A Movement Downward and to the Left Along a Supply

question 257

Multiple Choice

A movement downward and to the left along a supply curve is called

• A) an increase in supply.
• B) a decrease in supply.
• C) a decrease in quantity supplied.
• D) an increase in quantity supplied.

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Definitions:

Random Assignment

A method in experimental design where study participants are allocated to different groups on a random basis to reduce bias.

Experimental

Relating to a controlled study involving variables manipulated to determine cause-and-effect relationships.

Longitudinal

Describes research or analysis that takes place over a long period of time, observing the same subjects to detect changes or developments.

Correlation Coefficient

Any positive or negative relationship between two variables. Correlational evidence cannot prove causation, but only that two variables vary together.