1. Which of the following is the clearest example (according to the lessons of Adam Smith) of when government should attempt to interfere, in some manner, with a market outcome?

1. When people use their earnings to buy vaping products.
2. When the market outcome generates neither negative, nor positive externalities.
3. When people sell generators on the side of the road during hurricanes for twice what they paid for them.
4. When businesses pay wages that are too low to support a family.
5. When banks charge high interest rates to people with poor credit scores.