腐败对经济增长率和外国投资的影响
Influence of corruption on economic growth rate and foreign investments
摘要：
为了研究政府的反腐败法规是否会影响一个国家的经济增长，我们分析了人均国内生产总值（GDP）增长率与腐败感知指数（CPI）变化之间的依赖关系。1999-2004年期间，世界上所有国家的平均值，我们发现，CPI每增加一个单位，导致人均国内生产总值每年增加1.7%。通过仅对欧洲转型国家进行回归，我们发现$Δ$ CPI = 1会使年度人均GDP增长2.4%。我们还分析了不同国家获得的外国直接投资与CPI之间的关系，我们发现人均外国直接投资与CPI衡量的国家腐败水平之间存在统计上显著的幂律函数依赖关系。我们引入了一种新的衡量标准，以人均GDP衡量各国各自的财富，量化各国之间的相对腐败。
英文摘要：
In order to investigate whether government regulations against corruption can affect the economic growth of a country, we analyze the dependence between Gross Domestic Product (GDP) per capita growth rates and changes in the Corruption Perceptions Index (CPI). For the period 1999-2004 on average for all countries in the world, we find that an increase of CPI by one unit leads to an increase of the annual GDP per capita by 1.7 %. By regressing only European transition countries, we find that $Δ$CPI = 1 generates increase of the annual GDP per capita by 2.4 %. We also analyze the relation between foreign direct investments received by different countries and CPI, and we find a statistically significant power-law functional dependence between foreign direct investment per capita and the country corruption level measured by the CPI. We introduce a new measure to quantify the relative corruption between countries based on their respective wealth as measured by GDP per capita.
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