TY  - BOOK
AU  - Balassa,Bela
TI  - A "stages" approach to comparative advantage
T2  - (World Bank Staff Working Papers; 256)
AV  - ERB PAM HF1411.B22192 
PY  - 1977///
CY  - Washington
PB  - International Bank for Reconstruction and Development
KW  - Comparative advantage (International trade)
KW  - Commercial policy
KW  - Economic development
ER  -