Solution Manual For Macroeconomics by Stephen D Williamson Guaranteed Pass

Macroeconomics Solution Manual by Stephen D Williamson | Expert-Verified Solutions Macroeconomics - answer - Study of the economy as a whole (output, employment, price level) Microeconomics - answer - Study of individual households, firms, and markets Two main concerns of macro - answer - Short-run fluctuations in output and employment, and long-run economic growth Business cycle - answer - Short-run fluctuations in output and employment Long-run trend - answer - The long-term average growth in business activity over many years Demand shock - answer - Unexpected change in households' and businesses' desire to buy goods and services Supply shock - answer - Unexpected change in the ability of firms to produce and sell goods and services Sticky prices - answer - Prices that stay in place, at least for a while, even though demand or supply has changed Flexible prices - answer - Adjust quickly to demand and supply changes Price war - answer - One firm lowers its price and rivals respond by lowering theirs Fiscal policy - answer - Government taxes and spending Monetary policy - answer - Central bank control of money and interest rates GDP - answer - Market value of all final goods and services produced within a country in one year Final goods - answer - Bought by end users (counted) Intermediate goods - answer - Used to make other goods (not counted) Multiple counting - answer - Counting the same output more than once; avoided by counting only final goods or value added Value added - answer - A firm's output value minus the value of inputs it bought from other firms Transfer payments - answer - Payments with no good or service in return (Social Security, unemployment benefits); not in GDP Nominal GDP - answer - Current prices Real GDP - answer - Adjusted for price changes Gross investment - answer - All spending on new capital goods and inventory Net investment - answer - Gross investment minus depreciation Depreciation - answer - Wearing out of capital Potential GDP - answer - Output at the natural rate Inflation - answer - Rise in the general price level Recession - answer - Decline in real GDP lasting several months or more Natural rate of unemployment (NRU) - answer - Frictional plus structural; cyclical is zero GDP (expenditures) - answer - C + Ig + G + Xn Xn - answer - Exports − Imports NDP - answer - GDP − Depreciation DI - answer - Personal income − Personal taxes (so PI = DI when personal taxes are zero) Price index - answer - (Cost of basket in current year ÷ Cost in base year) × 100 Inflation rate - answer - (Index new − Index old) ÷ Index old × 100 Growth rate - answer - (GDP new − GDP old) ÷ GDP old × 100 Real GDP per capita - answer - Real GDP ÷ Population Per capita growth - answer - GDP growth − Population growth Rule of 70 - answer - Years to double = 70 ÷ Annual growth rate Labor productivity - answer - Real GDP ÷ Hours of labor Labor force - answer - Working-age population × Participation rate Unemployed - answer - Unemployment rate × Labor force Unemployment rate - answer - Unemployed ÷ Labor force × 100 Participation rate - answer - Labor force ÷ Working-age population × 100 NRU - answer - Frictional + Structural GDP gap - answer - Actual GDP − Potential GDP Okun's law - answer - Each 1 percentage point of unemployment above the natural rate means about a 2% GDP gap Real interest rate - answer - Nominal rate − Expected inflation Real income - answer - Nominal income ÷ Price index (in hundredths) C - answer - a + bY (b = MPC) S - answer - DI − C APC - answer - C ÷ DI; APS = S ÷ DI; APC + APS = 1 MPC - answer - ΔC ÷ ΔDI; MPS = ΔS ÷ ΔDI; MPC + MPS = 1 Multiplier - answer - 1 ÷ MPS = 1 ÷ (1 − MPC) ΔGDP - answer - Multiplier × Initial change in spending Slope of consumption schedule - answer - ΔC ÷ ΔDI = MPC; slope of saving schedule = MPS = 1 − MPC APC at an income level - answer - C ÷ income Labor force size - answer - Depends on the working-age population and