What are the 3 functions of money?
Medium of exchange, unit of account, store of value.
Why is money better than barter?
It reduces transaction costs and eliminates the need for a double coincidence of wants.
What makes a good medium of exchange?
Portability, divisibility, durability, uniformity, and acceptability.
What is commodity money?
Money with intrinsic value (e.g., gold, silver).
What is fiat money?
Money that has value because the government declares it legal tender.
What is M1?
Currency + demand deposits (most liquid money).
What is M2?
M1 + savings deposits + time deposits + money market funds.
What is liquidity?
How easily an asset can be converted into cash without loss of value.
How does inflation affect money as a store of value?
High inflation reduces purchasing power, weakening money’s store-of-value function.
What is the present value (PV) concept?
The current worth of future cash flows discounted at the interest rate.
Simple loan future value formula?
FV=PV(1+i)
Four types of credit market instruments?
Simple loans, fixed-payment loans, coupon bonds, discount bonds.
What is yield to maturity (YTM)?
Interest rate equating present value of payments to bond price.
Relationship between bond price and yield?
Inversely related — when prices rise, yields fall.
What is current yield?
Annual coupon divided by current price.
What is interest rate risk?
Risk that bond prices fall when interest rates rise.
What is real interest rate?
Nominal interest rate minus expected inflation (
𝑟=𝑖−𝜋𝑒
Why are shorter-term bonds preferred when rates rise?
They carry less price risk.
What are the main determinants of asset demand?
Wealth, expected return, risk, and liquidity.
How does wealth affect bond demand?
↑ Wealth → ↑ Demand for bonds.
How do expected returns affect bond demand?
↑ Expected return → ↑ Demand.
How does risk affect bond demand?
↑ Risk → ↓ Demand.
How does liquidity affect bond demand?
↑ Liquidity → ↑ Demand.
What is market equilibrium in the bond market?
When quantity demanded = quantity supplied (Bd = Bs).