“…To provide a contextual background of our empirical analysis, we first recognize that the WDS was designed to remedy the regional income inequalities documented in the extant literature (e.g., Jian et al, 1996;Wu, 2001;Grewal and Sun, 2002;Lin and Liu, 2005;Kanbur and Zhang, 2009;Fleisher et al, 2010;Huang and Todd, 2010;Li and Wei, 2010). Further, infrastructure investments gained national policy priority in the 1980s (Jin, 1994).…”