefly summarize Say's law and Keynes' law. What are the main differences? 2. Please state whether the following changes would impact (shift) AD or AS and in which direction the shift would occur (increase or decrease). a) an increase in the price of oil b) a decrease in imports c) an increase in government spending d) a decrease in consumer confidence e) an increase in labor productivity 3. Describe the two ways inflation can present itself using the AD/AS framework.