tests the hypotheses using data on adult males from the Longitudinal Survey of Immigrants to Australia. The theoretical … includes data on pre-immigration occupation, the "first" occupation in Australia (at 6 months) and the occupation after about 3 ….5 years in Australia. The hypotheses are supported by the empirical analysis. …

concentrated. Testing the model for Australia shows that the extent of geographic concentration of immigrant groups is negatively … related to age at migration, duration of residence in Australia and the proportion of the birthplace group that is fluent in … the country of origin and the place of residence in Australia. …

, Australia and Germany. We demonstrate that any of these regimes has severe shortcomings even if positive externalities are …