Recently a wide and empirically-backed consensus has emerged arguing that direct democratic control over government's spending decisions through initiatives and referenda constrains government size. But what happens if budgetary matters are excluded from the voters' right of the initiative? I...

We test whether the proactive use of instruments of direct democracy by voters can help to explain fiscal sustainability of 25 Swiss cantons. Using data of all cantonal popular votes since 1977, our results show that the fiscal reaction of cantonal governments to an increase in the debt to GDP...