Model-based recursive partitioning to estimate unfair health inequalities in the United Kingdom Household Longitudinal Study

Publication type

Research Paper

Series Number

596

Series

ECINEQ Working Paper Series

Authors

Publication date

December 15, 2021

Summary:

We measure unfair health inequality in the UK using a novel data- driven empirical approach. We explain health variability as the result of circumstances beyond individual control and health-related behaviours. We do this using model-based recursive partitioning, a supervised machine learning algorithm. Unlike usual tree-based algorithms, model-based recursive partitioning does identify social groups with different expected levels of health but also unveils the heterogeneity of the relationship linking behaviors and health outcomes across groups. The empirical application is conducted using the UK Household Longitudinal Study. We show that unfair inequality is a substantial fraction of the total explained health variability. This finding holds no matter which exact definition of fairness is adopted: using both the fairness gap and direct unfairness measures, each evaluated at different reference values for circumstances or effort.

Subjects

Link

https://ideas.repec.org/p/inq/inqwps/ecineq2021-596.html


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