#13 Aggregate Demand II: Applying The IS-LM Model Flashcards
Fiscal Policy
Increase in G
Increase in G
IS curve to right
Income rises
Interest rate rises
Fiscal policy
Tax cut
Decrease in Taxes
IS curve to right
Income rises
Interest rate rises
Monetary policy
Increase in M
Increase in money supply
LM down
Income rises
Interest rate falls
Congress increases G
Fed Responses
- Hold M constant
- Hold r constant
- Hold Y constant
Congress increases G
Hold M constant
Increase in G —> IS curve to right
Money supply constant —> LM curve same
Income and interest rate rise
Congress increases G
Hold r constant
Increase in G —> IS to right
Keep r constant —> increases money supply
Increases money supply —> LM to right
Congress increases G
Hold Y constant
Increase in G —> IS curve to right
Keep Y constant —> decrease money supply
Decrease money supply —> LM to left
IS shocks
Exogenous changes in the demand for goods and services
- Stock market boom or crash
- Change in business or consumer confidence/expectations
LM shocks
Exogenous changes in the demand for money
- Switching to cashless methods
- More ATMs reduce money supply
Pigou effect
Prices go down, money supply go up —> income goes up
The destabilizing effects of unexpected deflation
Debt-deflation theory
P goes down unexpectedly
Transfers pirchasing power from borrowers to lenders
Borrowers spend less, lenders spend more
Aggregate spending falls —> IS curve to left, Y down
Liquidity trap
Situation where interest rates have fallen to 0, and it is possible that (conventional) monetary policy is no longer effective
Unconventional monetary policies
- Forward guidance - policy of announcing furure monetary actions
- Quantitative easing (QE) - buying of long term gov debt, mortage-backed securities, corporate/state debt, etc