National output is a function of ________

We expect PPP to hold better

A) for annual data than monthly data. B) for high-inflation countries. C) in the long run. D) All of the above.

On a graph with time on the horizontal axis and real GDP per capita on the vertical axis, the income levels of poorer countries are

a. diverging more from the incomes of rich countries. b. maintaining a constant gap with the incomes of richer countries. c. crossing the line representing richer countries. d. coming closer to the line representing richer countries.