For at least half a century, and building on observations first made a century earlier, the gravity model has been the most commonly‐used paradigm for understanding gross migration flows between regions. This model owes its success to, firstly, its intuitive consistency with migration...

International migrants are widely recognised as agents of institutional change in their home countries. However, the huge growth in temporary migration in recent years demands a fresh investigation of this phenomenon. Theoretically, a country's diaspora constitutes one of the four principal...