Negativeand positive externalities of airline industry

Find two sources to help you answer the following questions about the airlines industry :
o Research any negative or positive externalities the industry produces.
i) Does the transaction of a buyer and seller directly affect a third party? Is the effect a negative or positive externality? Explain.
o Research whether the industry produces public goods or common resources.
i) Are the goods or resources rival, excludable, or neither? Explain.

? Organize your research for this week using the Annotated Bibliography