 Facts and figures about UK taxes, benefits and public spending.
Income distribution, poverty and inequality.
Analysing government fiscal forecasts and tax and spending.
Analysis of the fiscal choices an independent Scotland would face.
Case studies that give a flavour of the areas where IFS research has an impact on society.
Reforming the tax system for the 21st century.
A peer-reviewed quarterly journal publishing articles by academics and practitioners.
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We show that an agent maximizing some utility function on a discrete (as opposed to continuous) consumption space will obey the generalized axiom of revealed preference (GARP) so long as the agent obeys cost efficiency. Cost efficiency will hold if there is some good, outside the set of goods being studied by the modeler, that can be consumed by the agent in continuous quantities. An application of Afriat's Theorem then guarantees that there is a strictly increasing utility function on the discrete consumption space that rationalizes price and demand observations in that space. Search |
 View all IFS Working Papers in the series
Recent IFS Working Papers
Female labour supply, human capital and welfare reform
We consider the impact of tax credits and income support programs on female education choice, employment, hours and human capital accumulation over the life-cycle.
The drivers of month of birth differences in children's cognitive and non-cognitive skills: a regression discontinuity analysis
This paper uses data from a rich UK birth cohort to estimate the differences in cognitive and non-cognitive skills between children born at the start and end of the academic year.
The impact of age within academic year on adult outcomes
We provide the first evidence on whether differences in childhood outcomes translate into differences in the probability of employment, occupation and earnings for adults in the UK.
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