Germany and the rest of the euro region are bracing for more Greek political upheaval followed by tortuous negotiations, even if the country votes for more austerity in Sunday¡¯s referendum.

There is no quick fix to the crisis because European Union rules make talks on financial aid difficult to restart, according to an official in Chancellor Angela Merkel¡¯s government.

Adding to the murky landscape are polls showing the outcome of the referendum on austerity was too close to call.