1- If the natural rate of unemployment is 5% and the actual unemployment rate is 4%, according to the Okun's law, output gap is ______ %

2- Assume a closed economy with no government.Supposethat autonomous consumption equals $400, planned investment equals $500, and the mpc equals 0.9. Using the information above, if aggregate output is equal to $10,000, then unplanned inventory investment equals $ ________ .

3- Assume a closed economy with no government.Supposethat autonomous consumption equals $400, planned investment equals $500, and the mpc equals 0.9. Using the information above, if aggregate output equals $8,000, the unplanned inventory investment equals $ __________ .

4- Assume a closed economy with no government.Supposethat autonomous consumption equals $400, planned investment equals $500, and the mpc equals 0.9. Using the information above, if autonomous consumption increases by $100, then equilibrium aggregate output will change by $ ___________ .

5- Assume a closed economy with no government.Supposethat autonomous consumption equals $400, planned investment equals $500, and the mpc equals 0.9. Using the information above, if planned investment decreases by $100, the equilibrium aggregate output will change by $ _______ .

6- Assume a closed economy.Suppose that autonomousconsumption equals $400, plannedinvestment equals $500, government expenditure equals $200, net taxesequals $50, and the mpc equals 0.9. Using the information above, if taxes increase by $10, then the equilibrium aggregate output will change by $__________ .

7- Assume a closed economy. Suppose that autonomousconsumption equals $400, plannedinvestment equals $500, government expenditure equals $200, net taxesequals $50, and the mpc equals 0.9. Using the information above, if government increases their spending by $50 and increases net taxes by 50, then equilibrium aggregate output will change by $ ________ .

8- Assume a closed economy. Suppose that autonomousconsumption equals $400, plannedinvestment equals $500, government expenditure equals $200, net taxesequals $50, and the mpc equals 0.9.If net exports increase by 100 and the mpc is 0.75, equilibrium aggregate output increases by $ ______ .