country name
log gdp per capita, PWT 6.2
log of rainfall, Mitchell et al. 2003
lcru_l squared
log investment per capita, PWT 6.2
log of net official development aid, WDI (2009)
Polity2 score, Polity IV database
civil war indicator variable, PRIO/UPSALLA
Drought Indicator, Em-DAT (2009)
indicator variable for balanced sample
indicator variable for balanced sample starting in 1960
change of the log of the commodity price index, see Bruckner (2011, JAE)
Hadi outlier (p=.05)
log of the share of oda in gdp, WDI (2009)