Wage Dispersion and Efficiency. It is often assumed that markets generate efficient allocations, but these are not necessarily fair. The widening of wage differentials that is currently observed is interpreted in this manner: Skill-biased technological progress increases demand for skilled work...

The influence of farming collectives on income per annual work unit (AWU) is investigated by means of regressions for three types of farms with animal husbandry. The effects are relatively small, and turn out differently for the three farm types. Whereas the effect is negative for the dairy...