Feenstra advanced iinternational trade第二版英文代码数据


1>.1972-2001 U.S. export data - ASCII
2>.1972-1988 U.S. export data - Original data
3>.1972-2006 U.S. import data-SAS and STATA


1>.1972-2001 U.S. export data - ASCII
2>.1972-1988 U.S. export data - Original data
3>.1972-2006 U.S. import data-SAS and STATA