-Refer to the Above Data

question 105

Multiple Choice

-Refer to the above data.If a lump-sum tax (the same tax amount at each level of GDP) of $40 is imposed in this economy,the tax system:

• A) is regressive.
• B) is proportional.
• C) is progressive.
• D) may be either proportional or progressive.

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Definitions:

Perceptual Invariance

The ability to perceive the unchanging properties of objects (shape, size, brightness, color) despite variations in the sensory input.

Absolute Threshold

The smallest amount of stimulation needed for a stimulus to be detected by the senses 50% of the time.

Just Noticeable Difference

The minimum difference in stimulation that a person can detect 50% of the time.

Absolute Threshold

The minimum intensity of a stimulus that one can detect 50% of the time, a concept central to the study of sensory processes.