World Corruption Perception Index Analysis
Anas Al Qudah
Mounira Ben Arab
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Although corruption is measured and defined by different institutions yet there is no agreement on one perfect definition. In this study attempt to analyze the results of corruption index using the definition and the index of Transparency International and the standard deviation of the scores of its corruption perception index. The study investigates the behavior of the index over time for all countries included in the CPI for the period of 2000-2014. Using a Hierarchical Classification Method, we grouped the countries into high, medium and low corrupt countries and then we investigate the volatility of perception of corruption among the same group and the different groups. We find that countries with low and high CPI are less volatile in terms of perception of corruption while countries with medium score are relatively stable in term of perception of corruption.