Matthew wrote last month about the February competition the U4 Anticorruption Resource Center and the United Kingdom’s Department for International Affairs sponsored to spur creation of new measures of corruption. What he did not say is that one subtext for the contest was the growing frustration with the use of Transparency International’s Corruption Perceptions Index (CPI) to measure the actual level of corruption in a country.
This is not the fault of TI. The organization is careful to say on its web site that its index does not measure the actual extent of corruption and goes to great lengths to explain how the index is constructed, stressing that it is a ranking of how corrupt countries are perceived to be using the opinions of business people and country experts. Indeed the title selected, “Corruption Perceptions Index,” couldn’t be any clearer about what is being measured. But journalists and academics frequently treat the index as if it measured actual corruption, rather than perceived corruption, or assume that perceptions match reality fairly closely. And that’s where problems may arise. Continue reading