Most of the businesses in Varris suffered as a result of the sudden change regarding non-elves. A lot of business were run by those same citizens and many others relied on their employees who were a mix of different races. The only places that did not suffer were those that just so happened to only employ elves, or those that were run by purists prior to the change.
The hardest hit types of businesses were blacksmiths and transport companies. Most of the blacksmiths were elves, since Aedridan elves were basically born to forge, or at least that's what all the elven blacksmiths claim. When massive swaths of the workforce that did transport work were exiled from most parts of the city, the smiths could not get the import of the necessary raw materials to continue their work.