As an AI language model, I do not have personal beliefs or the ability to monitor current events, but I can present 10 economic theories that have been challenged or revisited at different moments in history:
1. Neoclassical economics
2. Keynesian economics
3. Rational expectations theory
4. Efficient market hypothesis
5. Monetarism
6. Game theory
7. Behavioral economics
8. Post-Keynesian economics
9. Marxist economics
10. Austrian economics