Both demographic shifts and technological progress, for example, could favour the well-educated over the less-skilled, causing a much greater concentration of economic resources.
And women are much safer (and therefore more skilled) drivers, causing fewer accidents and being more likely to survive a serious crash.
Some 40% of Anglo's businesses are in South Africa, where shortages of electricity, water and skilled workers cause headaches.
Every attempt to rationalise children's heart surgery by closing units to ensure the surgeons in those that remain treat enough children to stay highly skilled, has caused a huge outcry, beginning with the hospital management and consultants and spreading to families and local politicians.
This group's greater difficulty entering the labor market is likely due to both the decreased demand for low-skilled workers caused by the recession and an increase in the share of non-native Spanish speakers and women among more recent immigrant flows.
Construction costs are rising, in large part from a shortage of skilled labor that is causing construction delays.
However, it is the lower end of the spectrum of skilled jobs that is causing social and economic tension.
The median age of the German population is also expected to rise steadily, causing a skilled-labor shortage and rising social-security and health-care costs.
The conventional wisdom is that joblessness has grown since the early 1980's because the demand for less-skilled workers has dropped, causing their pay to fall.
Findings reveal that graduate migrants believe Polish higher education failed to equip them with essential workplace skills needed to gain skilled employment in the European Union, causing them to settle for low-paid and unskilled work in UK.
Two decades of double-digit growth in pay for skilled labor have caused wages to rise and have chipped away at India's competitive advantage.
