TY  - BOOK
AU  - Richardson,J.David
AU  - Zhang,Chi
TI  - Revealing comparative advantage : chaotic or coherent patterns across time and sector and U.S. trading partner?
AV  - HF1411 R523R
PY  - 1999///
CY  - Cambridge, Mass
PB  - National Bureau of Economic Research
KW  - COMPARATIVE ADVANTAGE (INTERNATIONAL TRADE)
KW  - UNITED STATES
KW  - COMMERCE
ER  -