“…The Chinese government alternated between periods of more and less restrictive migration policies (Zhao, 2004, Fujita et al, 2004, Chan and Buckingham, 2008World Bank, 2008, ch 5, andChan, 2009) but ever since the 1950s the so called Hukou system has been a main feature of its internal migration policies. Although the system might have become somewhat less restrictive over time it is still very much a prominent characteristic of the Chinese labor market (see f.i.…”