For Economists,substitutes for Laboratory Experiments Often Come in the Form

question 207

Multiple Choice

For economists,substitutes for laboratory experiments often come in the form of

• A)natural experiments offered by history.
• B)untested theories.
• C)"rules of thumb" and other such conveniences.
• D)reliance upon the wisdom of elders in the economics profession.

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Definitions:

Bloodstream

The network of blood vessels through which blood circulates in the body.

Secreted

The process by which substances are produced and discharged from a cell, gland, or organ for a particular function in the organism or for excretion.

Parasympathetic Nervous System

A branch of the autonomic nervous system responsible for conservation of body's energy and restoring the body to a state of calm.

Somatic Nervous System

A part of the peripheral nervous system associated with the voluntary control of body movements through the action of skeletal muscles.