“…It has been investigated over the last few decades and is well recognized in the literature (see, e.g., Becker, 1957;Becker, 1985;Black and Brainerd, 2004). The promotion of gender equality is one of the Sustainable Development Goals (see: https://www.un.org/sustainable development/), which is why the gender gap is often analyzed in the context of sustainable development (Domańska, Żukowska & Zajkowski, 2019), for different times, countries, and regions (see, e.g., Marilyn & Olawale, 2017;Bando, 2019;Norrander, 1999), including the EU economies (Fadoš & Bohdalová, 2019;Marcu & Tănase, 2018;Dolado, García-Peñalosa & Tarasonis, 2020), and of course Poland. In Poland, the gender gap has been investigated in the context of the policymaking process (Jakubowska & Kaniasty, 2015) or the benevolence and hostility directed at men and women (Zawisza, Luyt & Zawadzka, 2012), among others.…”