Refer to the graph below. 
Which of the shifts explains what would happen to the production possibility curve if restrictions were imposed on tuna fishing?
Definitions:
Linear Relationship
A direct correlation between two variables that can be represented with a straight line in a graph.
Coefficient Of Determination
A statistical measure represented by R² that assesses the proportion of variance in the dependent variable predictable from the independent variables.
Correlation Coefficient
A numerical indicator that determines the magnitude of the correlation between the relative fluctuations of two variables.
Regression Analysis
An approach in statistics for modeling how a dependent variable is related to one or more independent variables.
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