Divining the level of corruption: A Bayesian state-space approach

Updated WGI methodology makes use of the strong time-dependence in corruption. * Doubles the available corruption perception estimates. * Increases the precision of the estimates. * Allows the detection of the significance of changes in the level of corruption. * More transparent and fewer ad hoc manipulations increasing the objectivity. This paper outlines a new methodological framework for combining indicators of corruption. The state-space framework extends the methodology of the Worldwide Governance Indicators (WGI) to fully make use of the time-structure present in corruption data. It is... Mehr ...