in the canonical model is essentially static. This essay sketches an alternative model of the assignment of skills to … tasks based upon comparative advantage, reviews key conceptual and practical challenges that researchers face in bringing … skills, the assignment of skills to tasks, and the evolution of wages. -- skill demands ; technological change ; job tasks …

A central organizing framework of the voluminous recent literature studying changes in the returns to skills and the … supply and demand for skills by assuming two distinct skill groups that perform two different and imperfectly substitutable … economies are shaped by the interactions among worker skills, job tasks, evolving technologies, and shifting trading …

.g., medical care to doctors, document production to lawyers, software coding to computer engineers, and undergraduate education to …