If you do use dynamic pricing and you measure things carefully you can compute/deduce the price-demand function. It's not a straight line, as most people would intuit and that article assumes for simplicity, but the analysis in that article can be applied to non-linear systems. Dynamic pricing allows you to start that analysis.
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Related: http://news.ycombinator.com/item?id=488663
If you do use dynamic pricing and you measure things carefully you can compute/deduce the price-demand function. It's not a straight line, as most people would intuit and that article assumes for simplicity, but the analysis in that article can be applied to non-linear systems. Dynamic pricing allows you to start that analysis.