Some time ago one of the editors (Gordon Tullock) stumbled on a paradox in the competition for rents. He asked a previous research assistant (William Hunter) to work out some examples and gave a seminar on it. For reasons he cannot recall (but probably bad) he titled his talk 'Efficient Rent Seeking'. As Editor of Public Choice he was able to publish without a referee. Incidentally, The Journal of Political Economy had turned it down on the grounds...