Unlike life, you've got more or less complete control over what's going on in your stories. That's not to say you can make characters do whatever you want them to - they usually have a life of their own if you've done your job properly.
I have as much chance of becoming Prime Minister as of being decapitated by a frisbee or of finding Elvis.
You cannot carry on forever squeezing the productive bit of the economy in order to fund an unprecedented engorgement of the unproductive bit.