Direct income transfers account for approximately what percentage of total government spending?

Medical service by physicians

A) could be made a free good through universal health insurance. B) is a good for which the demand is completely inelastic. C) is a good for which there is no satisfactory substitute. D) would become a free good if physicians did not charge monetary fees. E) would cost some patients more in non-monetary terms than they now pay if physicians did not charge monetary fees.

A change in which of the following causes a shift in the IS curve?

A) autonomous investment B) autonomous net exports C) taxes D) all of the above E) none of the above