new oconomic geography的用法和樣例：
例句
- Finally, some comparisons are prov ided between Krugman's ideas and the conventional economic geography.
最後，對克魯格曼經濟地理學與常規地理學的不同之處作以比較。 - He opened up the study of trade under increasing returns and imperfect competition and later resuscitated the study of economic geography.
他開創了在收益遞增和不完全競爭框架下的貿易理論，之後又復興了經濟地理學的研究。
