Summary of Basic Economic Principles

Economics is considered a social science, utilizing the scientific method in its analysis.
Importance of hypothesis: In the scientific method, you generate a hypothesis, which is a working theory regarding how the world functions.
Example:
- Hypothesis: "If John increases his calories, then he will gain weight."
- Testing the hypothesis involves evaluating whether other variables also change (e.g., exercise).
Ceteris Paribus:
- Definition: A critical assumption in economics meaning "all else being constant" or "other things held constant".
- Importance: When conducting economic analysis, it allows for isolating the effect of one variable.
Steps to follow in the scientific method:
1. Make your assumptions clear, particularly the ceteris paribus assumption.
2. State your hypothesis clearly so everyone understands.
3. Test the theory against real-world evidence or through experimentation.

Positive Economics:
- Definition: Refers to factual statements that can be tested and validated for their truth.
- Example: "It is raining today." This can be verified or falsified through observation.
Normative Economics:
- Definition: Involves value judgments and opinions that reflect beliefs about what ought to be.
- Example: "It ought to rain every day." This cannot be proven as true or false and is subjective.
Comparison between positive and normative statements:
- Positive statements focus on what is, while normative statements focus on what should be.
- Personal values influence normative statements, leading to disagreements based on differing value systems.

Emphasis on clarity in assumptions and hypotheses is crucial for effective economic analysis.
Recognition of the distinction between positive and normative economics helps in understanding economic discourse.