China’s policy of restraint (avoidance of crippling economic sanctions) towards North Korean provocation is typically explained in terms of geopolitical concern with North Korean regime stability. The strategic and diplomatic costs of restraint would suggest the presence of non-geopolitical influences behind China’s approach. Ideational explanations emphasise the persistence of shared socialist identity as well as the traditional Sino-centric worldview as shaping influences. There is much less detailed analysis of how China views North Korea’s political economic evolution and how this view has changed over time to produce fluctuations in the bilateral relationship. In order to capture China’s motivations more fully, I introduce two addition...