In his analysis, during Japan's economic miracle in the 1950's, the world economic situation was good, the price of oil was low, they were able to transfer a lot of technology from the U.S., and they had no defense expenditures.
他分析，日本在一九四○至五○年代「白手起家」時，世界經濟景氣、油價低，並從美國轉移了很多技術，又沒有國防預算，可投入全部人力、財力發展經濟，「四面逢源，佔盡好處」，葉萬安形容。