“The existing measures of [state quality or capacity] have a number of limitations. There is an inherent weakness in expert surveys, especially when trying to create time-series data. Since the concept of [good governance] is not well established, different experts may intend different things when responding to the same survey question.”
Francis Fukuyama, 2013
Worth thinking about the next time you read a report or (even worse) some article proclaiming to indicate the consensus on such issues.
Read the full paper here