E pluribus tunum : from: ›Depczyk

Illustration based on the supply and demand curves for an article by Saugato Datta.
"Uniform prices for online music are no way to maximise profit "
made: 2009-10-21
keywords: ›ecfoc ›supply ›demand ›curve ›bargain ›price ›profit ›loss ›staircase ›note ›music ›tune ›stairs ›climb ›fall ›money ›gain ›lose