federalism. souce: castles (2000), constitutions .
GDP per capita (constant 2000 US$)
Electricity production from nuclear sources (% of total)
Electricity production from oil, gas and coal sources (% of total)
W (neighbors)
W (trading partners)
CO2 emissions (metric tons per capita)
CO2 intensity (kg per kg of oil equivalent energy use)
Proportional representation
GDP (constant 2000 US$)
left orientation of chief executive
right orientation of chief executive
left orientation of cabinet
right orientation of cabinet
EU candidate
EU member