new information technologies, like computer and telecommunications networks, has affected low-skill and

high-skill workers in the U.S. economy. From the perspective of employers who demand labor, these new

technologies are often a substitute for low-skill laborers like file clerks who used to keep file cabinets full of

paper records of transactions. However, the same new technologies are a complement to high-skill workers

like managers, who benefit from the technological advances by having the ability to monitor more information,

communicate more easily, and juggle a wider array of responsibilities. How will the new technologies affect the

wages of high-skill and low-skill workers? For this question, the four-step process of analyzing how shifts in

supply or demand affect a market (introduced in Demand and Supply) works in this way:
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