They always exist in the minds of the investors/buyers. Saying they *"don't exist''* is again theoretically correct. What I mean the determination of current prices isn't just the outcome of one thing. It has a lot of other factors too. 

"most" manipulated... as opposed to the _other_ prices that _aren't even prices_ (i.e., don't exist)...?

denlillaapan

econ

MONEY CLASS OF THE DAY: Market Efficiency: You Come Into MYYYYY HOUSE?!

Sorry, I missed to detail it. I mean it for 
> They are effective at finding the current price.

I think if that's a theoretical assumption, it's bullshit. I'm not that good in economics but as investor, I've always believed that the current prices determined by the so called equilibrium are the ones most manipulated. 

 