Which welfare program allows the working poor to receive income refunds that can be greater than the taxes they paid during the last year?

A price ceiling

A) is an illegal price. B) is the price that exists in a black market. C) is the maximum price that can legally be charged. D) Both answers A and B are correct. E) Both answers B and C are correct.

Because of price stickiness in the Keynesian model, a decline in investment demand will not cause the

A) LM curve to shift down and to the right in the short run. B) LM curve to shift in the long run. C) IS curve to shift down and to the left in the short run. D) IS curve to shift in the long run.