The Korean peninsula during the Cold War provided a cruel but historically unparalleled real-world "experiment" in the relationship between polity and material advance: an ethnically and culturally homogenous nation was, in 1945, suddenly divided by an arbitrary boundary line and then subjected to two radically different and adversarial political economies for successive decades on end. Assessing the competition between the North and South Korean economies from partition to the end of the Soviet era, Nicholas Eberstadt argues that the storyline is not quite as simple as the now-prevailing...