To improve efficiency in performance of municipal departments. Attractiveness of Amsterdam / visits to city parks and recreation areas in the surroundings of Amsterdam / listening to radio broadcast of council meeting / intention to move: preferred location and type of residence / negative aspects of Amsterdam, in particular pollution / experience of municipal sanitation department / willingness to cooperate with separation of refuse / use of washing machine, detergents / hot water supply / knowledge of consequences of high degree of hardness of water / interest in extra channels on cable television / Olympic Games in Amsterdam in 1992. Background variables: basic characteristics/ place of birth/ residence/ housing situation/ household characteristics/ income/capital assets/ consumption of durables/ readership, mass media, and 'cultural' exposure