Jake brings his Xbox home over winter break and leaves it there, thinking he will study more in the spring without it around. Jake is:
Multiple Choice
trying to compensate for the time-inconsistency of his desire to study more, but temptation to play video games instead.
forcing his behavior to match economic theory.
not acting rationally, since what he really wants is to play games all day.
demonstrating that he has forgotten the fungibility of money.