Dynamic scoring – taking full account of all the economic effects of policies when estimating their budgetary effects – is almost self-evidently attractive. But it is formidably difficult to achieve. This paper assesses the key conceptual and practical challenges it poses and considers the...

<p><p>Income Tax and National Insurance are now sufficiently similar that merging them appears to be a plausible option, yet still sufficiently different that integration raises significant difficulties. This paper surveys the potential benefits of integration - increased transparency and reduced...</p></p>

This paper reviews various techniques for quantifying financial incentives to work, shows how financial work incentives have changed across the population since 1979, and estimates how much of these changes are due to changes in the tax and benefit system.

Based on the best available theory and evidence, the Mirrlees Review sets out a comprehensive set of proposals for tax reform. While focused on the UK, its analysis and conclusions bear directly on the policy debate in other developed countries. The Review proposes a move to a more neutral tax...

The UK government is in the process of introducing a radical package of welfare reforms that it hopes will encourage more people to work as well as reducing government expenditure. The largest structural change planned is the introduction of universal credit to combine six existing means-tested...