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evoluzione said:
you also need to take into account technology, and the ease/cost of production etc...

I don't think you do. Those are the *explanations* for the difference in adjusted price between then and now. If you "take into account" everything that changed between then and now, then your "model" will have the price being the same then and now. But that's just circular reasoning.

What's more fair, I think, though, is to purely compare the cost to comparable consumer goods, such as other media items like books and maybe movies, and not to other consumer goods with wildly different price trajectories. Also,

I think Chip's point is really good, too, though. You have to adjust prices based on the demographics of cd-buyers...not everyone's wages have gone up according to the model the CPI people use.
 
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