Continuous items for most waves watching tv / reading papers / taking part in discussions on political issues / political knowledge / political participation / party preference / questions concerning importance of different political issues / left and right in politics. Wave 14a: Heating of house / attitude to oil crisis / which source best for energy creation / preferred versus expected developments in next 10 years in energy / preferences for political parties by choices from diads. Background variables: basic characteristics/ residence/ household characteristics/ occupation/employment/ income/capital assets/ politics/ religion/ organizational membership