State per-capita income change since 1950: sharecropping's collapse and other causes of convergence
1989 ◽
Vol 83
(2)
◽
pp. 567-573
◽
Keyword(s):
2012 ◽
Vol 2
(3)
◽
pp. 100-102
Keyword(s):
Keyword(s):
Keyword(s):
2021 ◽
pp. 002072092098350