According to the Keynesian model, an increase in autonomous investment leads to
A) a more than proportional decrease in real Gross Domestic Product (GDP).
B) a less than proportional decrease in real Gross Domestic Product (GDP).
C) a proportional increase in real Gross Domestic Product (GDP).
D) a reduction in taxes, autonomous government spending, and a fall in real Gross Domestic Product (GDP).
Answer: A