The Short-Run Aggregate Supply Curve Would Shift and the Long-Run

question 271

Multiple Choice

The short-run aggregate supply curve would shift and the long-run aggregate supply curve would remain fixed if

• A)transportation workers went on strike for a month.
• B)there was an increase in immigration.
• C)the retirement age increased by two years.
• D)tough new environmental laws were passed.

---

Definitions:

Internal Validity

The degree to which a study or experiment accurately establishes a cause-effect relationship without the influence of external factors.

External Validity

The extent to which the results of a study can be generalized to other situations, people, settings, and times.

Experimental Design

The planning of an experiment to ensure that it can test hypotheses effectively and produce valid and reliable results.

Attrition

The loss of participants during the course of a study, which can potentially bias the results.