A college professor suspects that two students helped each other cheat on the last exam, on which they both earned high A's, but she does not have ironclad proof. She decides to employ the prisoner's dilemma to see if she can get one or both of the students to crack. Describe what she might do. Then, using this scenario, describe why cooperation is both beneficial and risky.

The idea of the prisoner's dilemma is the aim for two persons to strike a balance between cooperativeness and competition.

Explanation:

Once the teacher finds out that there has been two persons copying in her class test she can give them the following option to  confess:

This will be sure to get a confession of some sort. But I believe if you suspect copying this is a very high energy way to solve that problem for the professor. Simply give both of them zero and write the reason. The will react according to their accountability.