1. Give an example of a positive externality you experienced or produced recently. Explain why it is a positive externality. 2 . Give an example of a negative externality you experienced or produced recently. Explain why it is a negative externality. 3. Are any of the externalities you described above causing severe problems? If so explain why. What solution would you propose to deal with this problem? 4 . Are externalities efficient? Explain clearly..