Advancing a more detailed version of the dual economy approach first put forward by Robert Averits in 1968, Piore and Doeringer also argued that the labor market was divided into a primary and secondary market. Jobs in primary markets were distinguished by sophisticated technologies, skilled and semi-skilled labor, high wages, good working conditions, chances for advancement, employment stability, fairness, and due process in the administration of work rules. On the other hand, jobs in the secondary markets were subject to external competitive pressures; lacked technological sophistication; were performed by unskilled labor; and featured low wages, little or no fringe benefits, high labor turnover, absenteeism and tardiness, higher levels of petty theft, little chance of advancement, and typically autocratic and capricious supervisors.
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