Investigation into the allocation mechanisms on the labour market and elaboration for two different labour market segments: the paid informal market for child minding and the institutionalized child care centres. P1160A: attitudes towards child rearing ( children 0 - 4 years ) and baby sitting / preferred characteristics of baby-sitters ( child-mender ) / level of payment / tasks of baby-sitter / selection procedure / data on former baby-sitter / contacts with baby-sitter. P1160B: background data on the child care centre / financial data / preferred characteristics of child menders / payment of personnel / training / personnel structure / vacancies / changes in selection criteria / relation child menders and assistants / changes in personnel during last two years / attitudes regarding volunteers / trainees / degree of professionalism. P1160C: background data on staff members of the institutions in file P1160B: position / age / sex / education / experience / length of employment there / number of working hours per week / payment. Background variables: basic characteristics/ residence/ household characteristics/ occupation/employment/ income/capital assets/ education