How would you explain this?

• What are the financial markets and what purposes do they serve?
• What are financial intermediaries? How do these intermediaries function in the economy?
• What is a federal government budget deficit? What is the national debt? How does a budget deficit affect the economy?
• Why are consumers considered to be risk-averse? What methods could be used to deal with risk?
• It has been said that a dollar received today is worth more than a dollar received tomorrow. What does this mean and what is the significance to the economy?
• What is the difference between the present value of a future sum of money and the future value of a present sum of money? What is the significance of these concepts to economics?
• If you deposited $1,000 in an account paying 6% interest compounded annually, how long would it take to double?