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@@ -30,6 +30,8 @@ GGini; GTheil; GCOV
 * Standard deviation 
     * deviations from norm in *absolute* terms
 
+* Foster-Greer-Thorbecke (FGT) poverty headcount ratio: absolute deprivation, proportion of population that falls below defined poverty line (= absolute threshold) [@Go2010]
+
 ### Relative
 
 1. **Share:**