Dude where's my border? UK, Irish and EU trade post-Brexit

The question of the Irish border has been one of the most contentious issues in the Brexit negotiations between the UK and the EU. Boris Johnson has claimed that his Brexit deal is the best of all worlds, maintaining frictionless trade between Northern Ireland and the Republic, and Northern Ireland and the rest of the UK. But is this case? What does the settlement reached in the Brexit Withdrawal Agreement actually mean for trade between Great Britain, Northern Ireland, the Irish Republic and the rest of the EU? To unravel these issues, Chris Horseman is joined by L. Alan Winters, Professor of Economics and Director of the UKTPO; Michael Gasiorek, Professor of Economics and Fellow of the UKTPO; and John Campbell, BBC Northern Ireland’s Business and Economics Editor.