When economists make a. positive statements, they are speaking not as scientists but as forecasters. b. positive statements, they are speaking not as scientists but as policy advisers. c. normative statements, they are speaking not as policy advisers but as model-builders. d. normative statements, they are speaking not as scientists but as policy advisers.

When economists make normative statements, they are speaking not as scientists but as policy advisers.

Option: (D)

Explanation:

In the view of economists, certain topics cannot be referred to as rigid or certain. When they have to propose their opinion with reference to such topics, they usually choose to render normative statements. Through normative statements, they only put forth a value judgment describing the desirability or undesirability of the condition. These statements are not deemed as enforceable neither need to be given due emphasis.