The Foreign Purchases Effect

question 7

Multiple Choice

The foreign purchases effect

• A)shifts the aggregate demand curve rightward.
• B)shifts the aggregate demand curve leftward.
• C)shifts the aggregate supply curve rightward.
• D)moves the economy along a fixed aggregate demand curve.

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Definitions:

Genetic Hitchhiking

Genetic hitchhiking occurs when an allele increases in frequency because it is physically linked to a positively selected allele at a nearby locus.

Molecular Phylogenetic Studies

Research that uses the molecular sequences of DNA, RNA, or proteins to infer the evolutionary relationships between different species or organisms.

Lobe-Finned Fish

A group of fish characterized by fleshy, lobed, paired fins, which are precursors of the limbs of land-living vertebrates.

Tetrapods

Land vertebrates with four limbs or leg-like appendages, including mammals, amphibians, reptiles, and birds.