All economies have sub-units across which economic productivity, growth, and dynamism vary considerably. Indeed, differentials in the quality of governance and policies seem persistent, even in economies that perform pretty well overall.
你也许会质疑德拉吉的建议在欧盟环境下是否具有政治可行性。即使答案是肯定的，也还有必要性问题。所有经济体都有次结构，这些次结构的经济生产率、增长和活力彼此大不相同。事实上，治理质量和政策差异似乎是持久存在的，即使总体表现相当漂亮的经济体也是如此。