I don't see why it would affect that. Trade is mostly affected by exchange rates. With no more public debt being created and a self-regulating supply of money determined only by demographics, I don't see why 'speculation' in the currency would even be undertaken--except perhaps to be bought as a 'safe haven'. That would strengthen the currency, making imports cheaper. The deleterious affects of a stronger currency on the domestic economy as a whole at present--higher interest rates and relatively more unemployment (due to fewer exports)--would not arise. If you can think of other specific issues that could arise, I would genuinely like to be apprised.