Since labour shortages are economy-wide, not just at the lower end... I think it's almost certainly macro related. In any case, this is a good thing. When unem

Since labour shortages are economy-wide, not just at the lower end... I think it's almost certainly macro related. In any case, this is a good thing. When unemployment rates are high, the least employable people tend to be unemployed. When unemployment is low, the least attractive jobs are unfilled.