Microecon chapter 2 Flashcards
Normative statement
What ought to be
Positive statement
What actually is, was or will be
Where economists work (5)
- Government
- Private businesses
- Crown corporation
- Non-profit org
- Post-secondary school
Theory
abstraction of reality
Theory consists of… (3)
- Variables
- Assumptions
- Predictions
Endogenous variable
Dependent, can be explained within a theory
Exogenous variable
Independent, outside a theory
The variables that interest economists are generally influenced by…
Forces that vary simultaneously
Positive correlation
X and Y move in the same direction
Negative correlation
X and Y move in opposite direction
Is correlation a direct evidence of causal relation ship?
No
Randomized controlled trials (RCT) approach
Helps determine underlying causality among economic variables
Value of a base period
100
CPI formula
(Absolute value in given period / Absolute value in base period) x 100
Basic forms of single economic variable (2)
- Cross-sectional data
- Time-series data