The research reported in this book aims to explain why different people get different jobs and incomes. It is an investigation into allocation mechanisms on the labor market, and an elaboration for two different labour market segments. These segments differ institutional arrangements, but can be compared in required qualifications of the personnel: the paid informal market for child minding, and the institutionalized child care centers. . ; The research reported in this book aims to explain why different people get different jobs and incomes. It is an investigation into allocation mechanisms on the labor market, and an elaboration for two different labour market segments. These segments differ institutional arrangements, but can be compared in required qualifications of the personnel: the paid informal market for child minding, and the institutionalized child care centers. . Zie: Summary