Determining the relation between regional differences of participation in education and regional developments on the labour market and regional differences in social inequality. P0794a: Statistics on 12 provinces in 23 different years ( 1956- 1978 ) counts on different kinds of schools, training facilities, numbers of students and teaching staff. P0794b: 1968 until 1978 supply and demand on the labour market: quality and quantity / regional economic growth levels of income and social development / income differences.