“CPI doesn’t actually claim to measure corruption at all; it measures perceptions of corruption. Enter the Corruption Perception Index (CPI). Developed by Transparency International, the CPI ranks countries based on perceived levels of corruption. Nonetheless, the Transparency International Corruption Perception Index remains a generally accepted measure of the phenomenon, or at least, our perception of it. Fear and Loathing of the Corruption Perception Index: Does Transparency International Penalize Press Freedom?.
Source: The Star July 15, 2021 13:30 UTC