TY  - JOUR
TI  - Estimating Trade Flows: Trading Partners and Trading Volumes *
AU  - Elhanan Helpman
AU  - Marc J.. Auteur du texte Melitz
AU  - Yona Rubinstein
JO  - The Quarterly Journal of Economics
PY  - 2008
VL  - 123
IS  - 2
DO  - 10.1162/qjec.2008.123.2.441
UR  - https://doi.org/10.1162/qjec.2008.123.2.441
ER  -