Trade creates wealth. Profits direct businesses toward activities that increase wealth. Competition increases efficiency and innovation. Taxation and regulation discourage production and destroy wealth . Political decision-making favors plunder over production.
Central planning wastes resources and retards economic progress.
As a policy debater or extemper you are a spinner of tales. And you must ply your art better than the speakers who come before or after you in the round. The best, most believable story usually wins. But beneath the surface every good debate or extemp speech has the hallmarks of a good tale. And this is where economics comes in.