1. Bachtrögler, J., Badinger, H., Fichet de Clairfontaine, A., Reuter, W. H. (2014). Summarizing Data using Partially Ordered Set Theory: An Application to Fiscal Frameworks in 97 Countries, Department of Economics Working Paper Series, 181, WU Vienna University of Economics and Business.
2. Badinger, H. & Reuter, W. H. (2015). Measurement of Fiscal Rules: Introducing the Application of Partially Ordered Set (POSET) Theory. Journal of Macroeconomics, 43, 108–123.
3. VV.AA. (2014). Le Competenze economico-finanziarie degli Italiani, Rome: Bancaria.
4. Bruggemann, R., Schwaiger, J., Negele, R. D. (1995). Applying Hasse diagram technique for the evaluation of toxicological fish tests. Chemosphere, 30(9), 1767–1780.
5. Bruggemann, R., Carlsen, L., Wittmann, J. (Eds.). (2014). Multi-Indicator Systems and Modelling in Partial Order. New York: Springer-Verlag.