Joe Carens’s The Ethics of Immigration is just the book that the growing field of the political theory of migration needed. Rich in argumentation, wide in its coverage, fluently and reflectively written, it will act as a locus of, and focus for, discussion and debate.
It is also a book with a distinctive methodological structure. In the first part, Carens presupposes ‘(1) the contemporary international order which divides the world into independent states with vast differences of freedom, security, and economic opportunity among them and (2) the conventional moral view on immigration, i.e., that despite these vast differences between states, each state is morally entitled to exercise considerable discretionary control over the admission of immigrants’ (p.10) and seeks to reconstruct how liberal democratic states should, in acting on their own deepest commitments, treat immigrants. In the second part, Carens focuses on admission and in the final two chapters drops this presumption of state control and re-articulates his well-known argument for open borders. In this commentary, I will focus on the first part of the book.
The arguments of the first part build to Carens’s theory of social membership (chapter 8) on which I’ll focus but we should preface this discussion by noting how they build to this theory. Carens is committed to a contextualist form of political theory that works from the ground up. The discussions of birthright citizenship, permanent residents, temporary worker, irregular migrants can be seen as the cases from which Carens is attempting to reconstruct a norm of social membership that will make coherent sense of our democratic practices of social and political membership. The norm that Carens reconstructs is ‘that living within the territorial boundaries of a state makes one a member of society, that this social membership gives rise to moral claims in relation to political community, and that these claims deepen over time.’ (p.158)
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