1. Buenos Aires. Population and citizens of Buenos Aires.Buenos Aires - capital of Argentina and second largest metropolis in South America. The population of Buenos Aires is approximately 3 million. (Forstall, Greene and Pick) Most of the population is made up of Spaniards and Italians. About 30% - and mixed-race representatives of other nationalities, among which are the Jewish, English, Armenian, Japanese, Chinese, Arab and Korean communities. There are also migrants from neighboring countries, mainly Bolivia and Paraguay. (Hidalgo, Bengochea, Abilleira, Cabrera and Alvarez) The natives of Buenos Aires have a half-humorous nickname - Porteno. The population of the capital and its suburbs is growing rapidly, thanks in part to immigration and guest workers from Bolivia, Paraguay, Peru and other neighboring countries. The city is very multicultural, but the main separation occurs along class communities and not along racial lines, as in the USE study. Evidence on the impact of immigration on the labor market. "Workers, location decision wage differences across arbitrage regions. Empirical evidence that immigrants improve labor market efficiency by providing additional and complementary labor. Generally speaking , immigration does not harm the host labor market or the economy most studies on the impact of immigration on the labor market were concerned with the effect of immigration on wages. and not on labor market participation or unemployment Borjas (2003) noted that the impact of wages varies from one study to another, but “clusters around zero which contradicts the theoretical prediction”. downward pressure to what extent... middle of article ...... in the future this essay can be completed in different spheres like education, economy, crime , etc. Bibliography: “Which are the biggest? Why publish the populations of the world's major urban areas vary so much", City Futures Conference, (University of Illinois at Chicago, July 2004) – Table 5 (p.34) "Immigration in Buenos Aires | Bsas4U | Bsas4U. Np, and Web. December 12, 2013. The search engine. InfoWeb.net. December 9, 2011. “Culture of Argentina.” Countries and their cultures. Np, ndRyan McEntee “Immigration to Argentina and its effects on Argentine culture. » Lewis, Daniel K. “The History of Argentina.” Westport, Conn.: Greenwood Press, 2001. “Estimating Genetic Admixture in the Uruguayan Population Based on the Loci LDLR, GYPA, HBGG, GC, and D7S8.” » KAMLA-RAJ COMPANIES. Np and Web.