In several dozen journal reviews and in many other comments we have received—from, for example, four Nobel laureates, the statistician Dennis Lindley (2012), the statistician Arnold Zellner (2004), the mathematician Olle Häggström (2010), the sociologist Steve Fuller (2008), and the...

Econometricians have been claiming proudly since World War II that significance testing is the empirical side of economics. In fact today most young economists think that the word “empirical” simply means “collect enough data to do a significance test”. Tjalling Koopmans’s influential...