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...

We present a model of wage contract violation that implies a possibility of multiple equilibria in the level of arrears. Positive feedback arises because each employer's arrears affect the costs of late payment faced by other employers operating in the same labor market, resulting in a network...