Christina Boswell is Senior Lecturer in Politics at the School of Social and Political Studies, University of Edinburgh.

'… this is an outstanding work of social science. As a result of its empirical and, above all, its theory-building ambitions, the volume deserves a wide readership not only of migration scholars but of all social scientists with an interest in policy processes and the role of knowledge in those processes … It cannot be recommended highly enough.' James Hampshire, Journal of Ethnic and Migration Studies

• List of figures and tables; Acknowledgements; Part I. The Political Functions of Knowledge: 1. The puzzle: explaining the uses of knowledge; 2. Instrumental knowledge and organizational legitimacy; 3. The symbolic functions of knowledge; 4. The uses of knowledge in public policy debates; Part II. The Case of Immigration Policy: 5. The politics of immigration in Germany and the UK; 6. The British Home Office; 7. The German Federal Office for Migration and Refugees; 8. The European Commission; 9. Organizations and cultures of expertise; Part III. Extending the Theory: 10. Knowledge and policy; References; Index.

Christina Boswell is Senior Lecturer in Politics at the School of Social and Political Studies, University of Edinburgh.

'… this is an outstanding work of social science. As a result of its empirical and, above all, its theory-building ambitions, the volume deserves a wide readership not only of migration scholars but of all social scientists with an interest in policy processes and the role of knowledge in those processes … It cannot be recommended highly enough.' James Hampshire, Journal of Ethnic and Migration Studies

• List of figures and tables; Acknowledgements; Part I. The Political Functions of Knowledge: 1. The puzzle: explaining the uses of knowledge; 2. Instrumental knowledge and organizational legitimacy; 3. The symbolic functions of knowledge; 4. The uses of knowledge in public policy debates; Part II. The Case of Immigration Policy: 5. The politics of immigration in Germany and the UK; 6. The British Home Office; 7. The German Federal Office for Migration and Refugees; 8. The European Commission; 9. Organizations and cultures of expertise; Part III. Extending the Theory: 10. Knowledge and policy; References; Index.