1 Estimating the time varying NAIRU in Iran By Abbas Valadkhani UNE Business School, University of New England, Armidale NSW 2351, Australia Mehdee Araee School of Economics, University of Wollongong, NSW 2522, Australia Abbas Valadkhani, Professor of Macroeconomics BEco, MEc (UT) PhD (UQ) UNE Business School University of New England Armidale NSW 2351 Australia Phone: +61 2 6773 2524 Email: abbas@une.edu.au http://www.une.edu.au/business-school/