Poland

PiS is on the verge of a famous victory that would allow it to govern without the restraints of a coalition partner

Third anti-government demonstration in a week could build into a movement Podgorica will find it hard to control

Polish assets, in particular the zloty and equity markets, are likely to come under strain if PiS wins the election

Polish and Hungarian growth will lag robust Czech performance this year

The EU's Greek and migrant crises expose many of the same weaknesses facing the bloc

Minor parties could hold balance in post-election coalition-forming

The EU's current asylum system is overwhelmed, but member states differ too widely for easy reform

The migrant crisis will dominate the continent's politics