The midpoint price between $20 and $40 is

The existence of money in an economy promotes efficiency by

A) facilitating trade, thereby allowing for greater specialization. B) allowing for the formation of corporations as legal entities. C) creating incentives to be self-sufficient. D) creating an equal distribution of income.

Expected real interest rates are the

A) interest rates quoted in the market plus the expected inflation rate. B) interest rates quoted in the market. C) expectations of future interest rates. D) interest rates quoted in the market minus the expected inflation rate.