Any such pollution is

Of the following views on the effects of immigration on the receiving nation's economic growth, which have NOT been suggested by economists Michael Kremer and Julian Simon?

A) Technological progress is driven by population growth. B) Immigration increases a nation's labor pool and encourages ingenuity. C) Immigration costs the local population jobs and greatly lowers their incomes. D) Immigrants raise the standard of living of a nation's native population.

Which of the following shifts aggregate demand to the left?

a. an increase in the price level b. an increase in the money supply c. a decrease in the price level d. a decrease in the money supply