“…The literature has recorded the shift from a collaborative federalism (Bickerton, 2010 ; Simmons & Graefe, 2013 ) to a confrontational one. This trend, present in some countries, is due to internal asymmetries between the central and regional governments, the impulse of demands from ethnic or social minorities (Zuber, 2011 ), the strengthening of local cultures in plurinational states (Rius-Ulldemolins & Zamorano, 2015 ), political or partisan competition between governments (Bulman-Pozen, 2014 ; Trejo & Ley, 2016 ) and greater social diversity, in general (Bakke & Wibbels, 2006 ). Although it is not impossible to build collaborative mechanisms in such circumstances (Morris & Miller-Stevens, 2015 ), the complexity of addressing and managing wicked public problems increases significantly, which also contributes to conflict, fragmentation, and polarization.…”