_____ is the primary reason that explains why some nations are richer than the others

Economic growth in Cuba has been slow; what can best explain the slow growth?

A) Lack of economic resources B) Lack of incentive mechanisms and economic freedom C) Labor productivity is low. D) A non-democratic form of government E) Too much competition within the economy

At every point on the IS curve, the level of income on the horizontal axis equals

A) planned autonomous spending. B) planned autonomous spending times the multiplier. C) planned autonomous spending divided by the multiplier. D) planned expenditures times the multiplier.