Or when one deliberately retards the production in order to keep high prices and they even brag about it. How is that not "price fixing"?!
First of all: this is not how prices work :-D
Samsung limits production and keeps high prices. There's no implication in either way. They could make twice as much RAM and set even higher prices.
Second: no, this is not "price fixing". A company can make how much they want (can) and ask how much they want.
How do you know which price is "right" aka not too high or too low? Why do you think the price Samsung asks now is too high? Maybe their price is the only proper one? Maybe everyone else are dumping?
Third: Samsung has 50% market share. Other manufacturers may still sell their stuff at lower prices. Or they may follow Samsung and get higher margins.
The important fact is: that's still not "price fixing".
For this situation to be illegal, these companies would have to
meet unofficially (in conspiracy) and
make an agreement that they'll keep the prices high and improve margins. So to prosecute anyone, you'd need a proof of this cooperation. Just the fact that everyone suddenly sells stuff for twice as much as they used to is not enough, because this can happen in a legal way as well.
I'm accenting the "conspiracy" element, because it's vital as well. We have institutions and groups that are officially controlling volume and prices on some goods (like OPEC).
Also, most countries have limits on quantity and prices for agricultural products (and other as well).
This is not "price fixing" aka a crime. This is just fixing prices aka improving profits.
In many countries creating cartels like OPEC is illegal. This is also true for the whole EU, so, for example, no EU country would be able to join OPEC.
However, OPEC is not seen as a criminal organisation as such. OPEC's HQ is in Vienna.
might aswell make them $1000 per 8gb stick, no one is going to buy memory at these prices anyway
Wrong. Almost everyone will buy RAM at the price it's currently available for.
Sure, a gamer who builds his own rig can delay some decisions. But that's what... few % of the market?
Also, isn't Samsung still the only dependable source of RAM for AMD Ryzen owners (at least those that OC)?
In that case there is a group that won't have a choice.
So by your definition, they are price fixing, one company limits production, and the other colluding manufacturers have agreed to maintain the high prices, even if they do ramp up production, in fact, they now have an excuse to raise prices further.
No. They would have to cooperate - meet and decide for how much they'll sell. If Samsung raises prices and everyone else just follow, that is not price fixing.