On a scale running from 0 to 10, people in over 150 countries, surveyed by Gallup over the period 2010-12, reveal a population-weighted average score of 5.1 (out of 10). Six key variables explain three-quarters of the variation in annual national average scores over time and among countries. These six factors include: real GDP per capita, healthy life expectancy, having someone to count on, perceived freedom to make life choices, freedom from corruption, and generosity.
经济自由是一种自在感 这是量客观条件
[ 本帖最后由 楚越 于 2015-4-24 18:18 编辑 ]
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