Lesson 1
What is econometrics?
Big question
How can we use data to answer economic questions?
Lesson progress
Complete checkpoints as you learn
Learning objectives
- Explain what is econometrics? in plain language.
- Use econometrics correctly in an interpretation.
- Connect the lesson idea to a formula, graph, Python result, or real example.
Simple explanation
Econometrics combines economic reasoning, statistical methods, and real data. It helps us estimate relationships, test ideas, and communicate evidence with clear limits.
Key terms
- Econometrics
- The use of data and statistical methods to study economic relationships.
- Economic question
- A question about choices, markets, policy, firms, workers, or outcomes.
- Estimate
- A value calculated from data to learn about an unknown relationship.
- Interpretation
- Explaining what a result means in plain language.
Core idea
Example
An econometric question might ask whether workers with more education tend to earn higher wages after accounting for experience.
Checkpoint activity
Pause and explain this lesson's main idea in your own words before moving forward.
Try it yourself
Write one plain-English sentence explaining the main idea from this lesson.
Common mistakes
Check these before you move on.
A regression coefficient describes a pattern unless the assumptions or research design support a causal interpretation.
Quick quiz
What does econometrics add to economic reasoning?
Key takeaway
Econometrics is about turning economic questions into careful evidence.