Monetary Policy Graphs (1 of 2) - Macro 4.6

Monetary Policy and Its Impact on Aggregate Demand

Understanding the Supply and Demand for Money

• The Federal Reserve (FED) sets the supply of money, while individuals determine the demand for it, leading to an equilibrium interest rate.

• This equilibrium interest rate influences investment levels in the economy; higher rates discourage borrowing, while lower rates encourage business expansion.

Connection Between Investment and Aggregate Demand

• Investment is a crucial component of aggregate demand; changes in interest rates directly affect investment levels.

• In cases of recessionary gaps (producing less than full employment GDP), increasing the money supply can help close this gap by lowering interest rates.

Steps to Address a Recessionary Gap

• Increasing the money supply leads to lower interest rates, which subsequently boosts investment and shifts aggregate demand to the right. This results in higher price levels and greater output, effectively closing the gap.

• It’s essential to understand each link in this chain reaction: increased money supply → decreased interest rates → increased investment → increased aggregate demand → higher price level/output.

Tools Used by the FED to Increase Money Supply

• The FED has three primary tools for increasing the money supply:

• Lowering reserve requirements.

• Reducing discount rates.

• Buying bonds from financial institutions. Each action contributes to expanding monetary policy effectiveness.