An Econometric Study of International Trade Flows.
1967 ◽
Vol 130
(1)
◽
pp. 132
1967 ◽
Vol 33
(4)
◽
pp. 633
◽
2019 ◽
Vol 32
(1)
◽
pp. 3684-3699
Keyword(s):
1993 ◽
Vol 69
(3)
◽
pp. 239-252
◽