Why could the Japanese economy recover so quickly after the country was defeated in the Second World War?

Have you heard about the GHQ? It means the General Headquarters during the occupation of the Allied troops from 1945 to 1951 after the WW2. The top man was General McArthur of the United States Army. His mission was the complete democratization of Japan. So the answer to the question is partly due to the GHQ's democratic policies such as a famland reform, the Antimonopoly Act and the dissolution of the Zaibatsu(financial groups). This helped Japan reconstruct itself as a competent nation. Another reason for the rapid economic recovery was the occurrence of the Korean War in 1950. It gave Japan tokujyu, special procurements. High standards of education also helped Japan acquire new technology and redevelop its industry.