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In page Political corruption:

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  • Lack of measurement of corruption. For example, using regular surveys of households and businesses in order to quantify the degree of perception of corruption in different parts of a nation or in different government institutions may increase awareness of corruption and create pressure to combat it. This will also enable an evaluation of the officials who are fighting corruption and the methods used.
  • Tax havens which tax their own citizens and companies but not those from other nations and refuse to disclose information necessary for foreign taxation. This enables large-scale political corruption in the foreign nations.[4][citation needed]