This paper investigates how local jurisdictions in a federal system influence each other in the adoption of policy innovations. We look at school districts in Michigan and their participation in a public school choice program launched in 1996. Districts' participation decisions are modelled as...

Studies of spatial policy interdependence in (local) public policies usually concentrate on the relations between jurisdictions within a single analysed region, and disregard possible extra-regional effects. This paper evaluates the validity of such restriction by studying German local...