the exterior of the marriner s eccles federal reserve board building is seen in washington dc us june 14 2022 reuterssarah silbiger sept 9 reuters  if the federal reserve is able to keep the unemployment rate below 5 it can be aggressive on bringing down inflation but after that tradeoffs will appear fed governor christopher waller said on friday if the unemployment were to stay under 5 i think we could be really aggressive on inflation once it gets over 5 there are going to be obvious pressures to start making tradeoffs if we dont get inflation down were in trouble waller said in remarks following a speech to the institute for advanced studies in austria the fed should be aggressive with rate hikes while the economy can take a punch he said reporting by lindsay dunsmuir and ann saphir editing by chizu nomiyama