If the saving rate increases, a country's growth rate of real GDP per hour of labor ________ and capital per hour of labor ________

In the figure above, if information technologies are introduced that are complements for high-skilled workers and substitutes for low-skilled workers, the wage rate of high-skilled workers will ________ and the wage rate of low-skilled workers will

________. A) rise; fall B) fall; rise C) fall; fall D) rise; rise

The absence of significant scale economies in 19th century agriculture outside the cotton South produced all of the following except

(a) More equal income distribution (b) Numerous family farms (c) The widespread need for schools (d) Large, corporate farms using the latest technology