Development Economics 研究内容：研究人类社会各个历史时期、不同国家或地区的经济活动和经济关系发展演变的具体过程及其特殊规律的学科。它为总结历史经验和预见未来社会经济发展趋势提供依据，也为研究各个历史时期形成的经济思想、学说、政策提供历史背景。
经济史按地域范围划分，有国别经济史(如中国经济史、英国经济史等)，地区经济史(如欧洲经济史、拉丁美洲经济史等)，世界经济史(以世界为整体，研究世界经济的形成和发展)；按部门或专业来区分，有农业发展史、工业发展史、银行发展史等；按历史分期，有古代经济史、近代经济史、现代经济史之分。关于世界经济现状及其发展趋势的研究，实际上属于现代经济史范围。经济史如同理论经济学一样，要受研究者的阶级立场、观点、方法的影响。
Development Economics is the branch of economics that studies developing countries. While there is no generally accepted definition of "developing countries," the expression refers to relatively poor countriesr countries where standards of living are relatively low on average. There is agreement that most relatively poor countries are located in three geographical areas: Sub-Saharan Africa, South Asia, and Latin America. Relatively poor countries, however, are also found in East Asia (e.g., China and Vietnam), Central Asia (e.g., Armenia and Kazakhstan), Eastern Europe (e.g., Bulgaria and Romania), and the Middle East and North Africa (e.g., Iraq and Algeria). Conversely, Latin America includes a number of relatively rich countries (e.g., Argentina and Chile).
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