TY - JOUR T1 - Occurrence and Policy Consequences of Referendums: A Theoretical Model and Empirical Evidence AU - Hug, Simon PY - 2004 DO - 10.1177/0951629804043205 SP - 321 EP - 356 JO - Journal of Theoretical Politics VL - 16 IS - 3 SN - 0951-6298 ER -