the second factor which differences class locations with the middle classes is the possession of skill and expertise. According to Wright, middle-class employees possessing skills which are in demand in the capitalist system. Given that their expertise is in short supply, they are able to earn a higher wage. The lucrative positions available to information technology specialists in the emerging knowledge economy illustrate this point. Moreover, Wright argues, because employees with knowledge and skills are more difficult to monitor and control, employers are obliged to secure their loyalty and cooperation by rewarding them accordingly