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#3247使用道具
发表于 2022-3-30 16:45 资料 短消息 加为好友
帅哥哥，猫妹妹，事实上多回复有好处，很大很大的好处，多点分，多点权限。

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the
notion that information is a key friction to trade, its corollary that the diffusion of
information will follow an intrinsically dynamic process, and the fact that geography matters for trade in a specific way—this paper offers a very different perspective
on international trade compared to traditional models.