So just read the paper and it's pretty much as described in the article. In the model random events happen to individuals, a doubling of capital for a good even

So just read the paper and it's pretty much as described in the article. In the model random events happen to individuals, a doubling of capital for a good event and a halving for a bad event. The probability of a good or bad event is a constant defined by the "talent" score. This seems pretty nonsensical since you can tune the model parameters to reach any conclusion you like.