Use the following to answer questions:
Figure: Inflationary and Recessionary Gaps 
-(Figure: Inflationary and Recessionary Gaps) Look at the figure Inflationary and Recessionary Gaps. A movement from AD3 to AD1 could be caused by:
Definitions:
Theory Construction
The process of formulating a systematic set of principles to explain observed phenomena, often involving hypothesis development and testing.
Reinforcement Principles
Guidelines in behavioral psychology that recommend rewarding desired behaviors to increase their occurrence.
Unruly Behaviour
Conduct that is disorderly, disruptive, or not in line with established rules or norms.
Variable Manipulation
The process of altering one or more variables in an experiment to determine its effects on a dependent variable.
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