Consider the Following Model of the IS Curve Without an International

Multiple Choice

Consider the following model of the IS curve without an international sector:
Consumption:
;
Investment:
And
Government expenditure:
With this formulation, the IS curve is:

A) horizontal.
B) vertical.
C) less steeply sloped than the "standard" IS curve.
D) more steeply sloped than the "standard" IS curve.
E) Not enough information is given.