Game theory: EU negotiations

Thanks to tutor2u for this
http://www.tutor2u.net/economics/blog/game-theory-and-camerons-eu-deal?utm_medium=email&utm_campaign=Economics%20daily%20digest%20Sat%2027th%20February%202016&utm_content=Economics%20daily%20digest%20Sat%2027th%20February%202016+CID_06c5ecc2f256646bb2d994aff8d13783&utm_source=CampMonitor&utm_term=Game%20Theory%20and%20Camerons%20EU%20Deal%20The%20Brussels%20deal%20would%20Cameron%20have%20done%20better%20if%20he%20had%20gone%20to%20Cambridge