Refer to the Diagram $I D _ { 2 }$ , in Place?
A) a Lower Interest Rate
B) a Investment

Multiple Choice

Refer to the diagram. Which of the following would increase investment while leaving an existing investment demand curve, say
$I D _ { 2 }$ , in place?

A) a lower interest rate
B) a higher interest rate
C) lower expected returns on investment
D) higher expected returns on investment