“…The next subsection presents some of the most important absolute approaches (Eichengreen et al, , 2013Felipe et al, 2012;Aiyar et al, 2012) followed by a selection of relative definitions (Woo, 2011;World Bank, 2012;Agénor et al, 2012;Im and Rosenblatt, 2013;Bulman et al, 2014;Robertson and Ye, 2015). Tables 2a and 2b then summarize the different definitions, the middle-income ranges, the database used and the covered period of the absolute approaches and the relative approaches, respectively.…”