The sin but not the sinner

End of exam session, time to report a few "pearls of wisdom" found in student papers.

Logical
Answer: A breach is efficient when one of the parties is inefficient.

Research sponsored by Microsoft?
Statement: Contrary to competition, economics thinks that the best market structure is monopoly.

Think out of the (X)-box
Strategies: a good strategy for videogame makers is one-way compatibility: the videogame is compatible with the console. Alternatively, they can use two-way compatibility: also the console is compatible with the videogame.