The Case for a progressive Tax: Diamond, Saez: http://elsa.berkeley.edu/~saez/diamond-saezJEP11full.pdf
Should the Top Marginal Income Tax Rate Be 73 Percent?
http://www.aei.org/files/2012/11/19/-should-the-top-marginal-income-tax-rate-be-73-percent_085518416524.pdf
http://johnhcochrane.blogspot.co.uk/2012/11/taxes-and-cliffs.html
Why the Poles keep coming - British welfare trap
http://blogs.spectator.co.uk/fraser-nelson/2012/12/exposing-the-british-welfare-trap/
