The negative consequences could be that there would be more homeless people on the street (and not because we couldn't get jobs), There could also be rioting in the streets.
Hope that helps with a few Ideas.
The question is asking for a kind of theory or framework that assumes that increasing a contact within groups will diminish conflict or negative behaviour between the groups.
The answer is: contact hypothesis.
This hypothesis basically states that if people have contact with other people, they won't think about them as "the other" but will have an increased understanding and positive association with them.
In this situation, the externalities that arise from studying is the unability to enter college and obtain good-paying jobs.
From the description above, we can conclude that Jacob is much more likely to experience these externalities since he does not consider the importance of studying and how it might influence his future.
Answer:
speak slowly and clearly in order that the other person can understand you
