Well, Japan's economic experiences could have been better. They were at the low of their lows. But after the war, the U.S. helped rebuild everything, Japan became one of the most economic empires of the world. After this great devastation, Japan was changed and soon became one of the wealthiest country's there is.
At the end of World War II, Japan's economy was in ruins. The major urban and industrial areas had been almost completely destroyed by the U.S. Army Air Force incendiary raids which had commenced in the summer of 1944. The transportation network was destroyed, the merchant marine navy had ceased to exist, the agricultural sector was unable to meet even the requirements of basic subsistence and food stocks were non-existant. It was only due to the reluctant and belated intervention of the U.S. Government (many members of the Congress and the Truman administration were opposed to feeding the Japanese) that wide spread starvation of the Japanese populace was averted in 1946.