Using counterfactual microsimulations, Shapley decompositions of time change in inequality and poverty indices make it possible to disentangle and quantify the relative effect of tax-benefit policy changes, compared to all other effects including shifts in the distribution of market income....

This paper examines the distributional impacts of the changes to benefits, tax credits, pensions and direct taxes between the UK Elections in May 2010 and in May 2015. It also looks ahead to the longer-term effects of changes and plans that were announced by the 2010-2015 Coalition government,...