a) Disposable income is lower, so saving is decreased. The supply of loanable funds
curve shifts leftward.
b) People are wealthier, so they save less. The supply of loanable funds curve shifts leftward.
c) Expected future income is lower, so people save more. The supply of loanable funds curve
shifts rightward.
d) The quantity of saving increases. There is an upward movement along the supply of loanable
funds curve but no shift in the curve.