It's good enough.
No, I don't think so.
But all you really need to know is that regardless of how easy or hard it is to guess how a business will do, the market will ensure that you're competing with other people who are really good
This can be applied to anything from looking for a job to dating.
So, no, that's not all you really need to know.
You wouldn't expect to be able to do job X better than a professional if you don't have any training, would you?
Also, economists say the same about the job market. If you don't have any particular advantage for any given job, you can't easily beat the market and make more money by picking a high-paying job. If a job made more money without some kind of cost attached, people would keep going into it until it stops working.
I guess there is more to the market. It's something that scales well, so doing it on a small scale is especially bad. It takes exactly as...
Another month, another rationality quotes thread. The rules are: