ineq.2d - Two-Dimensional Decomposition of the Theil Index and the Squared
Coefficient of Variation
Decomposition of income inequality by groups formed of
individuals possessing similar characteristics (e.g., sex,
education, age) and their income sources at the same time.
Decomposition of the Theil index is based on Giammatteo, M.
(2007) <https://www.lisdatacenter.org/wps/liswps/466.pdf>.
Decomposition of the squared coefficient of variation is based
on Garcia-Penalosa, C., & Orgiazzi, E. (2013)
<doi:10.1111/roiw.12054>.