> Not sure why you’re being downvoted.

If you're asking in good faith, it's because so far neither of you have backed up the assumption that increased demand for raw materials won't lead to increased supply of them.

Silicon (for solar) isn't rare.
Lithium (for batteries) isn't rare.

> If the prices are high for the end product, more companies get into the market to try and make some money.

Yes, and why does this not apply when the end product is "silicon" and the market is "mining"?

Maybe there are significant restrictions there, but that's not something you can expect people to take on faith.

Because while you use great logic with "if there is bigger demand for batteries there will be more companies making batteries", you completely fail to apply this exact same logic to mining lithium to increase supply and increased demand to it.

And once it is a competition for the material the profit goes down and the excess companies leave the market, and it gets dominated by the most efficient, leaving the most efficient companies to once again try and offer the lowest cost product that now has a much higher bar for entry into said market because of the inherent advantage created by being able to make it cheaper...

At least finish your theoretical model