I think this is a common misconception. Various tests have asked ordinary people to determine what wine is expensive and what isn't. They can't. (Also, if peop

I think this is a common misconception. Various tests have asked ordinary people to determine what wine is expensive and what isn't. They can't. (Also, if people know a wine is expensive, they don't enjoy it more. They enjoy it less. At least according to one well controlled study: http://www.wine-economics.org/aawe/wp-content/uploads/2012/10/Vol.3-No.1-2008-Evidence-from-a-Large-Sample-of-Blind-Tastings.pdf http://www.wine-economics.org/aawe/wp-content/uploads/2012/1...) That doesn't mean that very fine distinctions between wines cannot be independently and blindly detected by both experts and amateurs.