Polity Country Code
Year
State Depat PTS Score
COW Civil War
COW Interstate War
Military control dummy
Polity Democracy Score
Log of population
One-period lag of State Department PTS Score
Log of GNP/capita
Democracy Trichotomy (based on Polity IV)
democ==     0.0000
democ==     1.0000
democ==     2.0000
democ==     3.0000
democ==     4.0000
democ==     5.0000
democ==     6.0000
democ==     7.0000
democ==     8.0000
democ==     9.0000
democ==    10.0000
demtri==     0.0000
demtri==     1.0000
demtri==     2.0000
Competition (Vanhanen)
Participation (Vanhanen)
Log of Gates et al modification to Vanhanen index
Dummy variable for lnvangates > 0.693
Interaction of lnvangates and van_dum