general economics questions for you: 1. What is economics and why is it important? 2. What are the basic principles of supply and demand? 3. What is an opportunity cost and how is it calculated? 4. What is the difference between microeconomics and macroeconomics? 5. How does the law of diminishing returns apply in economics? 6. What is inflation and how does it impact the economy? 7. What are the different forms of market structures and how do they differ? 8. How are taxes and government spending used to influence the economy? 9. What is the role of the Federal Reserve in managing the U.S. economy? 10. What are externalities in economics and how can they be addressed?