If There Are No Externalities, a Competitive Market Achieves Economic

question 89

Multiple Choice

If there are no externalities, a competitive market achieves economic efficiency.If there is a negative externality, economic efficiency will not be achieved because

• A)too little of the good will be produced.
• B)too much of the good will be produced.
• C)a deadweight loss will occur that is equal to the area under the demand curve for the good.
• D)economic surplus is maximised.

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Definitions:

Seafloor Spreading

A geological process in which new oceanic crust is formed at mid-ocean ridges and slowly moves away from the ridge.

Continental Hot Spot

A volcanic region thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle, found in the interior of continental plates.

Yellowstone National Park

A national park primarily located in Wyoming, USA, known for its wildlife and its many geothermal features, especially Old Faithful geyser.

Afar Region

A geologically active area located in the Horn of Africa, known for its unique geological features including the Afar Triangle and part of the Great Rift Valley.