District identifier
Country identifier
Calendar year
Treatment level (0-3)
Mining active (1=yes)
Mineral price index
Constraints on the executive (1-6)
Quality of government
GDP per capita
Elevation (m)
Temperature (°C)
Terrain ruggedness
Distance to capital (m)
Agricultural suitability
Population
Ethnic fractionalization
Log nighttime lights (outcome)
Conflict incidence (1=yes)