The North Korean economy has been a statistical black hole for decades but is undergoing substantial transformations. Rapid post-war industrialisation was not sustained beyond the mid-1960s and South Korea’s economy far outpaced North Korea’s during the next three decades, during which trend...

Urbanisation in China has long been held back by various restrictions on land and internal migration but has taken off since the 1990s, as these impediments started to be gradually relaxed. People have moved in large numbers to richer cities, where productivity is higher and has increased...