If you are a student who needs some extra cash, sign up for the Creed Experiment. (Who doesn't? If that's you, call me.) The Creed experiment is 'The Center for Research in Experimental Economics and Political Decision-making', a research institute at the Faculty of Economics and Econometrics. It is located in the building across the street from the Kriterion cafe and cinema. Here's what you do: register (with your student #), then search open sessions, or experiments. The experiments are like simple games that allow you to earn real money. You will often make choices that can affect the earnings of others. I have found that working for the common good is the surest way to come away with a good payout (up to 50 euros!, but also 4, once), and also, makes you feel good:) Otherwise, try to take from the others and you'll eventually end up with less, too. It's your choice!