Many scholars have convincingly shown that policies diffuse between national and sub-national entities for several different reasons. Although diffusion processes are empirically proven, we witness two shortcomings in the discussion: First, there is a lack of comparative research across policy...

This article is about diffusion processes behind the innovation of sub-national energy policy measures in a federal system. Typically for the federal political system in Switzerland, the elements of the energy policy field are shaped by the principle of subsidiarity. The aim is that cantons...