Research
His research focuses on international trade, economic growth, and the political economy of trade policy. He frequently collaborated with Gene Grossman. Elhanan Helpman is one of the founders of the new trade theory and endogenous growth theory which both emphasize economies of scale and imperfect competition. In the field of political economy his research focuses on how the interaction of lobby groups and politicians shapes trade policy. More recently his works study the relationship between international trade and the organization of firms.
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“Men talk, but rarely about anything personal. Recent research on friendship ... has shown that male relationships are based on shared activities: men tend to do things together rather than simply be together.... Female friendships, particularly close friendships, are usually based on self-disclosure, or on talking about intimate aspects of their lives.”
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