Country name
Country code (ISO 3166-1 alpha-3)
Calendar year
Pop-weighted regional Gini (predicted income)
National GDP per capita (2005 PPP US$)
Country total population (persons)
Natural-resource rents (% of GDP)
Arable land (share of land area)
Trade openness (exports+imports)/GDP
FDI openness: net FDI inflows / GDP
Country land area (km^2)
Gasoline pump price (2005 PPP US$/litre)
Net official development assistance (2011 US$)
Gross secondary-school enrolment (% gross)
Ethnic inequality: pop-weighted light Gini
Polity IV democracy-autocracy score (-1..+1)
Federal-state dummy (1=federal)