Thinking Like An Economist Flashcards
10 principles of econ: how people make decisions (1-4)
1) people face trade-offs
2) cost of something is what you give up to get it
3) rational people think at the margins
4) people respond to incentives
What are the 3 sections of the 10 principles of economics
How people make decisions
How people interact
How economy as a while works
10 principles of econ: how people interact (5-7)
5) trade can make everyone better off
6) markers are usually a good way to organise economic activity
7) govs can sometimes improve market outcomes
10 principles of econ: how economy as a whole works
8) country’s s.o.l depends on its ability to produce G+S
9) prices increase when gov prints too much money (MV=PT)
10) society faces short run trade off between inflation and unemployment
Endogenous variable
Variable whose value is determined within the model (Qd)
Exogenous variable
Variable whose value is determined outside the model (P)
Price is not dependent on Qd
Circular flow diagram
Visual model of economy- shows how money and production inputs and outputs flow through markets among households and firms
Why do economists disagree
Diff in scientific judgements- validity of theories/ size of important parameters
Diff in values- equity
Perception vs reality
Economists as decision makes- CB analysis