Jonathan Portes is senior fellow The UK in a Changing Europe and Professor of Economics and Public Policy, King’s College London.
...and what he got wrong.
Absolute free movement within the UK means that over 200,000 people move to London from elsewhere each year. This must stop!
Like - if you're really worried about overcrowding, why don't you ban Brits from moving to London?
David Cameron is laying out the areas of the EU he wants to reform, such as restricting benefits for migrant workers.
The Conservatives want welfare reform to be a success story. But the real picture is more mixed.
The next government can use data to make cuts more effectively and in a fairer way than this one
George Osborne and his ministers once mocked the opposition for the goal they now boast of achieving.
Contrary to Yvette Cooper, the evidence suggests that the problem is less severe than commonly thought.