>Both Western Europe and capitalist Asia (Japan, Singapore, South Korea) also had near full employment with quality jobs during this period.
That seems off to me right away, because the major investment in South Korea didn't come until later. Certainly not in the 50's. In the mid 60's South Korea was still going through shifts towards industrialization.
Also Singapore was not well in the 50s and 60s. It got full independence in 1965, and (from the speech of Lee Kuan Yew), erratic electricity, only half of the population access to sewage system. The economy picked up only afterwards.
That seems off to me right away, because the major investment in South Korea didn't come until later. Certainly not in the 50's. In the mid 60's South Korea was still going through shifts towards industrialization.