Published by Mark Smith-HalvorsenThe €30 billion rescue package for Greece will place a disproportionate burden on the countries that can least afford to be taking on more debt, according to the Telegraph.Economics correspondent Ambrose Evan-Pritchard writes that while Germany can borrow at a little over three per cent, yields on Portuguese ten-year bonds stand at 4.94 per cent."In a rational world, Brussels would tap the EU's AAA rating to issue cheap "Barroso Bunds" to cover rescue costs. But we are not in a such a world," he comments.The aid deal will also deepen the north-south divide in the union, while also strengthening calls for fundamental reforms the Maastricht Treaty, the charter for the Economic and Monetary Union.Tübingen Professor Joachim Starbatty commented: "A 'transfer union' is a bottomless pit and is bound to threaten currency stability. That is what we are going file."In foreign exchange trading this morning, the euro climbed to a one-week high against the yen as Japanese investors bought up the single currency, encouraged by Greece's formal request for aid over the weekend.For more information on foreign exchange treasury services and risk management, visit our Corporate FX site