Suppose that the Central Bank of the country of Keynesland decreases the supply of money; at the same time, the governmet of Keynesland passes a new investment tax credit. How would each policy affect the aggregate demand (AD)

a. The money supply decrease would shift the AD to the left; the new investment tax credit would shift AD to the right.

Explanation:

If the money supply is decreased, it means the amount of money available in the economy for people to buy goods and services will reduce. When this happens, people will demand less because they have less cash. This will end up pushing the demand curve to the left.

When an investment tax credit is declared however, companies will feel more inclined to invest in the economy because they will pay less tax. As they invest more, people will be employed and will increase their spending thereby pushing the AD curve to the right.

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