Use the Following to Answer Questions

question 18

Multiple Choice

Use the following to answer questions:
Figure: Price Ceilings and Random Allocation
-(Figure: Price Ceilings and Random Allocation) Refer to the figure. When a controlled price is imposed and the quantity of goods is allocated randomly between the highest valued uses and lowest valued uses, total consumer surplus under random allocation is represented by area:

• A) A.
• B) B.
• C) C.
• D) D.

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Definitions:

Density-Dependent Factor

An environmental factor whose effects on a population change as population density changes; tends to retard population growth as population density increases and enhance population growth as population density decreases. Compare with density-independent factor.

Negative Feedback

A regulatory mechanism in which a stimulus causes an opposite output in order to maintain an ideal level of whatever is being regulated.

Type-II Survivorship

A survivorship curve in which individuals are equally likely to die at any age, representing a relatively constant mortality rate throughout the organism's life.

Exponential Growth

Growth that occurs at a rate that becomes ever more rapid in proportion to the growing total number or size.