This volume contains an Open Access chapter. We have witnessed an avalanche of quantitative public measures over the past decades. Research in the social sciences has shown that rankings in particular are now a driving force of social change - both, desired and undesired - in many areas of...

This paper explores the KiwiSaver information contained in two sources: the administrative data from the Inland Revenue Department (IRD) and the Survey of Family, Income and Employment (SoFIE). In particular, the paper explores the membership and contribution information, explaining significant...