which of the following expenditures to enhance productivity is most likely to emit a positive externality?\n…

which of the following expenditures to enhance productivity is most likely to emit a positive externality?\n a. state farm insurance buys a new computer.\n b. shell oil leases a new oil field.\n c. united van lines buys a new truck.\n d. nicole pays her college tuition.
Answer
Brief Explanations:
A positive externality occurs when an action benefits third - parties not directly involved. When Nicole pays her college tuition, she gains knowledge and skills that can benefit society in the long - run through innovation, better citizenship, and contributions to the workforce. The other options are mainly private business investments that primarily benefit the companies themselves.
Answer:
d. Nicole pays her college tuition.