The GIGO theory first found currency as computers started to do (at least some of) our thinking for us.
If you input useless or irrelevant data it will be processed systematically and consistently, but the output will be just as useless or irrelevant.
This article caught our eye today. Public procurement policy is, in common with many aspects of EU activity heavily influenced by the statistics which each Member State files with the Commission on an annual basis.
If Member States, the Commission and even Eurostat are not properly implementing ESS standards, how reliable are those statistics?