State per Capita Income Differentials: 1940 and 1950
2000 ◽
Vol 102
(2)
◽
pp. 285-302
◽
Keyword(s):
1979 ◽
Vol 39
(1)
◽
pp. 101-112
◽
Keyword(s):
1965 ◽
Vol 25
(4)
◽
pp. 686-690
◽
Keyword(s):
Keyword(s):
2012 ◽
Vol 2
(3)
◽
pp. 100-102
Keyword(s):