2World Bank.Global economic prospects:assuring growth over the medium te rm. http://www.worldbank.org/contentydam/Worldbank/GEP/GEP2015a/pdfs/GEP15a_web_full.pdf . 2015
3IMF.World economic outlook WEO -legacies,clouds,uncertainties. http://www.imf.org/extemal/pubs/ft/weo/2014/02/pdf/text.pdf . 2014