Razin and Sadka (1999) show that unskilled immigration is beneficial to all income and all age groups in society, even if immigrants are net beneficiaries of the welfare system. Among other things, this result rests on the assumptions that immigrants have the same reproduction rate as the native...

Williamson, Jeffrey G.; Yousef, Tarik M.: Demographic transitions and economic performance in the Middle East and North Africa. - S. 16-36 Rashad, Hoda; Khadr, Zeinab: New challenges in the demography of the Arab region. - S. 37-61 Ali, Ali A.; Elbadawi, Ibrahim A.: Poverty in the Arab world: the...