从历史的观点来看,服务产业的比重过大,发达国家的经济成熟阶段就会到来。日本必须谋求国内同海外投资的平衡。从康德拉捷夫的长期波动理论来看,到21世纪,技术革新将会走上正轨,世界经济将会出现第二个长期繁荣的局面;由于美国财政赤字缩小,储蓄率停止下降,日元升值和美元 From a historical point of view, the proportion of service industries is too large, and the mature stages of economy in developed countries will come. Japan must seek a balance between domestic investment and overseas investment. From the long-term canyon theory of Kondratosis, by the 21st century, technological innovation will be on the right track and the world economy will see its second long-term prosperity. As the U.S. deficit shrinks, the saving rate ceases to drop and the Japanese yen appreciates And the dollar