This paper uses revealed preference restrictions and nonparametric statistical methods to bound true cost-of-living indices. These are compared to the popular price indices including the type used to calculated the UK RPI. This is used to assess the method of calculating the RPI for substitution...

With the COVID-19 lockdowns and the ongoing cost-of-living crisis, the importance of the early years system for children and their parents has been made particularly obvious over the last few years. In this report, we analyse how public spending on early childhood education and care has changed...