A new study has revealed that a United Ireland will cost €20 billion a year for 20 years. That is according to a new research paper by the Institute of International and European Affairs think-tank.  

But are these figures accurate and is unification worth the cost? 

Kieran was joined by Editor of An Phoblacht and the former General Secretary of Sinn Féin, Robbie Smyth and Newstalk Business Editor, Joe Lynam to discuss...