Answer:
1. a. Shifts in aggregate demand are often the result of waves of pessimism or optimism among consumers and businesses.
a. Corporate income taxes and c. Personal income taxes
Explanation:
1. The waves of pessimism or optimism among consumers and businesses deals with the behavior and perception of economic agents i.e. the household and the firm. the existence of confidence and the lack of same with determine whether to consume or invest. the action of these economic agents can move the economic from equilibrium and it is government duty to introduce some active relevant stabilization policy to redirect the economy towards stability.
2. Automatic stabilizers are inbuilt mechanism embedded in government spending and tax imposition that is capable of redirecting the economy into stability during economic recession without authorization by parliament. the most popular among this tool is corporate income tax and personal income tax. During recession the automatic stabilizer will stimulate demand and when the economy is over-inflated, it will mop up excess liquidity from the economy.
2.