I have seen some of the open air varieties but enclosed malls don't seem to be fading anywhere where there is a good economy. I have seen pictures of a few closed ones but there usually are strip malls and similar gone as well as the whole area is suffering from depression.

As for the open air commons style, again only where there was money to support stores but if recent remodels of some local streets is any indications the businesses who attracted attention in the first place usually get driven out as the costs go up as after the "fixing it up" suddenly the tax base goes up or if renting their rent becomes too high.