It is the same spelling of the word, but the first is a noun and the second is a verb. Yay for homonyms :) If you want to avoid repeating that word you could

It is the same spelling of the word, but the first is a noun and the second is a verb. Yay for homonyms :) If you want to avoid repeating that word you could go with "The ware on wages is being conducted by..." I'm sure there's other, equally good ways to phrase this, too.