进入八十年代以后,随着人民消费的减少和中小企业设备投资的停滞,日本的国民经济日渐萧条。也由于住宅投资和国内对纸张需求量的减少,木材工业的生产能力受到很大的冲击。从国内市场对木材供需两方面的予测来看,由于人民对住宅面积提出的更高要求和土地价格的日趋昂贵,导致人民获得住宅的能力进一步降低,住宅施工面积也大幅度减 Since the 1980s, Japan’s national economy has been declining as people’s consumption has been reduced and investment in SME equipment has stagnated. Due to the decrease in residential investment and domestic demand for paper, the productivity of the wood industry has been greatly affected. From the forecast of the supply and demand of timber in the domestic market, due to the higher demands of the people on the housing area and the increasing price of land, people’s ability to acquire housing has been further reduced, and the area of ​​residential construction has also been greatly reduced.