“…The Power Resources Theory (PRT) argues that countries with strong left parties who represent working and middle classes' interests will have a more generous welfare state (Stephens, 1976;Korpi, 1978;Huber & Stephens, 2001;Bradley, Huber, Moller, Nielsen, & Stephens, 2003;Huber, Nielsen, Pribble, & Stephens, 2006 Kelly and Witko, 2012).…”