“…Because of heterogeneity in cross country data, some studies emphasize on subnational data in inequality and growth nexus (Kennedy et al, 2017;De Dominicis et al, 2008;Naguib, 2015). There are several evidences that studies use sub-national data from the US (Benos and Karagiannis, 2017;Fallah and Partridge, 2007;Frank, 2009), Sweden (Rooth and Stenberg, 2012), Australia (Kennedy et al, 2017) and Turkey (Gungor, 2010). Researcher uses sub-national data used multi-year interval data, and Kennedy et al (2017) contributed in this issue, who used annual sub-national data of income inequality from Australia for the period of 1942-2013.…”