To improve efficiency in performance of municipal departments. Intention to move: preferred location and type of residence / sources of income, standing charges / experience with municipal sanitation department / willingness to cooperate with separation of refuse / evaluation of local tv network "Channel 29" and Filmnet / experience with crime and vandalism, need for extra police / contacts with general practitioner, medical complaints, in particular allergies / cockroaches in residence / image of the Amsterdam city centre, visits to city centre: destinations. Background variables: basic characteristics/ place of birth/ residence/ housing situation/ household characteristics/ income/capital assets/ education/ readership, mass media, and 'cultural' exposure