The type of expenditure gap that's illustrated in Kittyville's economy is a recessionary expenditure.
It should be noted that an expenditure gap is when the demand for goods and services is more than the production.
In order to correct the gap, the economy hired the economist who suggested that there should be an increase in government spending and decrease in taxation.
Also, the change in government spending will be:
= Change in income b× (1 - MPC)
= $200 × (1 - 0.9)
= $20 billion.
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