An Economist's Use of Experiments and Real-World Data to Test

question 22

Multiple Choice

An economist's use of experiments and real-world data to test a theory is an example of

• A) the scientific method in economics.
• B) macroeconomics.
• C) economic growth.
• D) normative analysis.
• E) comparative advantage.

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Definitions:

Diametral Pitches

Diametral pitches refer to the number of teeth per inch of the diameter of a gear, which determines the size of the teeth and the pitch of the gear.

Ratchet Wheel

A wheel or gear with teeth cut in a way that allows motion in one direction only, often used in mechanisms requiring incremental movement.

Pawl

A mechanical component that engages with another component to prevent motion in one direction, or to drive a mechanism intermittently.

Center

The point that is equally distant from all points on the circumference of a circle or the surface of a sphere; in geometry, it's the midpoint of any shape or object.