May 23rd 2011, 15:52 by E.G. | AUSTIN

But the state's underlying goal (access to human capital or cheap labour, say) is not necessarily the same as the immigrant's. Via immigration policy, the state can establish rules and incentives which bring the immigrants more or less in line with the state goals, as in Canada. That's not possible with unauthorised immigration. So the problem with illegal immigration is not that it's illegal, exactly, or even that immigration itself is undesired. The problem is that the state wants the capacity to select and steer the immigrants it receives

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