Mark Littlewood features in The Guardian
In the article, Mark makes the point that cuts to welfare need to done in a way that is not unfair to the working age-population. Tax credits have resulted in high effective marginal tax rates, which means that the incentive to move into full-time work is reduced. Proper reform as opposed to salami-slicing the value of tax credits is required if we are going to encourage people into work and see households benefited more widely.
You can read the article in full here.