“…Local governments have a natural tendency to cooperate with each other to overcome their weak points and deal with their insufficiency, which is usually caused by the small size of the municipality (Leemans, 1970, Rakar, Tičar, Klun, 2015. The role of cooperation of municipalities as an important development factor is confirmed by Bartholomeeussen, 2001, Žárska, 2007, Hulst and Van Montfort, 2007, Wokoun, 2008, Frick and Hokkeler, 2008, Holeček, 2009, Rose, 2010, Schulitz and Knoblauch, 2011, Klein, 2012, Nelles, 2013, Richter, 2013, Huber, 2014, Bel, Warner, 2015, Teles, 2016a, 2016b, and others.…”