It's easy to make more money: just drink more! In particular, drink socially with friends (drinking at home alone has no apparent correllation with making more money, even though I'm positive it must have some impact). The Journal of Labor Research says social drinking boosts your income, so it must be true right? It's always nice to run into an article that casts your weaknesses as strengths and your addictions as good habit.
Let's count the cognitive biases and logical fallacies in this study, just for fun.