Constant Returns to Scale Occur When

question 143

Multiple Choice

Constant returns to scale occur when

• A)the marginal cost curve lies below the average cost curve.
• B)the marginal cost curve is increasing at a decreasing rate.
• C)an increase in all resources results in exactly proportionate increases in output.
• D)the long-run average cost curve is declining.
• E)an increase in all resources causes no change in output.

---

Definitions:

Recent African Origins Hypothesis

An evolutionary theory suggesting that modern humans evolved in Africa relatively recently and share a common ancestry.

Eve Hypothesis

A scientific theory suggesting that all modern humans have descended from a common maternal ancestor, dubbed "Mitochondrial Eve," who lived in Africa.

Out of Africa Hypothesis

A scientific theory proposing that all modern humans originated from a common ancestry in Africa before migrating to other parts of the world.

Denisovans

An extinct species or subspecies of archaic humans in the genus Homo, known from DNA evidence and a few fossil remnants found in Siberia.