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...

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...