求翻译：新兴古典经济学是20世纪80年代以来由杨小凯等人创立的新的经济学流派。在新兴古典经济学中，贸易是个体专业化决策和社会分工所带来的直接结果，贸易的原因是分工和专业化引发和强化的内生优势。是什么意思？

New classical economics since the 1980s by the Xiaokai, who founded a new school of economics. In the new classical economics, trade, specialization is an individual decision-making and social division of labor brought about by the direct result of trade due to specialization and division of labor c

Emerging classical economics is Since the 1980s of the 20th century by Yang xiaokai and others founded the new economics of genres. In the context of the emerging classical economics in decision-making, trade is an individual specialization and division, as a direct consequence of the trade is trigg

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New classical economics was founded by Yang Xiao kai, who since the new in the 1980 of the 20th century School of economics. New classical economics, the trade was brought about by the decisions of individual specialization and Division of the direct results, raised trade due to the Division of labo

The new developing classical economics is that Yang Xiaokai,et al. creat new economics schooled since the eighties the 20th century. In the new developing classical economics, the trade is individual specialized decision and direct result that the division of labor in society brings, and the special