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International migration in the long-run : positive selection, negative selection and policy
Hatton, Timothy J., (2004)
The new comparative economic history : essays in honor of Jeffrey G. Williamson
O'Rourke, Kevin Hjortshøj, (2007)
Labour market integration and the rural-urban wage gap in history
Hatton, Timothy J., (1991)
Unemployment, implicit contracts, and compensating wage differentials : Michigan in the 1890s
Hatton, Timothy J., (1990)