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Many types of qualitative predictions and judgments in economics can be made without any special expertise. One doesn't have to have a PhD to realize that if something that's worth $100,000 is divided into 1,000 shares, the shares can't be worth $1,000 each no matter what the market price for them happens to be, nor to understand that a sudden drop of share price to $100 would not represent any real loss of wealth.
If you dispute any of my reasoning, kindly explain your specific objections. I've tried to be simple and straightforward, but I may have missed something.