“…However, its implementation requires changes to current data collection instruments and a better understanding of the relevance and suitability of relative deprivation theory for the region. Among the shortcomings of the method, literature has focused on the effect of adaptive preferences in contexts of deprivation (Nussbaum, 2001) but no evidence of this problem was identified in this case (similar results can be found, for example, in Nandy and Pomati, 2015;UNICEF, 2019;Lau et al, 2019;Saunders and Naidoo, 2020). Regarding empirical issues, difficulties might be associated with the need for frequent revisions of the set of indicators, as well as the use of a relatively longer, and to some extent, more complex questionnaire, than those usually employed.…”