Category: Lecture Notes
Herfindahl Index
$$ H=\sum_{i=1\ldots N} (S_i)^2 $$ (where $$S_i$$ is share of group $$i$$, and $$N$$ is number of groups)
Ethnolinguistic Fractionalization Index
$$ {ELF}=1-H $$
$$ H=\sum_{i=1\ldots N} (S_i)^2 $$ (where $$S_i$$ is share of group $$i$$, and $$N$$ is number of groups)
$$ {ELF}=1-H $$