EXPLAINING WARS IN THE MODERN WORLD, 1816-2001 Andreas Wimmer and Brian Min, UCLA December 2006 Variable Obs Unique Mean Min Max Label ------------------------------------------------------------------------------------------------------------ yearc 28162 27900 1760052 18162 2001920 Year-territory year 28162 186 1908.579 1816 2001 Year cowcode 28162 150 451.854 2 920 COW code for territory country 28162 150 . . . Territory name onset 28162 2 .0215894 0 1 War onset on territory war 28162 2 .076486 0 1 War on territory warname 2151 452 . . . Name of war warno 2151 477 2055.454 1 13922 War number wartype 2151 5 . . . Type of war yrbeg 2151 171 1920.172 1816 1998 Beginning year of war yrend 2151 167 1926.427 1817 2001 Ending year of war anarc 28162 2 .0148072 0 1 Anarchy dummy anarcl 28012 2 .0148151 0 1 Lagged anarchy indicator anoc 28162 2 .2750515 0 1 Anocracy dummy anocl 28012 2 .2751321 0 1 Lagged anocracy indicator area2001 27976 149 885011.8 9250 1.71e+07 Size of territory in square kilometers in 2001 asia 27790 2 .1437208 0 1 Asia region dummy autoc 28162 2 .586393 0 1 Autocracy dummy autocl 28012 2 .5886406 0 1 Lagged autocracy indicator democ 28162 2 .1234642 0 1 Democracy dummy democl 28012 2 .1211624 0 1 Lagged democracy indicator eeurop 27790 2 .1815761 0 1 Eastern Europe region dummy ethfrac 27232 81 .4175961 .001 .92 Ethnic fractionalization gdp 16972 16245 69914.24 28 7965795 GDP (million 1990 International Geary-Khamis doll... gdppc 17075 16176 2741.089 201.83 43806.46 GDP per capita gdppcl 16932 16036 2712.469 217.83 43806.46 Lagged per capita gdp implag 16045 771 83.8205 -129 753 Years to/from imperial incorporation imppower 15286 31 . . . Name of imperial power instab 28162 2 .0606846 0 1 Change in regime type in prior 2 years instabl 28012 2 .0605812 0 1 Lagged instability indicator lamerica 27790 2 .1544081 0 1 Latin America region dummy lmtnest 27232 104 2.217459 0 4.55 log (mountainous terrain) lnpop 21348 19980 8.452219 1.504077 14.05876 ln(population) lnpopl 21205 19838 8.445625 1.504077 14.04987 Lagged ln(population) milperc 22742 733 .0200949 -1 4 Deviation from 5-year MA of relevant military per... milpercl 22600 729 .0203457 -1 4 Lagged deviation from 5-year MA of relevant milit... nafrme 27790 2 .0900324 0 1 North Africa-Middle East region dummy nbcivil 28162 7 .134685 0 6 Number of neighboring civil wars nbconq 28162 6 .0574178 0 6 Number of neighboring wars of conquest nbinter 28162 11 .094205 0 10 Number of neighboring interstate wars nbnatind 28162 10 .072225 0 15 Number of neighboring civil wars of nationalist i... nbnonind 28162 4 .0252823 0 3 Number of neighboring civil wars of non-nationali... nsflag 28162 535 -16.74554 -182 352 Years to/from nation-state creation nsfyear 28162 83 1925.324 1649 1998 Year of nation-state creation ocivil 28162 2 .0067112 0 1 Onset of non-secessionist civil war oconq 28162 2 .0031603 0 1 Onset of war of conquest oil 28162 3235 3405.529 -827.5 557320 Oil production (thousand metric tons/yr) oilpc 28133 1545 .347498 -.01 202.76 Oil production per capita oilpcl 27985 1517 .3427407 -.01 202.76 Lagged oil production per capita ointer 28162 2 .0072438 0 1 Onset of inter-state war ointrap 28162 2 .0111853 0 1 Onset of intra-polity war (civil + natind + nonind) onatind 28162 2 .0034799 0 1 Onset of nationalist war of indepedence ononind 28162 2 .0009942 0 1 Onset of non-nationalist war of independence pdemnb 28162 26 .0543914 0 1 Percent of neighbors democratic pocivil 28162 2 .0192103 0 1 Prior ongoing non-secessionist civil war poconq 28162 2 .0067467 0 1 Prior ongoing war of conquest pointer 28162 2 .0127477 0 1 Prior ongoing inter-state war pointrap 28162 2 .0352958 0 1 Prior ongoing intra-polity war (civil + natind + ... poldisc 5252 251 16.28891 0 89 Political discrimination (population-weighted score) poldiscl 5139 247 16.38289 0 89 Lagged political discrimination index score ponatind 28162 2 .0138129 0 1 Prior ongoing nationalist war of indepedence pononind 28162 2 .0022726 0 1 Prior ongoing non-nationalist war of independence ponset 28162 2 .0548967 0 1 Prior ongoing war pop 21349 19983 20262.41 0 1275392 Population (thousands) relfrac 27232 55 .3757753 0 .78 Religious fractionalization ssafrica 27790 2 .2893127 0 1 Sub-Saharan Africa region dummy western 27790 2 .14095 0 1 Western region dummy ------------------------------------------------------------------------------------------------------------