“…The using of the random field theory for economic research is an approach known in literature, e.g. : Arbia (1989;, Arbia & Prucha (2013), Arbia et al (2008;, Bronars & Jansen (1987), Case (1991), Case et al (1993), Christakos (2017), Conley (1999), Conley & Ligon (2002), Conley & Topa (2002), Dahl & Gonzalez-Rivera (2003a;2003b), de Luna & Genton (2004), Elhorst (2010;2012;2014), Guyon (1995), Ippoliti et al (2013), Jenish & Prucha (2009), Knopov (1999), Nummelin (2000), Quah (1993), Topa (2001), Vega & Elhorst (2014. Among Polish authors, for example, Przybycin (1992) and Zieliński (2002) should be mentioned, and the works by the author of the paper.…”