Refer to the diagram. At output level Q total fixed cost is:

In the classical model, the interest rate will adjust to equate

A) consumption spending with real GDP. B) saving with investment. C) export spending with import spending. D) the economic growth rate with the growth rate of import spending.

An increase in labor productivity ________ the real wage rate and an increase in population ________ the real wage rate

A) raises; lowers B) raises; raises C) lowers; lowers D) lowers; raises