Gangl, Katharina, Eva Hofmann, Manon de Groot, Gerrit Antonides, Sjoerd Goslinga, Barbara Hartl, and Erich Kirchler. 2016. “Taxpayers’ Motivations Relating to Tax Compliance: Evidence from Two Representative Samples of Austrian and Dutch Self-Employed Taxpayers”. Journal of Tax Administration 1 (2):15-25. https://jota.website/jota/article/view/145.