“…Even though data availability on sub-national party positions increased in the last years (see e.g. Alonso, Gómez, and Cabeza 2013;Benoit, Bräuninger, and Debus 2009;Gross and Jankowski 2020) and provided scholars with the opportunity to analyse these positions comparatively (Müller 2013;Stecker 2015), only recently scholars started to carefully consider the interactions between the national and sub-national level with regard to party positions, the level of decentralization and electoral systems' incentives (see e.g. Baumann, Debus, and Klingelhöfer 2017;Cabeza, Gómez, and Alonso 2017;León 2014).…”