Research of the mutual relation between labour, mobility, income and education. Detailed descriptions of r's school career and occupational career / kinds of work, distances to residence, taking training courses, courses organized by company, training facilities, plans to make use of training facilities, costs of courses / legal position with respect to employer / working overtime / how did respondent get his job / periods of unemployment / looking for ( other ) job or additional job, motives, efforts made / preferred number of working hours / impediments to start in a new job within a month / relation between education, skill and work / respondent's level of education compared with colleagues / expectations in respect of function of higher level / willingness to work in relation to financial necessity, willingness to have shorter working hours / occupational level of respondent's father when respondent was 12 years old / doing voluntary work / valuation of different levels of income / detailed data on components of family income. Background variables: basic characteristics/ residence/ housing situation/ household characteristics/ place of work/ occupation/employment/ income/capital assets/ education