Social Sciences and History / Unit 13 SSH 1201 short lesson, about 20 seconds
Scarcity and the Division of Labor
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The idea
Economics studies how humans choose under scarcity, when wants for goods and services exceed the available supply. A modern economy shows division of labor: people specialize and buy the rest. Specialization raises output for three reasons: natural advantage and skill, learning and invention, and economies of scale.
In practice
Specialization needs markets.
Where people slip
Economies of scale: average cost falls as output grows.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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