객관식
Which of the following is NOT true about economic models?
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0. Basic Principles of Economics
Positive and Normative Analysis
객관식
In the context of positive analysis, what does it mean to say that two variables are positively associated?
A
As one variable increases, the other variable also increases.
B
The variables have no relationship with each other.
C
As one variable increases, the other variable decreases.
D
Both variables remain constant regardless of changes in either.
검증된 단계별 안내1
Understand that positive analysis in economics deals with objective and testable statements about how the world works, focusing on cause-and-effect relationships without value judgments.
Recognize that when two variables are said to be positively associated, it means there is a relationship where changes in one variable correspond to changes in the other variable in the same direction.
Formally, if variable X increases and variable Y also increases, or if X decreases and Y also decreases, then X and Y are positively associated.
This positive association can be represented mathematically by a positive correlation coefficient or a positive slope in a linear relationship between the two variables.
Therefore, the statement 'As one variable increases, the other variable also increases' correctly describes a positive association between two variables in positive analysis.
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