“…According to that model (Piore, 1979;Spener, 1988), in the primary sector of the economy, school attainment is rewarded with higher remuneration and greater job stability. In the secondary sector, which includes mostly blue-collar and unskilled jobs, school attainment does not correlate with wage or job security, although an identifiable vocation is likely to be the category in which one seeks work.…”