<s>
In	O
statistics	O
and	O
econometrics	O
,	O
the	O
mean	B-General_Concept
log	I-General_Concept
deviation	I-General_Concept
(	O
MLD	O
)	O
is	O
a	O
measure	O
of	O
income	O
inequality	O
.	O
</s>
