“…4 Finally, emigration increases the home country's exposure to new political values and practices, be it directly, through contacts with return migrants and relatives abroad, or indirectly, through the broader scope of diaspora networks. Such networks have been shown to foster bilateral trade, investment and knowledge ‡ows (see Docquier and Rapoport, 2012, for a review of this literature) and to contribute to the transfer of fertility norms (Fargues, 2007, Beine, Docquier and Schi¤, 2013, Bertoli and Marchetta, 2013 and to the di¤usion of preferences for democracy.…”