“…;Pollitt, 2005;Schmidt, 1990;Thoenig, 2005;Wollmann, 2008), as well as our own research on decentralization impacts from cross-country comparative and policy-specific perspectives (e.g. Bogumil and Kuhlmann, 2010;Ebinger et al, 2010;Grohs et al, 2012;Kuhlmann, 2008aKuhlmann, , 2008bKuhlmann, , 2009aKuhlmann, , 2009bKuhlmann, , 2009cKuhlmann, , 2010aKuhlmann, , 2010bKuhlmann, , 2010cKuhlmann, , 2011Ongaro et al, 2010;Reiter et al, 2010;Richter and Kuhlmann, 2010;Wayenberg, 2006), we find evidence containing partly theoretical and partly empirical merits to support both positive and negative effects of decentralization. Taking the dimension of effectiveness as an example, on the one hand, improvements can be expected due to more citizen proximity and increased know-how regarding local needs, service targets and citizen preferences (Mill, 1991(Mill, [1835; Oates, 1972).…”