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quarta-feira, outubro 17, 2007

Um paper interessante do Stanley e colaboradores

Enquanto espero aqui em Congonhas meu vôo para Floripa, registro aqui um paper interessante.


Influence of corruption on economic growth rate and foreign investments
Authors: Boris Podobnik, Jia Shao, Djuro Njavro, Plamen Ch. Ivanov, H. Eugene Stanley
(Submitted on 10 Oct 2007)

Abstract: 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 $\Delta$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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