Aggregate Governance Indicators. Aart Kraay The World Bank Presentation at World Bank Conference “The Empirics of Governance” May 1-2 2008. Why Aggregate Indicators?. synthesize information about governance from a diversity of viewpoints
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The World Bank
Presentation at World Bank Conference
“The Empirics of Governance”
May 1-2 2008
they can (almost) always be disaggregated!
Indicator = Signal + Noise
y1=g+e1 y2=g+e2 y3=g+e3
Good Governance Data Sources
Control of Corruption
Selected Countries, 2006
Margins of Error
DISCLAIMER: The data and research reported here do not reflect the official views of the World Bank, its Executive Directors, or the countries they represent. The WGI are not used by the World Bank Group to allocate resources or for any other official purpose.
Source for data: 'Governance Matters VI: Governance Indicators for 1996-2006’, by D. Kaufmann, A. Kraay and M. Mastruzzi, June 2007, www.govindicators.org. Colors are assigned according to the following criteria: Dark Red: country is in the bottom 10th percentile rank (‘governance crisis’); Light Red: between 10th and 25th percentile rank; Orange: between 25th and 50th percentile rank; Yellow, between 50th and 75th; Light Green between 75th and 90th percentile rank; and Dark Green: between 90th and 100th percentile (exemplary governance). Estimates subject to margins of error.
Δy(j) = Δ(y(j)-average) + Δaverage
are minor compared to difference between having data and not having it at all