Sorry, I'm busy at the moment http://www.cbartes.net/stmap_42b69nw.html nifedipine webmd Facts are available. Inasmuch as they tell us anything quantifiable, it is that the net economic impact of immigration is positive. Immigrants put in more than they take out. I donât pretend the balance sheet is the only thing that matters. The effects of immigration are not evenly distributed nationwide. There are questions about language, community cohesion and cultural identity.