These 21 national case studies of internal migration were written especially for this unusual and useful volume. . . . The resulting blend of the general and the particular, especially when viewed across the 21 countries, will be useful to a wide range of basic and applied social scientists....

The coordination of the various social security systems of the EU Member States is one of the most important achievements of European integration. This regime became a model for the whole world. Nevertheless, it has some shortcomings which are analysed in this book. Bent Greve (Roskilde)...