To improve efficiency in performance of municipal departments. Making use of public transport, image of car-attendants / Olympic Games in Amsterdam in 1992 / need for information with respect to municipal institutions and regulations / negative aspects of Amsterdam, in particular pollution / experience of municipal sanitation department / willingness to cooperate with separation of refuse / contacts with general practitioner / risky habits with respect to health / opening hours of municipal institutions / evaluation of local tv network ( Channel 29 ) in particular tv programs for migrants / contacts with local residents, participation in community work / taking care of sick persons: contacts with health institutions / personal problems: advising persons and institutions. Background variables: basic characteristics/ place of birth/ residence/ household characteristics/ education