Answer:
Positive Statements: 1st & 2nd ; Normative Statements: 3rd & 4th
Explanation:
Positive Economics is <u>objective</u> & <u>facts</u> based <u>actual</u> economic issue description , explaining verifiable phenomenas (causal relationships).
Normative Economics is <u>subjective</u> & opinion based conclusive <u>solutions</u> to economic issues, including '<u>ought to be</u>' unverifiable suggestions.
1. Lung cancer kills millions of people each year: reflects actual objective verifiable fact about an economic (health) issue.
2. Too many people smoke: denotes another actual objective variable fact connected to (potential cause of) the above economic (health) issue.
So , these two are Positive Statements.
3. If the government were to increase taxes on cigarettes, fewer people would smoke : Is subjective opinion based probable solution to the above economic (health) issue.
4. The government should increase taxes on cigarettes : Is an 'ought to' suggestion for an economic participant (govt) to solve the above economic (health) issue.
So , these two are Normative Statements