During the ceremonial doctoral and habilitation promotion at the Poznań University of Economics and Business, Dr. Dominik Filipiak received a Ph.D. diploma in economics. His doctoral thesis entitled “Exploring features of paintings for modelling preferences of buyers on the Polish art market” was defended with distinction on October 17, 2022. Thesis supervisor: Prof. Witold Abramowicz, auxiliary supervisor: Prof. Agata Filipowska.