At least for industrial states like Michigan, Ohio, Penn, Wisconsin, the jobs and factories they lost will never comeback. The US economic problem is mainly caused by its mountains of trade and budget deficts, this problem is structural, long term and unsolvable. The US government has tried everything they can, cutting rates, cutting taxes, giving money to families, but these won't help much because most products sold in the US are produced in other countries. So even if Americans receive a bit money from their goverment, they will spend it on buying made-in-china cheap stuffs after paying some of their debts