The root cause has been Latin America’s slow—or even negative—growth in productivity, according to a new study by economists at the Inter-American Development Bank*.

根据美洲开发银行经济学者的最新研究报告，根本因素就是在于拉美国家的生产力成长缓慢—甚或负成长。

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Social identity theory suggested that group identity was the basis of inter-group attitudes, ethnic identity was too strong to lead to negative intergroup attitudes.

社会认同理论认为群体认同是群体间态度的基础，过分的民族认同容易产生消极的民族间态度。

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