Economic theories can be a real headache. Keynesian economics, for example, is like a double-edged sword. On the one hand, he advocates government spending to stimulate the economy during downturns, but on the other hand, it can lead to inflation if not managed properly. As for the classical model, it's all about the free market, and that's good, but in our complex world it doesn't always stand up to criticism. Have you researched any online courses or tutors that could help with this? Perhaps this is a way to get a clearer picture of things.