galleries lower their prices, the chains will lower their prices
"to stay ahead of the competition," and the competition will
in turn lower their prices yet again - until no artwork or artist
value exists.
With how connected and competitive the Internet has
made the art industry, artists cannot be represented at one
value and then be purchased for nearly half somewhere
else. If artists all over the world were sold at constantly
changing values, how would anyone ever have security in
the investment of the piece and the price asked.  This
scenario has been tried and tested in past times where the
only results were the hurting of artists' reputations and the
near total ruination of the art industry.  Because of this
harsh lesson, neither publishers nor artists give discount
incentives to chain galleries.
But you will notice galleries (usually in malls) will
have the price crossed out and marked at 40, 50, and 60
percent off.  This is a clear indication of one of two
possibilities. Either you're looking at a "mark down scam."
Where the art works are grossly overpriced to begin with
and then slashed down price tags used to indicate a
"discount," or the pieces available were bought in a
publisher's clearance.  These clearances occur when the
publisher is going out-of-business and as a result, the artist's
reputations and values suffer great losses or the artist's
career is now over or was never established.  The dead
inventory is liquidated, reducing each piece to only fractions
of their original value.
Unlike jewelry or clothes, the art market is not a retail
industry with high markups. Art has a general appreciation
in values, and established re-sellers market; because of this
it can take a long time for a piece to double in value. As the
industry is set up today you never see viable artists or
publishers giving any gallery patron a 50% discount from a
works' established value. It's unheard of!