About Wu Wenchao
About Graduate school of Life and Environmental Sciences, University of Tsukuba
About Shuto Hisato
About Faculty of Life and Environmental Sciences, University of Tsukuba
About Japanese Journal of Rural Economics (Web)
About East Asia
About foreign trade
About food
About property
About information network
About correlation
About index number
About variation
About network
About one-directional
About social network
About 産業内貿易
About Grubel-Lloyd指数
About structural change
About reciprocity of network
About intra-industry trade
About food trade in East Asia
About Food in general
About 東アジア
About 食品
About 市場
About 産業
About ネット
About 一方向
About 貿易
About 分解