The concept of pot odds assumes that if you make a bet with favorable pot odds many times, you will win more than you lose in the long run.
Does this logic apply in tournaments when your chip stack is low compared to the bet. For instance, assume you have only 1000 chips, and the bet is 700, but the pot odds are in favor, but with a 30% chance of winning. This doesn't seem to be reason to call since if you lose your 700, you won't be able to win it back again. I would therefore think you should want more than usual pot odds to make this call worth while.
Is there a revised theory of pot odds that takes into account how much money you have in relation to the bet size?