Increasing Costs (iii) Differences in Factor Proportions
Keyword(s):
1980 ◽
Vol 7
(4)
◽
pp. 521-539
◽
Keyword(s):
2009 ◽
Vol 50
(4)
◽
pp. 409-423
◽
Keyword(s):
2015 ◽
Vol 95
(1)
◽
pp. 42-53
◽