In the above figure, if this natural monopolist were unregulated, the profit maximizing firm would produce

In the income-expenditure model, the 45-degree line

A) shows total expenditures at various price levels. B) marks all equilibrium output levels. C) is also called the planned expenditures line. D) is the locus of all the points for which output equals expenditures.

If the government stops granting temporary work permits to foreign nationals, the demand for labor will ________, the supply of labor will ________, and the quantity of labor hired will ________

A) increase; decrease; decrease B) increase; decrease; remain the same C) remain the same; increase; decrease D) remain the same; decrease; decrease