All that is definitely true, but it would be impractical to keep every listing open for years and years on end on the off chance that any given game will be one of the few with an a-typical sales pattern. As you said, these things are hard to predict, and that serves as a double edged sword, so it were. (I hate that analogy...anyone who knows how to use a sword would never be dumb enough to cut themselves with it.... but I digress)
Anyway, my point is that the vast majority of the time the SE is fairly accurate. But there's no denying that there are examples where SE can't do the job, because things do sometimes happen later in a games life. That's why I think there needs to be some sort of system where under special circumstances a game can be RE listed. Although that would pose a complication in and of itself....notifying people that a game has been relisted, giving people their shares back, etc. Or maybe go through the whole process of price determination a second time? I don't know.
Or maybe it could be similar to how we can sometimes bid on the sales of games for specific months. What if even a year and a half after a PC game has been delisted, with the news of an expansion we could bid on how many units the expansion will add to the sales of the original, via boxed sets etc. Not actually bidding on the sale of the expansion mind you, but on the effect that it will have on the sales of the original.
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All that is definitely true, but it would be impractical to keep every listing open for years and years on end on the off chance that any given game will be one of the few with an a-typical sales pattern. As you said, these things are hard to predict, and that serves as a double edged sword, so it were. (I hate that analogy...anyone who knows how to use a sword would never be dumb enough to cut themselves with it.... but I digress)
Anyway, my point is that the vast majority of the time the SE is fairly accurate. But there's no denying that there are examples where SE can't do the job, because things do sometimes happen later in a games life. That's why I think there needs to be some sort of system where under special circumstances a game can be RE listed. Although that would pose a complication in and of itself....notifying people that a game has been relisted, giving people their shares back, etc. Or maybe go through the whole process of price determination a second time? I don't know.
Or maybe it could be similar to how we can sometimes bid on the sales of games for specific months. What if even a year and a half after a PC game has been delisted, with the news of an expansion we could bid on how many units the expansion will add to the sales of the original, via boxed sets etc. Not actually bidding on the sale of the expansion mind you, but on the effect that it will have on the sales of the original.