Böwer, Uwe (contributor); … - 2006
.
Turning to the trade structure, the trade specialisation indicator reflects the cross-country differences in
ten export … imports,
denoted by BTTij.
1
1 T ijt ijt jit jit
ij t
it it jt jt
x m x mBTT
T x m x m=
+ + +=
+ + +∑ ,
where xijt denotes … scaling variable which gives
1
1 T ijt ijt jit jit
ij t
it jt
x m x mBTY
T y y=
+ + +=
+∑ .
The variable trade openness is …