Week 3: Short-term economic fluctuations and the Keynesian model Flashcards
Output gap
Measures how far output is from its normal level
Potential output (potential GDP)
Amount of output (real GDP) that an economy can produce when using its resources at normal rates.
Output gap formula
100[(Y-Y)/Y*]
Expansionary gap
Positive output gap where resources are utilized above normal rates.
Contractionary gap
Negative output gap where resources are utilized below normal rates.
Planned Aggregate Expenditure (PAE)
Total planned spending on final goods and services. PAE = C + G + I^P + NX
Marginal Propensity to Consume (MPC)
Amount by which consumption rises when current disposable income rises by one dollar.
PAE formula
Cbar - cTbar + I^P + G + X + [c(1-t)-m]Y