q=e.+%E8%B5%AB%E5%B0%94%E6%99%AE%E6%9B%BC%28elhanan+helpman%29%E8%91%97&searchType=standard&isFacet=true&view=standard&searchWay=author&rows=10&sortWay=score&sortOrder=desc&searchWay0=marc&logical0=AND
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E. 赫尔普曼(Elhanan Helpman)著