If a firm is minimizing the cost of producing its chosen level of output, the marginal product of the last dollar spent on each input should be equal

Changes in conditions of supply and demand lead to price changes. For which of the following types of goods is the change in price likely to occur most quickly?

A) Commercial rents B) Hourly labor C) Public utilities D) Residential rents E) Retail groceries

Fiscal policy tries to influence target variables by manipulating

A) money supply. B) interest rates. C) government expenditures. D) All of the above.