A decrease in aggregate demand will:Question 7Answera.cause inflation.b.decrease unemployment.c.cause the short-run Phillips curve to shift to the right.d.move the economy to a lower point on the short-run Phillips curve.

A decrease in aggregate demand refers to a fall in the total demand for goods and services in an economy. This can occur due to several reasons such as a decrease in consumer confidence, higher interest rates, or a decrease in government spending.

Now, let's analyze each of the options:

a. Cause inflation: This is incorrect. Inflation is typically caused by an increase in aggregate demand, not a decrease. When aggregate demand decreases, there is less demand for goods and services, which can lead to a decrease in prices, not an increase.

b. Decrease unemployment: This is also incorrect. A decrease in aggregate demand can actually increase unemployment. When there is less demand for goods and services, companies may need to lay off workers because they are selling less.

c. Cause the short-run Phillips curve to shift to the right: This is incorrect. The short-run Phillips curve illustrates the inverse relationship between inflation and unemployment. A decrease in aggregate demand would likely move the economy down along the Phillips curve, not shift the entire curve.

d. Move the economy to a lower point on the short-run Phillips curve: This is correct. As mentioned above, a decrease in aggregate demand can lead to lower inflation and higher unemployment. This would move the economy to a lower point on the short-run Phillips curve.

So, the correct answer to your question is d. A decrease in aggregate demand will move the economy to a lower point on the short-run Phillips curve.