悬赏 20 个论坛币 已解决
【作者(必填)】Yamamoto Y, Kondo K, Sasaki J
【文题(必填)】Will the growth rate of Japan’s rice productivity decline to zero percent in the future? A nonparametric analysis on total factor productivity, technicalchange and catching-up effect
【年份(必填)】2007
【全文链接或数据库名称(选填)】