How do political parties with different policy-making interests and veto power respond to international terrorism—can coalition parties and bicameral legislatures overcome their policy-making tensions and form a unified front for adopting counterterrorist measures? This study examines...

Missing or incomplete data on actors’ positions can cause significant problems in political analysis. Research on missing values suggests the use of multiple imputation methods rather than case deletion, but few studies have yet considered the non-ignorable problem - positions that are...