Economist: Government intervention in the free market in pursuit of socially desirable goals can affect supply and demand, thereby distorting prices. The ethics of such intervention is comparable to that of administering medicines. Most medicines have harmful as well as beneficial effects, so the use of a type of medicine is ethically government intervention in the free market is justified only when it _______.
What this question is testing
Your task
Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.
Common trap
Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.
Winning move
Predict what a right answer must do, then test each choice against the conclusion-evidence gap.
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