2.3.4.2b - Injections: • investment • government expenditure • exports

Injections:; investment; government expenditure; exports.

Use b - injections: • investment • government expenditure • exports to connect the rule to the data and decision in the question.

This matters because b - injections: • investment • government expenditure • exports determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply b - injections: • investment • government expenditure • exports to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: b - Injections: • investment • government expenditure • exports is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.