Kaufmann, Daniel; Kraay, Aart; Mastruzzi, Massimo - 2010
Thomas (2009) dismisses the Worldwide Governance Indicators (WGI) as an 'elaborate and unsupported hypothesis' because of the failure to demonstrate the 'construct validity' of these indicators. We argue that 'construct validity' is not a useful tool to assess the merits of the WGI, and even if...