overlooks the fact that general training raises the wages that could be received elsewhere while (completely) specific training does not, so a comparison with alternative wages gives a misleading impression of the absolute effect on wages of different types of training. Moreover, firms are not too concerned about the turnover of employees with general training and have no incentive to offer them a premium above wage elsewhere because the cost of such training is borne entirely by employees. Firms are concerned about the turnover of employees with specific training, and a premium is offered to reduce their turnover because firms pay part of their training costs. The part of specific training paid by employees has effects similar