That's acknowledged in the second-to-last paragraph from the article: > Now of course, we should consider the argument that Seattle’s economic growth has been

That's acknowledged in the second-to-last paragraph from the article: > Now of course, we should consider the argument that Seattle’s economic growth has been so strong that it overwhelms any negative effects from the higher minimum wage. No one should ignore that possibility and we will be among the first to acknowledge that this could be the case. We may never know for sure, because in economics you don’t get a chance to run control experiments; you only have the facts at hand.