Figure 13-4 $D _ { 1 }$ To $D _ { 2 }$

Multiple Choice

Figure 13-4. On the horizontal axis of the graph, L represents the quantity of loanable funds in billions of dollars.
-Refer to Figure 13-4. Which of the following events could explain a shift of the demand-for-loanable-funds curve from $D _ { 1 }$ to $D _ { 2 }$ ?

A) The tax code is reformed to encourage greater saving.
B) The tax code is reformed to encourage greater investment.
C) The government starts running a budget deficit.
D) The government starts running a budget surplus.