A growing literature on inference in difference-in-differences (DiD) designs with grouped errors has been pessimistic about obtaining hypothesis tests of the correct size, particularly with few groups. We provide Monte Carlo evidence for three points: (i) it is possible to obtain tests of the...

As a result of the Child Poverty Act (2010), current and future governments are committed to reducing the rate of relative income child poverty in the UK to 10% by 2020-21. This paper looks in detail at the progress made towards this goal under the previous Labour administrations. Direct tax and...

A growing literature on inference in difference-in-differences (DiD) designs with grouped errors has been pessimistic about obtaining hypothesis tests of the correct size, particularly with few groups. We provide Monte Carlo evidence for three points: (i) it is possible to obtain tests of the...

The goals of income transfer systems in the US and the UK for low-income families are to reduce poverty and welfare dependency and encourage work. Both the US and UK have made in-work benefits a key part of their strategy through the Earned Income Tax Credit (EITC) and Working Families' Tax...

The recent surge in inflation, driven by spectacular increases in energy prices, has driven sharp falls in household living standards, huge government intervention to try to mitigate it, and serious policy headaches. As such it continues to be the backdrop behind many of the most pressing issues...

Personal Independence Payment (PIP) is a disability benefit that aims to support individuals facing higher living costs due to difficulties in mobility or carrying out everyday tasks. In summer 2021, each month 15,000 or so working-age people started a PIP claim. That monthly figure had remained...

Policy-makers have increasingly turned to 'in-work transfers' to boost incomes among poorer workers and strengthen work incentives. One attraction of these is that labour supply elasticities are typically greatest at the extensive margin. Because in-work transfers are normally subject to...